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2659 lines
80 KiB
2659 lines
80 KiB
/* Riot v4.13.1, @license MIT */
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(global = global || self, factory(global.riot = {}));
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}(this, (function (exports) { 'use strict';
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/**
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* Convert a string from camel case to dash-case
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* @param {string} string - probably a component tag name
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* @returns {string} component name normalized
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*/
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function camelToDashCase(string) {
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return string.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
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}
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/**
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* Convert a string containing dashes to camel case
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* @param {string} string - input string
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* @returns {string} my-string -> myString
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*/
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function dashToCamelCase(string) {
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return string.replace(/-(\w)/g, (_, c) => c.toUpperCase());
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}
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/**
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* Get all the element attributes as object
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* @param {HTMLElement} element - DOM node we want to parse
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* @returns {Object} all the attributes found as a key value pairs
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*/
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function DOMattributesToObject(element) {
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return Array.from(element.attributes).reduce((acc, attribute) => {
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acc[dashToCamelCase(attribute.name)] = attribute.value;
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return acc;
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}, {});
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}
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/**
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* Move all the child nodes from a source tag to another
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* @param {HTMLElement} source - source node
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* @param {HTMLElement} target - target node
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* @returns {undefined} it's a void method ¯\_(ツ)_/¯
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*/
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// Ignore this helper because it's needed only for svg tags
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function moveChildren(source, target) {
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if (source.firstChild) {
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target.appendChild(source.firstChild);
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moveChildren(source, target);
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}
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}
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/**
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* Remove the child nodes from any DOM node
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* @param {HTMLElement} node - target node
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* @returns {undefined}
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*/
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function cleanNode(node) {
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clearChildren(node.childNodes);
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}
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/**
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* Clear multiple children in a node
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* @param {HTMLElement[]} children - direct children nodes
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* @returns {undefined}
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*/
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function clearChildren(children) {
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Array.from(children).forEach(removeNode);
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}
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/**
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* Remove a node from the DOM
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* @param {HTMLElement} node - target node
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* @returns {undefined}
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*/
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function removeNode(node) {
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const {
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parentNode
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} = node;
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if (node.remove) node.remove();
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/* istanbul ignore else */
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else if (parentNode) parentNode.removeChild(node);
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}
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const EACH = 0;
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const IF = 1;
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const SIMPLE = 2;
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const TAG = 3;
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const SLOT = 4;
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var bindingTypes = {
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EACH,
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IF,
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SIMPLE,
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TAG,
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SLOT
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};
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const ATTRIBUTE = 0;
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const EVENT = 1;
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const TEXT = 2;
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const VALUE = 3;
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var expressionTypes = {
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ATTRIBUTE,
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EVENT,
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TEXT,
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VALUE
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};
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/**
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* Create the template meta object in case of <template> fragments
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* @param {TemplateChunk} componentTemplate - template chunk object
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* @returns {Object} the meta property that will be passed to the mount function of the TemplateChunk
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*/
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function createTemplateMeta(componentTemplate) {
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const fragment = componentTemplate.dom.cloneNode(true);
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return {
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avoidDOMInjection: true,
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fragment,
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children: Array.from(fragment.childNodes)
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};
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}
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const {
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indexOf,
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slice
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} = [];
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const append = (get, parent, children, start, end, before) => {
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const isSelect = ('selectedIndex' in parent);
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let noSelection = isSelect;
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while (start < end) {
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const child = get(children[start], 1);
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parent.insertBefore(child, before);
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if (isSelect && noSelection && child.selected) {
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noSelection = !noSelection;
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let {
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selectedIndex
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} = parent;
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parent.selectedIndex = selectedIndex < 0 ? start : indexOf.call(parent.querySelectorAll('option'), child);
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}
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start++;
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}
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};
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const eqeq = (a, b) => a == b;
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const identity = O => O;
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const indexOf$1 = (moreNodes, moreStart, moreEnd, lessNodes, lessStart, lessEnd, compare) => {
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const length = lessEnd - lessStart;
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/* istanbul ignore if */
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if (length < 1) return -1;
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while (moreEnd - moreStart >= length) {
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let m = moreStart;
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let l = lessStart;
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while (m < moreEnd && l < lessEnd && compare(moreNodes[m], lessNodes[l])) {
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m++;
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l++;
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}
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if (l === lessEnd) return moreStart;
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moreStart = m + 1;
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}
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return -1;
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};
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const isReversed = (futureNodes, futureEnd, currentNodes, currentStart, currentEnd, compare) => {
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while (currentStart < currentEnd && compare(currentNodes[currentStart], futureNodes[futureEnd - 1])) {
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currentStart++;
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futureEnd--;
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}
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return futureEnd === 0;
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};
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const next = (get, list, i, length, before) => i < length ? get(list[i], 0) : 0 < i ? get(list[i - 1], -0).nextSibling : before;
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const remove = (get, children, start, end) => {
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while (start < end) drop(get(children[start++], -1));
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}; // - - - - - - - - - - - - - - - - - - -
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// diff related constants and utilities
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// - - - - - - - - - - - - - - - - - - -
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const DELETION = -1;
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const INSERTION = 1;
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const SKIP = 0;
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const SKIP_OND = 50;
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const HS = (futureNodes, futureStart, futureEnd, futureChanges, currentNodes, currentStart, currentEnd, currentChanges) => {
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let k = 0;
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/* istanbul ignore next */
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let minLen = futureChanges < currentChanges ? futureChanges : currentChanges;
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const link = Array(minLen++);
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const tresh = Array(minLen);
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tresh[0] = -1;
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for (let i = 1; i < minLen; i++) tresh[i] = currentEnd;
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const nodes = currentNodes.slice(currentStart, currentEnd);
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for (let i = futureStart; i < futureEnd; i++) {
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const index = nodes.indexOf(futureNodes[i]);
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if (-1 < index) {
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const idxInOld = index + currentStart;
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k = findK(tresh, minLen, idxInOld);
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/* istanbul ignore else */
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if (-1 < k) {
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tresh[k] = idxInOld;
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link[k] = {
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newi: i,
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oldi: idxInOld,
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prev: link[k - 1]
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};
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}
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}
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}
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k = --minLen;
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--currentEnd;
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while (tresh[k] > currentEnd) --k;
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minLen = currentChanges + futureChanges - k;
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const diff = Array(minLen);
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let ptr = link[k];
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--futureEnd;
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while (ptr) {
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const {
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newi,
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oldi
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} = ptr;
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while (futureEnd > newi) {
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diff[--minLen] = INSERTION;
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--futureEnd;
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}
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while (currentEnd > oldi) {
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diff[--minLen] = DELETION;
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--currentEnd;
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}
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diff[--minLen] = SKIP;
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--futureEnd;
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--currentEnd;
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ptr = ptr.prev;
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}
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while (futureEnd >= futureStart) {
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diff[--minLen] = INSERTION;
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--futureEnd;
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}
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while (currentEnd >= currentStart) {
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diff[--minLen] = DELETION;
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--currentEnd;
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}
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return diff;
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}; // this is pretty much the same petit-dom code without the delete map part
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// https://github.com/yelouafi/petit-dom/blob/bd6f5c919b5ae5297be01612c524c40be45f14a7/src/vdom.js#L556-L561
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const OND = (futureNodes, futureStart, rows, currentNodes, currentStart, cols, compare) => {
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const length = rows + cols;
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const v = [];
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let d, k, r, c, pv, cv, pd;
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outer: for (d = 0; d <= length; d++) {
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/* istanbul ignore if */
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if (d > SKIP_OND) return null;
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pd = d - 1;
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/* istanbul ignore next */
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pv = d ? v[d - 1] : [0, 0];
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cv = v[d] = [];
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for (k = -d; k <= d; k += 2) {
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if (k === -d || k !== d && pv[pd + k - 1] < pv[pd + k + 1]) {
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c = pv[pd + k + 1];
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} else {
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c = pv[pd + k - 1] + 1;
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}
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r = c - k;
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while (c < cols && r < rows && compare(currentNodes[currentStart + c], futureNodes[futureStart + r])) {
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c++;
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r++;
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}
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if (c === cols && r === rows) {
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break outer;
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}
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cv[d + k] = c;
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}
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}
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const diff = Array(d / 2 + length / 2);
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let diffIdx = diff.length - 1;
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for (d = v.length - 1; d >= 0; d--) {
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while (c > 0 && r > 0 && compare(currentNodes[currentStart + c - 1], futureNodes[futureStart + r - 1])) {
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// diagonal edge = equality
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diff[diffIdx--] = SKIP;
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c--;
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r--;
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}
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if (!d) break;
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pd = d - 1;
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/* istanbul ignore next */
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pv = d ? v[d - 1] : [0, 0];
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k = c - r;
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if (k === -d || k !== d && pv[pd + k - 1] < pv[pd + k + 1]) {
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// vertical edge = insertion
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r--;
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diff[diffIdx--] = INSERTION;
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} else {
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// horizontal edge = deletion
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c--;
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diff[diffIdx--] = DELETION;
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}
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}
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return diff;
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};
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const applyDiff = (diff, get, parentNode, futureNodes, futureStart, currentNodes, currentStart, currentLength, before) => {
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const live = [];
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const length = diff.length;
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let currentIndex = currentStart;
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let i = 0;
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while (i < length) {
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switch (diff[i++]) {
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case SKIP:
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futureStart++;
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currentIndex++;
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break;
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case INSERTION:
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// TODO: bulk appends for sequential nodes
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live.push(futureNodes[futureStart]);
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append(get, parentNode, futureNodes, futureStart++, futureStart, currentIndex < currentLength ? get(currentNodes[currentIndex], 0) : before);
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break;
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case DELETION:
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currentIndex++;
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break;
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}
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}
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i = 0;
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while (i < length) {
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switch (diff[i++]) {
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case SKIP:
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currentStart++;
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break;
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case DELETION:
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// TODO: bulk removes for sequential nodes
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if (-1 < live.indexOf(currentNodes[currentStart])) currentStart++;else remove(get, currentNodes, currentStart++, currentStart);
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break;
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}
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}
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};
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const findK = (ktr, length, j) => {
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let lo = 1;
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let hi = length;
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while (lo < hi) {
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const mid = (lo + hi) / 2 >>> 0;
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if (j < ktr[mid]) hi = mid;else lo = mid + 1;
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}
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return lo;
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};
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const smartDiff = (get, parentNode, futureNodes, futureStart, futureEnd, futureChanges, currentNodes, currentStart, currentEnd, currentChanges, currentLength, compare, before) => {
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applyDiff(OND(futureNodes, futureStart, futureChanges, currentNodes, currentStart, currentChanges, compare) || HS(futureNodes, futureStart, futureEnd, futureChanges, currentNodes, currentStart, currentEnd, currentChanges), get, parentNode, futureNodes, futureStart, currentNodes, currentStart, currentLength, before);
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};
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const drop = node => (node.remove || dropChild).call(node);
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function dropChild() {
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const {
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parentNode
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} = this;
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/* istanbul ignore else */
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if (parentNode) parentNode.removeChild(this);
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}
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/*! (c) 2018 Andrea Giammarchi (ISC) */
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const domdiff = (parentNode, // where changes happen
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currentNodes, // Array of current items/nodes
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futureNodes, // Array of future items/nodes
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options // optional object with one of the following properties
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// before: domNode
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// compare(generic, generic) => true if same generic
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// node(generic) => Node
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) => {
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if (!options) options = {};
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const compare = options.compare || eqeq;
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const get = options.node || identity;
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const before = options.before == null ? null : get(options.before, 0);
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const currentLength = currentNodes.length;
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let currentEnd = currentLength;
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let currentStart = 0;
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let futureEnd = futureNodes.length;
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let futureStart = 0; // common prefix
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while (currentStart < currentEnd && futureStart < futureEnd && compare(currentNodes[currentStart], futureNodes[futureStart])) {
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currentStart++;
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futureStart++;
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} // common suffix
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while (currentStart < currentEnd && futureStart < futureEnd && compare(currentNodes[currentEnd - 1], futureNodes[futureEnd - 1])) {
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currentEnd--;
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futureEnd--;
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}
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const currentSame = currentStart === currentEnd;
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const futureSame = futureStart === futureEnd; // same list
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if (currentSame && futureSame) return futureNodes; // only stuff to add
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if (currentSame && futureStart < futureEnd) {
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append(get, parentNode, futureNodes, futureStart, futureEnd, next(get, currentNodes, currentStart, currentLength, before));
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return futureNodes;
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} // only stuff to remove
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if (futureSame && currentStart < currentEnd) {
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remove(get, currentNodes, currentStart, currentEnd);
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return futureNodes;
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}
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const currentChanges = currentEnd - currentStart;
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const futureChanges = futureEnd - futureStart;
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let i = -1; // 2 simple indels: the shortest sequence is a subsequence of the longest
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if (currentChanges < futureChanges) {
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i = indexOf$1(futureNodes, futureStart, futureEnd, currentNodes, currentStart, currentEnd, compare); // inner diff
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if (-1 < i) {
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append(get, parentNode, futureNodes, futureStart, i, get(currentNodes[currentStart], 0));
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append(get, parentNode, futureNodes, i + currentChanges, futureEnd, next(get, currentNodes, currentEnd, currentLength, before));
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return futureNodes;
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}
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}
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/* istanbul ignore else */
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else if (futureChanges < currentChanges) {
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i = indexOf$1(currentNodes, currentStart, currentEnd, futureNodes, futureStart, futureEnd, compare); // outer diff
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if (-1 < i) {
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remove(get, currentNodes, currentStart, i);
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remove(get, currentNodes, i + futureChanges, currentEnd);
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return futureNodes;
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}
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} // common case with one replacement for many nodes
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// or many nodes replaced for a single one
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/* istanbul ignore else */
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|
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if (currentChanges < 2 || futureChanges < 2) {
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append(get, parentNode, futureNodes, futureStart, futureEnd, get(currentNodes[currentStart], 0));
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remove(get, currentNodes, currentStart, currentEnd);
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return futureNodes;
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} // the half match diff part has been skipped in petit-dom
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// https://github.com/yelouafi/petit-dom/blob/bd6f5c919b5ae5297be01612c524c40be45f14a7/src/vdom.js#L391-L397
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// accordingly, I think it's safe to skip in here too
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// if one day it'll come out like the speediest thing ever to do
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// then I might add it in here too
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// Extra: before going too fancy, what about reversed lists ?
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// This should bail out pretty quickly if that's not the case.
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|
|
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if (currentChanges === futureChanges && isReversed(futureNodes, futureEnd, currentNodes, currentStart, currentEnd, compare)) {
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append(get, parentNode, futureNodes, futureStart, futureEnd, next(get, currentNodes, currentEnd, currentLength, before));
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return futureNodes;
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} // last resort through a smart diff
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smartDiff(get, parentNode, futureNodes, futureStart, futureEnd, futureChanges, currentNodes, currentStart, currentEnd, currentChanges, currentLength, compare, before);
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return futureNodes;
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};
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|
/**
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|
* Quick type checking
|
|
* @param {*} element - anything
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|
* @param {string} type - type definition
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|
* @returns {boolean} true if the type corresponds
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*/
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|
function checkType(element, type) {
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return typeof element === type;
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}
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|
/**
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|
* Check if an element is part of an svg
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|
* @param {HTMLElement} el - element to check
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|
* @returns {boolean} true if we are in an svg context
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*/
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function isSvg(el) {
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const owner = el.ownerSVGElement;
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return !!owner || owner === null;
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}
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|
/**
|
|
* Check if an element is a template tag
|
|
* @param {HTMLElement} el - element to check
|
|
* @returns {boolean} true if it's a <template>
|
|
*/
|
|
|
|
function isTemplate(el) {
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|
return !isNil(el.content);
|
|
}
|
|
/**
|
|
* Check that will be passed if its argument is a function
|
|
* @param {*} value - value to check
|
|
* @returns {boolean} - true if the value is a function
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|
*/
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|
|
|
function isFunction(value) {
|
|
return checkType(value, 'function');
|
|
}
|
|
/**
|
|
* Check if a value is a Boolean
|
|
* @param {*} value - anything
|
|
* @returns {boolean} true only for the value is a boolean
|
|
*/
|
|
|
|
function isBoolean(value) {
|
|
return checkType(value, 'boolean');
|
|
}
|
|
/**
|
|
* Check if a value is an Object
|
|
* @param {*} value - anything
|
|
* @returns {boolean} true only for the value is an object
|
|
*/
|
|
|
|
function isObject(value) {
|
|
return !isNil(value) && checkType(value, 'object');
|
|
}
|
|
/**
|
|
* Check if a value is null or undefined
|
|
* @param {*} value - anything
|
|
* @returns {boolean} true only for the 'undefined' and 'null' types
|
|
*/
|
|
|
|
function isNil(value) {
|
|
return value === null || value === undefined;
|
|
}
|
|
|
|
const UNMOUNT_SCOPE = Symbol('unmount');
|
|
const EachBinding = Object.seal({
|
|
// dynamic binding properties
|
|
// childrenMap: null,
|
|
// node: null,
|
|
// root: null,
|
|
// condition: null,
|
|
// evaluate: null,
|
|
// template: null,
|
|
// isTemplateTag: false,
|
|
nodes: [],
|
|
|
|
// getKey: null,
|
|
// indexName: null,
|
|
// itemName: null,
|
|
// afterPlaceholder: null,
|
|
// placeholder: null,
|
|
// API methods
|
|
mount(scope, parentScope) {
|
|
return this.update(scope, parentScope);
|
|
},
|
|
|
|
update(scope, parentScope) {
|
|
const {
|
|
placeholder,
|
|
nodes,
|
|
childrenMap
|
|
} = this;
|
|
const collection = scope === UNMOUNT_SCOPE ? null : this.evaluate(scope);
|
|
const items = collection ? Array.from(collection) : [];
|
|
const parent = placeholder.parentNode; // prepare the diffing
|
|
|
|
const {
|
|
newChildrenMap,
|
|
batches,
|
|
futureNodes
|
|
} = createPatch(items, scope, parentScope, this); // patch the DOM only if there are new nodes
|
|
|
|
domdiff(parent, nodes, futureNodes, {
|
|
before: placeholder,
|
|
node: patch(Array.from(childrenMap.values()), parentScope)
|
|
}); // trigger the mounts and the updates
|
|
|
|
batches.forEach(fn => fn()); // update the children map
|
|
|
|
this.childrenMap = newChildrenMap;
|
|
this.nodes = futureNodes;
|
|
return this;
|
|
},
|
|
|
|
unmount(scope, parentScope) {
|
|
this.update(UNMOUNT_SCOPE, parentScope);
|
|
return this;
|
|
}
|
|
|
|
});
|
|
/**
|
|
* Patch the DOM while diffing
|
|
* @param {TemplateChunk[]} redundant - redundant tepmplate chunks
|
|
* @param {*} parentScope - scope of the parent template
|
|
* @returns {Function} patch function used by domdiff
|
|
*/
|
|
|
|
function patch(redundant, parentScope) {
|
|
return (item, info) => {
|
|
if (info < 0) {
|
|
const element = redundant.pop();
|
|
|
|
if (element) {
|
|
const {
|
|
template,
|
|
context
|
|
} = element; // notice that we pass null as last argument because
|
|
// the root node and its children will be removed by domdiff
|
|
|
|
template.unmount(context, parentScope, null);
|
|
}
|
|
}
|
|
|
|
return item;
|
|
};
|
|
}
|
|
/**
|
|
* Check whether a template must be filtered from a loop
|
|
* @param {Function} condition - filter function
|
|
* @param {Object} context - argument passed to the filter function
|
|
* @returns {boolean} true if this item should be skipped
|
|
*/
|
|
|
|
|
|
function mustFilterItem(condition, context) {
|
|
return condition ? Boolean(condition(context)) === false : false;
|
|
}
|
|
/**
|
|
* Extend the scope of the looped template
|
|
* @param {Object} scope - current template scope
|
|
* @param {string} options.itemName - key to identify the looped item in the new context
|
|
* @param {string} options.indexName - key to identify the index of the looped item
|
|
* @param {number} options.index - current index
|
|
* @param {*} options.item - collection item looped
|
|
* @returns {Object} enhanced scope object
|
|
*/
|
|
|
|
|
|
function extendScope(scope, _ref) {
|
|
let {
|
|
itemName,
|
|
indexName,
|
|
index,
|
|
item
|
|
} = _ref;
|
|
scope[itemName] = item;
|
|
if (indexName) scope[indexName] = index;
|
|
return scope;
|
|
}
|
|
/**
|
|
* Loop the current template items
|
|
* @param {Array} items - expression collection value
|
|
* @param {*} scope - template scope
|
|
* @param {*} parentScope - scope of the parent template
|
|
* @param {EeachBinding} binding - each binding object instance
|
|
* @returns {Object} data
|
|
* @returns {Map} data.newChildrenMap - a Map containing the new children template structure
|
|
* @returns {Array} data.batches - array containing the template lifecycle functions to trigger
|
|
* @returns {Array} data.futureNodes - array containing the nodes we need to diff
|
|
*/
|
|
|
|
|
|
function createPatch(items, scope, parentScope, binding) {
|
|
const {
|
|
condition,
|
|
template,
|
|
childrenMap,
|
|
itemName,
|
|
getKey,
|
|
indexName,
|
|
root,
|
|
isTemplateTag
|
|
} = binding;
|
|
const newChildrenMap = new Map();
|
|
const batches = [];
|
|
const futureNodes = [];
|
|
items.forEach((item, index) => {
|
|
const context = extendScope(Object.create(scope), {
|
|
itemName,
|
|
indexName,
|
|
index,
|
|
item
|
|
});
|
|
const key = getKey ? getKey(context) : index;
|
|
const oldItem = childrenMap.get(key);
|
|
|
|
if (mustFilterItem(condition, context)) {
|
|
return;
|
|
}
|
|
|
|
const componentTemplate = oldItem ? oldItem.template : template.clone();
|
|
const el = oldItem ? componentTemplate.el : root.cloneNode();
|
|
const mustMount = !oldItem;
|
|
const meta = isTemplateTag && mustMount ? createTemplateMeta(componentTemplate) : {};
|
|
|
|
if (mustMount) {
|
|
batches.push(() => componentTemplate.mount(el, context, parentScope, meta));
|
|
} else {
|
|
batches.push(() => componentTemplate.update(context, parentScope));
|
|
} // create the collection of nodes to update or to add
|
|
// in case of template tags we need to add all its children nodes
|
|
|
|
|
|
if (isTemplateTag) {
|
|
const children = meta.children || componentTemplate.children;
|
|
futureNodes.push(...children);
|
|
} else {
|
|
futureNodes.push(el);
|
|
} // delete the old item from the children map
|
|
|
|
|
|
childrenMap.delete(key); // update the children map
|
|
|
|
newChildrenMap.set(key, {
|
|
template: componentTemplate,
|
|
context,
|
|
index
|
|
});
|
|
});
|
|
return {
|
|
newChildrenMap,
|
|
batches,
|
|
futureNodes
|
|
};
|
|
}
|
|
|
|
function create(node, _ref2) {
|
|
let {
|
|
evaluate,
|
|
condition,
|
|
itemName,
|
|
indexName,
|
|
getKey,
|
|
template
|
|
} = _ref2;
|
|
const placeholder = document.createTextNode('');
|
|
const parent = node.parentNode;
|
|
const root = node.cloneNode();
|
|
parent.insertBefore(placeholder, node);
|
|
removeNode(node);
|
|
return Object.assign({}, EachBinding, {
|
|
childrenMap: new Map(),
|
|
node,
|
|
root,
|
|
condition,
|
|
evaluate,
|
|
isTemplateTag: isTemplate(root),
|
|
template: template.createDOM(node),
|
|
getKey,
|
|
indexName,
|
|
itemName,
|
|
placeholder
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Binding responsible for the `if` directive
|
|
*/
|
|
|
|
const IfBinding = Object.seal({
|
|
// dynamic binding properties
|
|
// node: null,
|
|
// evaluate: null,
|
|
// isTemplateTag: false,
|
|
// placeholder: null,
|
|
// template: null,
|
|
// API methods
|
|
mount(scope, parentScope) {
|
|
return this.update(scope, parentScope);
|
|
},
|
|
|
|
update(scope, parentScope) {
|
|
const value = !!this.evaluate(scope);
|
|
const mustMount = !this.value && value;
|
|
const mustUnmount = this.value && !value;
|
|
|
|
const mount = () => {
|
|
const pristine = this.node.cloneNode();
|
|
this.placeholder.parentNode.insertBefore(pristine, this.placeholder);
|
|
this.template = this.template.clone();
|
|
this.template.mount(pristine, scope, parentScope);
|
|
};
|
|
|
|
switch (true) {
|
|
case mustMount:
|
|
mount();
|
|
break;
|
|
|
|
case mustUnmount:
|
|
this.unmount(scope);
|
|
break;
|
|
|
|
default:
|
|
if (value) this.template.update(scope, parentScope);
|
|
}
|
|
|
|
this.value = value;
|
|
return this;
|
|
},
|
|
|
|
unmount(scope, parentScope) {
|
|
this.template.unmount(scope, parentScope, true);
|
|
return this;
|
|
}
|
|
|
|
});
|
|
function create$1(node, _ref) {
|
|
let {
|
|
evaluate,
|
|
template
|
|
} = _ref;
|
|
const parent = node.parentNode;
|
|
const placeholder = document.createTextNode('');
|
|
parent.insertBefore(placeholder, node);
|
|
removeNode(node);
|
|
return Object.assign({}, IfBinding, {
|
|
node,
|
|
evaluate,
|
|
placeholder,
|
|
template: template.createDOM(node)
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Throw an error with a descriptive message
|
|
* @param { string } message - error message
|
|
* @returns { undefined } hoppla.. at this point the program should stop working
|
|
*/
|
|
|
|
function panic(message) {
|
|
throw new Error(message);
|
|
}
|
|
/**
|
|
* Returns the memoized (cached) function.
|
|
* // borrowed from https://www.30secondsofcode.org/js/s/memoize
|
|
* @param {Function} fn - function to memoize
|
|
* @returns {Function} memoize function
|
|
*/
|
|
|
|
function memoize(fn) {
|
|
const cache = new Map();
|
|
|
|
const cached = val => {
|
|
return cache.has(val) ? cache.get(val) : cache.set(val, fn.call(this, val)) && cache.get(val);
|
|
};
|
|
|
|
cached.cache = cache;
|
|
return cached;
|
|
}
|
|
/**
|
|
* Evaluate a list of attribute expressions
|
|
* @param {Array} attributes - attribute expressions generated by the riot compiler
|
|
* @returns {Object} key value pairs with the result of the computation
|
|
*/
|
|
|
|
function evaluateAttributeExpressions(attributes) {
|
|
return attributes.reduce((acc, attribute) => {
|
|
const {
|
|
value,
|
|
type
|
|
} = attribute;
|
|
|
|
switch (true) {
|
|
// spread attribute
|
|
case !attribute.name && type === ATTRIBUTE:
|
|
return Object.assign({}, acc, value);
|
|
// value attribute
|
|
|
|
case type === VALUE:
|
|
acc.value = attribute.value;
|
|
break;
|
|
// normal attributes
|
|
|
|
default:
|
|
acc[dashToCamelCase(attribute.name)] = attribute.value;
|
|
}
|
|
|
|
return acc;
|
|
}, {});
|
|
}
|
|
|
|
const REMOVE_ATTRIBUTE = 'removeAttribute';
|
|
const SET_ATTIBUTE = 'setAttribute';
|
|
const ElementProto = typeof Element === 'undefined' ? {} : Element.prototype;
|
|
const isNativeHtmlProperty = memoize(name => ElementProto.hasOwnProperty(name)); // eslint-disable-line
|
|
|
|
/**
|
|
* Add all the attributes provided
|
|
* @param {HTMLElement} node - target node
|
|
* @param {Object} attributes - object containing the attributes names and values
|
|
* @returns {undefined} sorry it's a void function :(
|
|
*/
|
|
|
|
function setAllAttributes(node, attributes) {
|
|
Object.entries(attributes).forEach((_ref) => {
|
|
let [name, value] = _ref;
|
|
return attributeExpression(node, {
|
|
name
|
|
}, value);
|
|
});
|
|
}
|
|
/**
|
|
* Remove all the attributes provided
|
|
* @param {HTMLElement} node - target node
|
|
* @param {Object} newAttributes - object containing all the new attribute names
|
|
* @param {Object} oldAttributes - object containing all the old attribute names
|
|
* @returns {undefined} sorry it's a void function :(
|
|
*/
|
|
|
|
|
|
function removeAllAttributes(node, newAttributes, oldAttributes) {
|
|
const newKeys = newAttributes ? Object.keys(newAttributes) : [];
|
|
Object.keys(oldAttributes).filter(name => !newKeys.includes(name)).forEach(attribute => node.removeAttribute(attribute));
|
|
}
|
|
/**
|
|
* This methods handles the DOM attributes updates
|
|
* @param {HTMLElement} node - target node
|
|
* @param {Object} expression - expression object
|
|
* @param {string} expression.name - attribute name
|
|
* @param {*} value - new expression value
|
|
* @param {*} oldValue - the old expression cached value
|
|
* @returns {undefined}
|
|
*/
|
|
|
|
|
|
function attributeExpression(node, _ref2, value, oldValue) {
|
|
let {
|
|
name
|
|
} = _ref2;
|
|
|
|
// is it a spread operator? {...attributes}
|
|
if (!name) {
|
|
if (oldValue) {
|
|
// remove all the old attributes
|
|
removeAllAttributes(node, value, oldValue);
|
|
} // is the value still truthy?
|
|
|
|
|
|
if (value) {
|
|
setAllAttributes(node, value);
|
|
}
|
|
|
|
return;
|
|
} // handle boolean attributes
|
|
|
|
|
|
if (!isNativeHtmlProperty(name) && (isBoolean(value) || isObject(value) || isFunction(value))) {
|
|
node[name] = value;
|
|
}
|
|
|
|
node[getMethod(value)](name, normalizeValue(name, value));
|
|
}
|
|
/**
|
|
* Get the attribute modifier method
|
|
* @param {*} value - if truthy we return `setAttribute` othewise `removeAttribute`
|
|
* @returns {string} the node attribute modifier method name
|
|
*/
|
|
|
|
function getMethod(value) {
|
|
return isNil(value) || value === false || value === '' || isObject(value) || isFunction(value) ? REMOVE_ATTRIBUTE : SET_ATTIBUTE;
|
|
}
|
|
/**
|
|
* Get the value as string
|
|
* @param {string} name - attribute name
|
|
* @param {*} value - user input value
|
|
* @returns {string} input value as string
|
|
*/
|
|
|
|
|
|
function normalizeValue(name, value) {
|
|
// be sure that expressions like selected={ true } will be always rendered as selected='selected'
|
|
if (value === true) return name;
|
|
return value;
|
|
}
|
|
|
|
const RE_EVENTS_PREFIX = /^on/;
|
|
|
|
const getCallbackAndOptions = value => Array.isArray(value) ? value : [value, false]; // see also https://medium.com/@WebReflection/dom-handleevent-a-cross-platform-standard-since-year-2000-5bf17287fd38
|
|
|
|
|
|
const EventListener = {
|
|
handleEvent(event) {
|
|
this[event.type](event);
|
|
}
|
|
|
|
};
|
|
const ListenersWeakMap = new WeakMap();
|
|
|
|
const createListener = node => {
|
|
const listener = Object.create(EventListener);
|
|
ListenersWeakMap.set(node, listener);
|
|
return listener;
|
|
};
|
|
/**
|
|
* Set a new event listener
|
|
* @param {HTMLElement} node - target node
|
|
* @param {Object} expression - expression object
|
|
* @param {string} expression.name - event name
|
|
* @param {*} value - new expression value
|
|
* @returns {value} the callback just received
|
|
*/
|
|
|
|
|
|
function eventExpression(node, _ref, value) {
|
|
let {
|
|
name
|
|
} = _ref;
|
|
const normalizedEventName = name.replace(RE_EVENTS_PREFIX, '');
|
|
const eventListener = ListenersWeakMap.get(node) || createListener(node);
|
|
const [callback, options] = getCallbackAndOptions(value);
|
|
const handler = eventListener[normalizedEventName];
|
|
const mustRemoveEvent = handler && !callback;
|
|
const mustAddEvent = callback && !handler;
|
|
|
|
if (mustRemoveEvent) {
|
|
node.removeEventListener(normalizedEventName, eventListener);
|
|
}
|
|
|
|
if (mustAddEvent) {
|
|
node.addEventListener(normalizedEventName, eventListener, options);
|
|
}
|
|
|
|
eventListener[normalizedEventName] = callback;
|
|
}
|
|
|
|
/**
|
|
* Normalize the user value in order to render a empty string in case of falsy values
|
|
* @param {*} value - user input value
|
|
* @returns {string} hopefully a string
|
|
*/
|
|
|
|
function normalizeStringValue(value) {
|
|
return isNil(value) ? '' : value;
|
|
}
|
|
|
|
/**
|
|
* Get the the target text node to update or create one from of a comment node
|
|
* @param {HTMLElement} node - any html element containing childNodes
|
|
* @param {number} childNodeIndex - index of the text node in the childNodes list
|
|
* @returns {HTMLTextNode} the text node to update
|
|
*/
|
|
|
|
const getTextNode = (node, childNodeIndex) => {
|
|
const target = node.childNodes[childNodeIndex];
|
|
|
|
if (target.nodeType === Node.COMMENT_NODE) {
|
|
const textNode = document.createTextNode('');
|
|
node.replaceChild(textNode, target);
|
|
return textNode;
|
|
}
|
|
|
|
return target;
|
|
};
|
|
/**
|
|
* This methods handles a simple text expression update
|
|
* @param {HTMLElement} node - target node
|
|
* @param {Object} data - expression object
|
|
* @param {*} value - new expression value
|
|
* @returns {undefined}
|
|
*/
|
|
|
|
function textExpression(node, data, value) {
|
|
node.data = normalizeStringValue(value);
|
|
}
|
|
|
|
/**
|
|
* This methods handles the input fileds value updates
|
|
* @param {HTMLElement} node - target node
|
|
* @param {Object} expression - expression object
|
|
* @param {*} value - new expression value
|
|
* @returns {undefined}
|
|
*/
|
|
|
|
function valueExpression(node, expression, value) {
|
|
node.value = normalizeStringValue(value);
|
|
}
|
|
|
|
var expressions = {
|
|
[ATTRIBUTE]: attributeExpression,
|
|
[EVENT]: eventExpression,
|
|
[TEXT]: textExpression,
|
|
[VALUE]: valueExpression
|
|
};
|
|
|
|
const Expression = Object.seal({
|
|
// Static props
|
|
// node: null,
|
|
// value: null,
|
|
// API methods
|
|
|
|
/**
|
|
* Mount the expression evaluating its initial value
|
|
* @param {*} scope - argument passed to the expression to evaluate its current values
|
|
* @returns {Expression} self
|
|
*/
|
|
mount(scope) {
|
|
// hopefully a pure function
|
|
this.value = this.evaluate(scope); // IO() DOM updates
|
|
|
|
apply(this, this.value);
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Update the expression if its value changed
|
|
* @param {*} scope - argument passed to the expression to evaluate its current values
|
|
* @returns {Expression} self
|
|
*/
|
|
update(scope) {
|
|
// pure function
|
|
const value = this.evaluate(scope);
|
|
|
|
if (this.value !== value) {
|
|
// IO() DOM updates
|
|
apply(this, value);
|
|
this.value = value;
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Expression teardown method
|
|
* @returns {Expression} self
|
|
*/
|
|
unmount() {
|
|
// unmount only the event handling expressions
|
|
if (this.type === EVENT) apply(this, null);
|
|
return this;
|
|
}
|
|
|
|
});
|
|
/**
|
|
* IO() function to handle the DOM updates
|
|
* @param {Expression} expression - expression object
|
|
* @param {*} value - current expression value
|
|
* @returns {undefined}
|
|
*/
|
|
|
|
function apply(expression, value) {
|
|
return expressions[expression.type](expression.node, expression, value, expression.value);
|
|
}
|
|
|
|
function create$2(node, data) {
|
|
return Object.assign({}, Expression, data, {
|
|
node: data.type === TEXT ? getTextNode(node, data.childNodeIndex) : node
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Create a flat object having as keys a list of methods that if dispatched will propagate
|
|
* on the whole collection
|
|
* @param {Array} collection - collection to iterate
|
|
* @param {Array<string>} methods - methods to execute on each item of the collection
|
|
* @param {*} context - context returned by the new methods created
|
|
* @returns {Object} a new object to simplify the the nested methods dispatching
|
|
*/
|
|
function flattenCollectionMethods(collection, methods, context) {
|
|
return methods.reduce((acc, method) => {
|
|
return Object.assign({}, acc, {
|
|
[method]: scope => {
|
|
return collection.map(item => item[method](scope)) && context;
|
|
}
|
|
});
|
|
}, {});
|
|
}
|
|
|
|
function create$3(node, _ref) {
|
|
let {
|
|
expressions
|
|
} = _ref;
|
|
return Object.assign({}, flattenCollectionMethods(expressions.map(expression => create$2(node, expression)), ['mount', 'update', 'unmount']));
|
|
}
|
|
|
|
// Riot.js constants that can be used accross more modules
|
|
const COMPONENTS_IMPLEMENTATION_MAP = new Map(),
|
|
DOM_COMPONENT_INSTANCE_PROPERTY = Symbol('riot-component'),
|
|
PLUGINS_SET = new Set(),
|
|
IS_DIRECTIVE = 'is',
|
|
VALUE_ATTRIBUTE = 'value',
|
|
MOUNT_METHOD_KEY = 'mount',
|
|
UPDATE_METHOD_KEY = 'update',
|
|
UNMOUNT_METHOD_KEY = 'unmount',
|
|
SHOULD_UPDATE_KEY = 'shouldUpdate',
|
|
ON_BEFORE_MOUNT_KEY = 'onBeforeMount',
|
|
ON_MOUNTED_KEY = 'onMounted',
|
|
ON_BEFORE_UPDATE_KEY = 'onBeforeUpdate',
|
|
ON_UPDATED_KEY = 'onUpdated',
|
|
ON_BEFORE_UNMOUNT_KEY = 'onBeforeUnmount',
|
|
ON_UNMOUNTED_KEY = 'onUnmounted',
|
|
PROPS_KEY = 'props',
|
|
STATE_KEY = 'state',
|
|
SLOTS_KEY = 'slots',
|
|
ROOT_KEY = 'root',
|
|
IS_PURE_SYMBOL = Symbol.for('pure'),
|
|
PARENT_KEY_SYMBOL = Symbol('parent'),
|
|
ATTRIBUTES_KEY_SYMBOL = Symbol('attributes'),
|
|
TEMPLATE_KEY_SYMBOL = Symbol('template');
|
|
|
|
var globals = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
COMPONENTS_IMPLEMENTATION_MAP: COMPONENTS_IMPLEMENTATION_MAP,
|
|
DOM_COMPONENT_INSTANCE_PROPERTY: DOM_COMPONENT_INSTANCE_PROPERTY,
|
|
PLUGINS_SET: PLUGINS_SET,
|
|
IS_DIRECTIVE: IS_DIRECTIVE,
|
|
VALUE_ATTRIBUTE: VALUE_ATTRIBUTE,
|
|
MOUNT_METHOD_KEY: MOUNT_METHOD_KEY,
|
|
UPDATE_METHOD_KEY: UPDATE_METHOD_KEY,
|
|
UNMOUNT_METHOD_KEY: UNMOUNT_METHOD_KEY,
|
|
SHOULD_UPDATE_KEY: SHOULD_UPDATE_KEY,
|
|
ON_BEFORE_MOUNT_KEY: ON_BEFORE_MOUNT_KEY,
|
|
ON_MOUNTED_KEY: ON_MOUNTED_KEY,
|
|
ON_BEFORE_UPDATE_KEY: ON_BEFORE_UPDATE_KEY,
|
|
ON_UPDATED_KEY: ON_UPDATED_KEY,
|
|
ON_BEFORE_UNMOUNT_KEY: ON_BEFORE_UNMOUNT_KEY,
|
|
ON_UNMOUNTED_KEY: ON_UNMOUNTED_KEY,
|
|
PROPS_KEY: PROPS_KEY,
|
|
STATE_KEY: STATE_KEY,
|
|
SLOTS_KEY: SLOTS_KEY,
|
|
ROOT_KEY: ROOT_KEY,
|
|
IS_PURE_SYMBOL: IS_PURE_SYMBOL,
|
|
PARENT_KEY_SYMBOL: PARENT_KEY_SYMBOL,
|
|
ATTRIBUTES_KEY_SYMBOL: ATTRIBUTES_KEY_SYMBOL,
|
|
TEMPLATE_KEY_SYMBOL: TEMPLATE_KEY_SYMBOL
|
|
});
|
|
|
|
function extendParentScope(attributes, scope, parentScope) {
|
|
if (!attributes || !attributes.length) return parentScope;
|
|
const expressions = attributes.map(attr => Object.assign({}, attr, {
|
|
value: attr.evaluate(scope)
|
|
}));
|
|
return Object.assign(Object.create(parentScope || null), evaluateAttributeExpressions(expressions));
|
|
} // this function is only meant to fix an edge case
|
|
// https://github.com/riot/riot/issues/2842
|
|
|
|
|
|
const getRealParent = (scope, parentScope) => parentScope ? parentScope === scope ? scope[PARENT_KEY_SYMBOL] : parentScope : undefined;
|
|
|
|
const SlotBinding = Object.seal({
|
|
// dynamic binding properties
|
|
// node: null,
|
|
// name: null,
|
|
attributes: [],
|
|
|
|
// template: null,
|
|
getTemplateScope(scope, parentScope) {
|
|
return extendParentScope(this.attributes, scope, parentScope);
|
|
},
|
|
|
|
// API methods
|
|
mount(scope, parentScope) {
|
|
const templateData = scope.slots ? scope.slots.find((_ref) => {
|
|
let {
|
|
id
|
|
} = _ref;
|
|
return id === this.name;
|
|
}) : false;
|
|
const {
|
|
parentNode
|
|
} = this.node;
|
|
const realParent = getRealParent(scope, parentScope);
|
|
this.template = templateData && create$6(templateData.html, templateData.bindings).createDOM(parentNode);
|
|
|
|
if (this.template) {
|
|
this.template.mount(this.node, this.getTemplateScope(scope, realParent), realParent);
|
|
this.template.children = moveSlotInnerContent(this.node);
|
|
}
|
|
|
|
removeNode(this.node);
|
|
return this;
|
|
},
|
|
|
|
update(scope, parentScope) {
|
|
if (this.template) {
|
|
const realParent = getRealParent(scope, parentScope);
|
|
this.template.update(this.getTemplateScope(scope, realParent), realParent);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
unmount(scope, parentScope, mustRemoveRoot) {
|
|
if (this.template) {
|
|
this.template.unmount(this.getTemplateScope(scope, parentScope), null, mustRemoveRoot);
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
});
|
|
/**
|
|
* Move the inner content of the slots outside of them
|
|
* @param {HTMLNode} slot - slot node
|
|
* @param {HTMLElement} children - array to fill with the child nodes detected
|
|
* @returns {HTMLElement[]} list of the node moved
|
|
*/
|
|
|
|
function moveSlotInnerContent(slot, children) {
|
|
if (children === void 0) {
|
|
children = [];
|
|
}
|
|
|
|
const child = slot.firstChild;
|
|
|
|
if (child) {
|
|
slot.parentNode.insertBefore(child, slot);
|
|
return [child, ...moveSlotInnerContent(slot)];
|
|
}
|
|
|
|
return children;
|
|
}
|
|
/**
|
|
* Create a single slot binding
|
|
* @param {HTMLElement} node - slot node
|
|
* @param {string} options.name - slot id
|
|
* @returns {Object} Slot binding object
|
|
*/
|
|
|
|
|
|
function createSlot(node, _ref2) {
|
|
let {
|
|
name,
|
|
attributes
|
|
} = _ref2;
|
|
return Object.assign({}, SlotBinding, {
|
|
attributes,
|
|
node,
|
|
name
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Create a new tag object if it was registered before, otherwise fallback to the simple
|
|
* template chunk
|
|
* @param {Function} component - component factory function
|
|
* @param {Array<Object>} slots - array containing the slots markup
|
|
* @param {Array} attributes - dynamic attributes that will be received by the tag element
|
|
* @returns {TagImplementation|TemplateChunk} a tag implementation or a template chunk as fallback
|
|
*/
|
|
|
|
function getTag(component, slots, attributes) {
|
|
if (slots === void 0) {
|
|
slots = [];
|
|
}
|
|
|
|
if (attributes === void 0) {
|
|
attributes = [];
|
|
}
|
|
|
|
// if this tag was registered before we will return its implementation
|
|
if (component) {
|
|
return component({
|
|
slots,
|
|
attributes
|
|
});
|
|
} // otherwise we return a template chunk
|
|
|
|
|
|
return create$6(slotsToMarkup(slots), [...slotBindings(slots), {
|
|
// the attributes should be registered as binding
|
|
// if we fallback to a normal template chunk
|
|
expressions: attributes.map(attr => {
|
|
return Object.assign({
|
|
type: ATTRIBUTE
|
|
}, attr);
|
|
})
|
|
}]);
|
|
}
|
|
/**
|
|
* Merge all the slots bindings into a single array
|
|
* @param {Array<Object>} slots - slots collection
|
|
* @returns {Array<Bindings>} flatten bindings array
|
|
*/
|
|
|
|
|
|
function slotBindings(slots) {
|
|
return slots.reduce((acc, _ref) => {
|
|
let {
|
|
bindings
|
|
} = _ref;
|
|
return acc.concat(bindings);
|
|
}, []);
|
|
}
|
|
/**
|
|
* Merge all the slots together in a single markup string
|
|
* @param {Array<Object>} slots - slots collection
|
|
* @returns {string} markup of all the slots in a single string
|
|
*/
|
|
|
|
|
|
function slotsToMarkup(slots) {
|
|
return slots.reduce((acc, slot) => {
|
|
return acc + slot.html;
|
|
}, '');
|
|
}
|
|
|
|
const TagBinding = Object.seal({
|
|
// dynamic binding properties
|
|
// node: null,
|
|
// evaluate: null,
|
|
// name: null,
|
|
// slots: null,
|
|
// tag: null,
|
|
// attributes: null,
|
|
// getComponent: null,
|
|
mount(scope) {
|
|
return this.update(scope);
|
|
},
|
|
|
|
update(scope, parentScope) {
|
|
const name = this.evaluate(scope); // simple update
|
|
|
|
if (name === this.name) {
|
|
this.tag.update(scope);
|
|
} else {
|
|
// unmount the old tag if it exists
|
|
this.unmount(scope, parentScope, true); // mount the new tag
|
|
|
|
this.name = name;
|
|
this.tag = getTag(this.getComponent(name), this.slots, this.attributes);
|
|
this.tag.mount(this.node, scope);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
unmount(scope, parentScope, keepRootTag) {
|
|
if (this.tag) {
|
|
// keep the root tag
|
|
this.tag.unmount(keepRootTag);
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
});
|
|
function create$4(node, _ref2) {
|
|
let {
|
|
evaluate,
|
|
getComponent,
|
|
slots,
|
|
attributes
|
|
} = _ref2;
|
|
return Object.assign({}, TagBinding, {
|
|
node,
|
|
evaluate,
|
|
slots,
|
|
attributes,
|
|
getComponent
|
|
});
|
|
}
|
|
|
|
var bindings = {
|
|
[IF]: create$1,
|
|
[SIMPLE]: create$3,
|
|
[EACH]: create,
|
|
[TAG]: create$4,
|
|
[SLOT]: createSlot
|
|
};
|
|
|
|
/**
|
|
* Text expressions in a template tag will get childNodeIndex value normalized
|
|
* depending on the position of the <template> tag offset
|
|
* @param {Expression[]} expressions - riot expressions array
|
|
* @param {number} textExpressionsOffset - offset of the <template> tag
|
|
* @returns {Expression[]} expressions containing the text expressions normalized
|
|
*/
|
|
|
|
function fixTextExpressionsOffset(expressions, textExpressionsOffset) {
|
|
return expressions.map(e => e.type === TEXT ? Object.assign({}, e, {
|
|
childNodeIndex: e.childNodeIndex + textExpressionsOffset
|
|
}) : e);
|
|
}
|
|
/**
|
|
* Bind a new expression object to a DOM node
|
|
* @param {HTMLElement} root - DOM node where to bind the expression
|
|
* @param {Object} binding - binding data
|
|
* @param {number|null} templateTagOffset - if it's defined we need to fix the text expressions childNodeIndex offset
|
|
* @returns {Binding} Binding object
|
|
*/
|
|
|
|
|
|
function create$5(root, binding, templateTagOffset) {
|
|
const {
|
|
selector,
|
|
type,
|
|
redundantAttribute,
|
|
expressions
|
|
} = binding; // find the node to apply the bindings
|
|
|
|
const node = selector ? root.querySelector(selector) : root; // remove eventually additional attributes created only to select this node
|
|
|
|
if (redundantAttribute) node.removeAttribute(redundantAttribute);
|
|
const bindingExpressions = expressions || []; // init the binding
|
|
|
|
return (bindings[type] || bindings[SIMPLE])(node, Object.assign({}, binding, {
|
|
expressions: templateTagOffset && !selector ? fixTextExpressionsOffset(bindingExpressions, templateTagOffset) : bindingExpressions
|
|
}));
|
|
}
|
|
|
|
function createHTMLTree(html, root) {
|
|
const template = isTemplate(root) ? root : document.createElement('template');
|
|
template.innerHTML = html;
|
|
return template.content;
|
|
} // for svg nodes we need a bit more work
|
|
|
|
|
|
function createSVGTree(html, container) {
|
|
// create the SVGNode
|
|
const svgNode = container.ownerDocument.importNode(new window.DOMParser().parseFromString(`<svg xmlns="http://www.w3.org/2000/svg">${html}</svg>`, 'application/xml').documentElement, true);
|
|
return svgNode;
|
|
}
|
|
/**
|
|
* Create the DOM that will be injected
|
|
* @param {Object} root - DOM node to find out the context where the fragment will be created
|
|
* @param {string} html - DOM to create as string
|
|
* @returns {HTMLDocumentFragment|HTMLElement} a new html fragment
|
|
*/
|
|
|
|
|
|
function createDOMTree(root, html) {
|
|
if (isSvg(root)) return createSVGTree(html, root);
|
|
return createHTMLTree(html, root);
|
|
}
|
|
|
|
/**
|
|
* Inject the DOM tree into a target node
|
|
* @param {HTMLElement} el - target element
|
|
* @param {HTMLFragment|SVGElement} dom - dom tree to inject
|
|
* @returns {undefined}
|
|
*/
|
|
|
|
function injectDOM(el, dom) {
|
|
switch (true) {
|
|
case isSvg(el):
|
|
moveChildren(dom, el);
|
|
break;
|
|
|
|
case isTemplate(el):
|
|
el.parentNode.replaceChild(dom, el);
|
|
break;
|
|
|
|
default:
|
|
el.appendChild(dom);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create the Template DOM skeleton
|
|
* @param {HTMLElement} el - root node where the DOM will be injected
|
|
* @param {string} html - markup that will be injected into the root node
|
|
* @returns {HTMLFragment} fragment that will be injected into the root node
|
|
*/
|
|
|
|
function createTemplateDOM(el, html) {
|
|
return html && (typeof html === 'string' ? createDOMTree(el, html) : html);
|
|
}
|
|
/**
|
|
* Template Chunk model
|
|
* @type {Object}
|
|
*/
|
|
|
|
|
|
const TemplateChunk = Object.freeze({
|
|
// Static props
|
|
// bindings: null,
|
|
// bindingsData: null,
|
|
// html: null,
|
|
// isTemplateTag: false,
|
|
// fragment: null,
|
|
// children: null,
|
|
// dom: null,
|
|
// el: null,
|
|
|
|
/**
|
|
* Create the template DOM structure that will be cloned on each mount
|
|
* @param {HTMLElement} el - the root node
|
|
* @returns {TemplateChunk} self
|
|
*/
|
|
createDOM(el) {
|
|
// make sure that the DOM gets created before cloning the template
|
|
this.dom = this.dom || createTemplateDOM(el, this.html);
|
|
return this;
|
|
},
|
|
|
|
// API methods
|
|
|
|
/**
|
|
* Attach the template to a DOM node
|
|
* @param {HTMLElement} el - target DOM node
|
|
* @param {*} scope - template data
|
|
* @param {*} parentScope - scope of the parent template tag
|
|
* @param {Object} meta - meta properties needed to handle the <template> tags in loops
|
|
* @returns {TemplateChunk} self
|
|
*/
|
|
mount(el, scope, parentScope, meta) {
|
|
if (meta === void 0) {
|
|
meta = {};
|
|
}
|
|
|
|
if (!el) throw new Error('Please provide DOM node to mount properly your template');
|
|
if (this.el) this.unmount(scope); // <template> tags require a bit more work
|
|
// the template fragment might be already created via meta outside of this call
|
|
|
|
const {
|
|
fragment,
|
|
children,
|
|
avoidDOMInjection
|
|
} = meta; // <template> bindings of course can not have a root element
|
|
// so we check the parent node to set the query selector bindings
|
|
|
|
const {
|
|
parentNode
|
|
} = children ? children[0] : el;
|
|
const isTemplateTag = isTemplate(el);
|
|
const templateTagOffset = isTemplateTag ? Math.max(Array.from(parentNode.childNodes).indexOf(el), 0) : null;
|
|
this.isTemplateTag = isTemplateTag; // create the DOM if it wasn't created before
|
|
|
|
this.createDOM(el);
|
|
|
|
if (this.dom) {
|
|
// create the new template dom fragment if it want already passed in via meta
|
|
this.fragment = fragment || this.dom.cloneNode(true);
|
|
} // store root node
|
|
// notice that for template tags the root note will be the parent tag
|
|
|
|
|
|
this.el = this.isTemplateTag ? parentNode : el; // create the children array only for the <template> fragments
|
|
|
|
this.children = this.isTemplateTag ? children || Array.from(this.fragment.childNodes) : null; // inject the DOM into the el only if a fragment is available
|
|
|
|
if (!avoidDOMInjection && this.fragment) injectDOM(el, this.fragment); // create the bindings
|
|
|
|
this.bindings = this.bindingsData.map(binding => create$5(this.el, binding, templateTagOffset));
|
|
this.bindings.forEach(b => b.mount(scope, parentScope));
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Update the template with fresh data
|
|
* @param {*} scope - template data
|
|
* @param {*} parentScope - scope of the parent template tag
|
|
* @returns {TemplateChunk} self
|
|
*/
|
|
update(scope, parentScope) {
|
|
this.bindings.forEach(b => b.update(scope, parentScope));
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Remove the template from the node where it was initially mounted
|
|
* @param {*} scope - template data
|
|
* @param {*} parentScope - scope of the parent template tag
|
|
* @param {boolean|null} mustRemoveRoot - if true remove the root element,
|
|
* if false or undefined clean the root tag content, if null don't touch the DOM
|
|
* @returns {TemplateChunk} self
|
|
*/
|
|
unmount(scope, parentScope, mustRemoveRoot) {
|
|
if (this.el) {
|
|
this.bindings.forEach(b => b.unmount(scope, parentScope, mustRemoveRoot));
|
|
|
|
switch (true) {
|
|
// <template> tags should be treated a bit differently
|
|
// we need to clear their children only if it's explicitly required by the caller
|
|
// via mustRemoveRoot !== null
|
|
case this.children && mustRemoveRoot !== null:
|
|
clearChildren(this.children);
|
|
break;
|
|
// remove the root node only if the mustRemoveRoot === true
|
|
|
|
case mustRemoveRoot === true:
|
|
removeNode(this.el);
|
|
break;
|
|
// otherwise we clean the node children
|
|
|
|
case mustRemoveRoot !== null:
|
|
cleanNode(this.el);
|
|
break;
|
|
}
|
|
|
|
this.el = null;
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Clone the template chunk
|
|
* @returns {TemplateChunk} a clone of this object resetting the this.el property
|
|
*/
|
|
clone() {
|
|
return Object.assign({}, this, {
|
|
el: null
|
|
});
|
|
}
|
|
|
|
});
|
|
/**
|
|
* Create a template chunk wiring also the bindings
|
|
* @param {string|HTMLElement} html - template string
|
|
* @param {Array} bindings - bindings collection
|
|
* @returns {TemplateChunk} a new TemplateChunk copy
|
|
*/
|
|
|
|
function create$6(html, bindings) {
|
|
if (bindings === void 0) {
|
|
bindings = [];
|
|
}
|
|
|
|
return Object.assign({}, TemplateChunk, {
|
|
html,
|
|
bindingsData: bindings
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Method used to bind expressions to a DOM node
|
|
* @param {string|HTMLElement} html - your static template html structure
|
|
* @param {Array} bindings - list of the expressions to bind to update the markup
|
|
* @returns {TemplateChunk} a new TemplateChunk object having the `update`,`mount`, `unmount` and `clone` methods
|
|
*
|
|
* @example
|
|
*
|
|
* riotDOMBindings
|
|
* .template(
|
|
* `<div expr0><!----></div><div><p expr1><!----><section expr2></section></p>`,
|
|
* [
|
|
* {
|
|
* selector: '[expr0]',
|
|
* redundantAttribute: 'expr0',
|
|
* expressions: [
|
|
* {
|
|
* type: expressionTypes.TEXT,
|
|
* childNodeIndex: 0,
|
|
* evaluate(scope) {
|
|
* return scope.time;
|
|
* },
|
|
* },
|
|
* ],
|
|
* },
|
|
* {
|
|
* selector: '[expr1]',
|
|
* redundantAttribute: 'expr1',
|
|
* expressions: [
|
|
* {
|
|
* type: expressionTypes.TEXT,
|
|
* childNodeIndex: 0,
|
|
* evaluate(scope) {
|
|
* return scope.name;
|
|
* },
|
|
* },
|
|
* {
|
|
* type: 'attribute',
|
|
* name: 'style',
|
|
* evaluate(scope) {
|
|
* return scope.style;
|
|
* },
|
|
* },
|
|
* ],
|
|
* },
|
|
* {
|
|
* selector: '[expr2]',
|
|
* redundantAttribute: 'expr2',
|
|
* type: bindingTypes.IF,
|
|
* evaluate(scope) {
|
|
* return scope.isVisible;
|
|
* },
|
|
* template: riotDOMBindings.template('hello there'),
|
|
* },
|
|
* ]
|
|
* )
|
|
*/
|
|
|
|
var DOMBindings = /*#__PURE__*/Object.freeze({
|
|
__proto__: null,
|
|
template: create$6,
|
|
createBinding: create$5,
|
|
createExpression: create$2,
|
|
bindingTypes: bindingTypes,
|
|
expressionTypes: expressionTypes
|
|
});
|
|
|
|
function noop() {
|
|
return this;
|
|
}
|
|
/**
|
|
* Autobind the methods of a source object to itself
|
|
* @param {Object} source - probably a riot tag instance
|
|
* @param {Array<string>} methods - list of the methods to autobind
|
|
* @returns {Object} the original object received
|
|
*/
|
|
|
|
function autobindMethods(source, methods) {
|
|
methods.forEach(method => {
|
|
source[method] = source[method].bind(source);
|
|
});
|
|
return source;
|
|
}
|
|
/**
|
|
* Call the first argument received only if it's a function otherwise return it as it is
|
|
* @param {*} source - anything
|
|
* @returns {*} anything
|
|
*/
|
|
|
|
function callOrAssign(source) {
|
|
return isFunction(source) ? source.prototype && source.prototype.constructor ? new source() : source() : source;
|
|
}
|
|
|
|
/**
|
|
* Helper function to set an immutable property
|
|
* @param {Object} source - object where the new property will be set
|
|
* @param {string} key - object key where the new property will be stored
|
|
* @param {*} value - value of the new property
|
|
* @param {Object} options - set the propery overriding the default options
|
|
* @returns {Object} - the original object modified
|
|
*/
|
|
function defineProperty(source, key, value, options) {
|
|
if (options === void 0) {
|
|
options = {};
|
|
}
|
|
|
|
/* eslint-disable fp/no-mutating-methods */
|
|
Object.defineProperty(source, key, Object.assign({
|
|
value,
|
|
enumerable: false,
|
|
writable: false,
|
|
configurable: true
|
|
}, options));
|
|
/* eslint-enable fp/no-mutating-methods */
|
|
|
|
return source;
|
|
}
|
|
/**
|
|
* Define multiple properties on a target object
|
|
* @param {Object} source - object where the new properties will be set
|
|
* @param {Object} properties - object containing as key pair the key + value properties
|
|
* @param {Object} options - set the propery overriding the default options
|
|
* @returns {Object} the original object modified
|
|
*/
|
|
|
|
function defineProperties(source, properties, options) {
|
|
Object.entries(properties).forEach((_ref) => {
|
|
let [key, value] = _ref;
|
|
defineProperty(source, key, value, options);
|
|
});
|
|
return source;
|
|
}
|
|
/**
|
|
* Define default properties if they don't exist on the source object
|
|
* @param {Object} source - object that will receive the default properties
|
|
* @param {Object} defaults - object containing additional optional keys
|
|
* @returns {Object} the original object received enhanced
|
|
*/
|
|
|
|
function defineDefaults(source, defaults) {
|
|
Object.entries(defaults).forEach((_ref2) => {
|
|
let [key, value] = _ref2;
|
|
if (!source[key]) source[key] = value;
|
|
});
|
|
return source;
|
|
}
|
|
|
|
/**
|
|
* Converts any DOM node/s to a loopable array
|
|
* @param { HTMLElement|NodeList } els - single html element or a node list
|
|
* @returns { Array } always a loopable object
|
|
*/
|
|
function domToArray(els) {
|
|
// can this object be already looped?
|
|
if (!Array.isArray(els)) {
|
|
// is it a node list?
|
|
if (/^\[object (HTMLCollection|NodeList|Object)\]$/.test(Object.prototype.toString.call(els)) && typeof els.length === 'number') return Array.from(els);else // if it's a single node
|
|
// it will be returned as "array" with one single entry
|
|
return [els];
|
|
} // this object could be looped out of the box
|
|
|
|
|
|
return els;
|
|
}
|
|
|
|
/**
|
|
* Simple helper to find DOM nodes returning them as array like loopable object
|
|
* @param { string|DOMNodeList } selector - either the query or the DOM nodes to arraify
|
|
* @param { HTMLElement } ctx - context defining where the query will search for the DOM nodes
|
|
* @returns { Array } DOM nodes found as array
|
|
*/
|
|
|
|
function $(selector, ctx) {
|
|
return domToArray(typeof selector === 'string' ? (ctx || document).querySelectorAll(selector) : selector);
|
|
}
|
|
|
|
/**
|
|
* Normalize the return values, in case of a single value we avoid to return an array
|
|
* @param { Array } values - list of values we want to return
|
|
* @returns { Array|string|boolean } either the whole list of values or the single one found
|
|
* @private
|
|
*/
|
|
|
|
const normalize = values => values.length === 1 ? values[0] : values;
|
|
/**
|
|
* Parse all the nodes received to get/remove/check their attributes
|
|
* @param { HTMLElement|NodeList|Array } els - DOM node/s to parse
|
|
* @param { string|Array } name - name or list of attributes
|
|
* @param { string } method - method that will be used to parse the attributes
|
|
* @returns { Array|string } result of the parsing in a list or a single value
|
|
* @private
|
|
*/
|
|
|
|
|
|
function parseNodes(els, name, method) {
|
|
const names = typeof name === 'string' ? [name] : name;
|
|
return normalize(domToArray(els).map(el => {
|
|
return normalize(names.map(n => el[method](n)));
|
|
}));
|
|
}
|
|
/**
|
|
* Set any attribute on a single or a list of DOM nodes
|
|
* @param { HTMLElement|NodeList|Array } els - DOM node/s to parse
|
|
* @param { string|Object } name - either the name of the attribute to set
|
|
* or a list of properties as object key - value
|
|
* @param { string } value - the new value of the attribute (optional)
|
|
* @returns { HTMLElement|NodeList|Array } the original array of elements passed to this function
|
|
*
|
|
* @example
|
|
*
|
|
* import { set } from 'bianco.attr'
|
|
*
|
|
* const img = document.createElement('img')
|
|
*
|
|
* set(img, 'width', 100)
|
|
*
|
|
* // or also
|
|
* set(img, {
|
|
* width: 300,
|
|
* height: 300
|
|
* })
|
|
*
|
|
*/
|
|
|
|
|
|
function set(els, name, value) {
|
|
const attrs = typeof name === 'object' ? name : {
|
|
[name]: value
|
|
};
|
|
const props = Object.keys(attrs);
|
|
domToArray(els).forEach(el => {
|
|
props.forEach(prop => el.setAttribute(prop, attrs[prop]));
|
|
});
|
|
return els;
|
|
}
|
|
/**
|
|
* Get any attribute from a single or a list of DOM nodes
|
|
* @param { HTMLElement|NodeList|Array } els - DOM node/s to parse
|
|
* @param { string|Array } name - name or list of attributes to get
|
|
* @returns { Array|string } list of the attributes found
|
|
*
|
|
* @example
|
|
*
|
|
* import { get } from 'bianco.attr'
|
|
*
|
|
* const img = document.createElement('img')
|
|
*
|
|
* get(img, 'width') // => '200'
|
|
*
|
|
* // or also
|
|
* get(img, ['width', 'height']) // => ['200', '300']
|
|
*
|
|
* // or also
|
|
* get([img1, img2], ['width', 'height']) // => [['200', '300'], ['500', '200']]
|
|
*/
|
|
|
|
function get(els, name) {
|
|
return parseNodes(els, name, 'getAttribute');
|
|
}
|
|
|
|
const CSS_BY_NAME = new Map();
|
|
const STYLE_NODE_SELECTOR = 'style[riot]'; // memoized curried function
|
|
|
|
const getStyleNode = (style => {
|
|
return () => {
|
|
// lazy evaluation:
|
|
// if this function was already called before
|
|
// we return its cached result
|
|
if (style) return style; // create a new style element or use an existing one
|
|
// and cache it internally
|
|
|
|
style = $(STYLE_NODE_SELECTOR)[0] || document.createElement('style');
|
|
set(style, 'type', 'text/css');
|
|
/* istanbul ignore next */
|
|
|
|
if (!style.parentNode) document.head.appendChild(style);
|
|
return style;
|
|
};
|
|
})();
|
|
/**
|
|
* Object that will be used to inject and manage the css of every tag instance
|
|
*/
|
|
|
|
|
|
var cssManager = {
|
|
CSS_BY_NAME,
|
|
|
|
/**
|
|
* Save a tag style to be later injected into DOM
|
|
* @param { string } name - if it's passed we will map the css to a tagname
|
|
* @param { string } css - css string
|
|
* @returns {Object} self
|
|
*/
|
|
add(name, css) {
|
|
if (!CSS_BY_NAME.has(name)) {
|
|
CSS_BY_NAME.set(name, css);
|
|
this.inject();
|
|
}
|
|
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Inject all previously saved tag styles into DOM
|
|
* innerHTML seems slow: http://jsperf.com/riot-insert-style
|
|
* @returns {Object} self
|
|
*/
|
|
inject() {
|
|
getStyleNode().innerHTML = [...CSS_BY_NAME.values()].join('\n');
|
|
return this;
|
|
},
|
|
|
|
/**
|
|
* Remove a tag style from the DOM
|
|
* @param {string} name a registered tagname
|
|
* @returns {Object} self
|
|
*/
|
|
remove(name) {
|
|
if (CSS_BY_NAME.has(name)) {
|
|
CSS_BY_NAME.delete(name);
|
|
this.inject();
|
|
}
|
|
|
|
return this;
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* Function to curry any javascript method
|
|
* @param {Function} fn - the target function we want to curry
|
|
* @param {...[args]} acc - initial arguments
|
|
* @returns {Function|*} it will return a function until the target function
|
|
* will receive all of its arguments
|
|
*/
|
|
function curry(fn) {
|
|
for (var _len = arguments.length, acc = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
acc[_key - 1] = arguments[_key];
|
|
}
|
|
|
|
return function () {
|
|
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
|
|
args[_key2] = arguments[_key2];
|
|
}
|
|
|
|
args = [...acc, ...args];
|
|
return args.length < fn.length ? curry(fn, ...args) : fn(...args);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Get the tag name of any DOM node
|
|
* @param {HTMLElement} element - DOM node we want to inspect
|
|
* @returns {string} name to identify this dom node in riot
|
|
*/
|
|
|
|
function getName(element) {
|
|
return get(element, IS_DIRECTIVE) || element.tagName.toLowerCase();
|
|
}
|
|
|
|
const COMPONENT_CORE_HELPERS = Object.freeze({
|
|
// component helpers
|
|
$(selector) {
|
|
return $(selector, this.root)[0];
|
|
},
|
|
|
|
$$(selector) {
|
|
return $(selector, this.root);
|
|
}
|
|
|
|
});
|
|
const PURE_COMPONENT_API = Object.freeze({
|
|
[MOUNT_METHOD_KEY]: noop,
|
|
[UPDATE_METHOD_KEY]: noop,
|
|
[UNMOUNT_METHOD_KEY]: noop
|
|
});
|
|
const COMPONENT_LIFECYCLE_METHODS = Object.freeze({
|
|
[SHOULD_UPDATE_KEY]: noop,
|
|
[ON_BEFORE_MOUNT_KEY]: noop,
|
|
[ON_MOUNTED_KEY]: noop,
|
|
[ON_BEFORE_UPDATE_KEY]: noop,
|
|
[ON_UPDATED_KEY]: noop,
|
|
[ON_BEFORE_UNMOUNT_KEY]: noop,
|
|
[ON_UNMOUNTED_KEY]: noop
|
|
});
|
|
const MOCKED_TEMPLATE_INTERFACE = Object.assign({}, PURE_COMPONENT_API, {
|
|
clone: noop,
|
|
createDOM: noop
|
|
});
|
|
/**
|
|
* Evaluate the component properties either from its real attributes or from its initial user properties
|
|
* @param {HTMLElement} element - component root
|
|
* @param {Object} initialProps - initial props
|
|
* @returns {Object} component props key value pairs
|
|
*/
|
|
|
|
function evaluateInitialProps(element, initialProps) {
|
|
if (initialProps === void 0) {
|
|
initialProps = {};
|
|
}
|
|
|
|
return Object.assign({}, DOMattributesToObject(element), callOrAssign(initialProps));
|
|
}
|
|
/**
|
|
* Bind a DOM node to its component object
|
|
* @param {HTMLElement} node - html node mounted
|
|
* @param {Object} component - Riot.js component object
|
|
* @returns {Object} the component object received as second argument
|
|
*/
|
|
|
|
|
|
const bindDOMNodeToComponentObject = (node, component) => node[DOM_COMPONENT_INSTANCE_PROPERTY] = component;
|
|
/**
|
|
* Wrap the Riot.js core API methods using a mapping function
|
|
* @param {Function} mapFunction - lifting function
|
|
* @returns {Object} an object having the { mount, update, unmount } functions
|
|
*/
|
|
|
|
|
|
function createCoreAPIMethods(mapFunction) {
|
|
return [MOUNT_METHOD_KEY, UPDATE_METHOD_KEY, UNMOUNT_METHOD_KEY].reduce((acc, method) => {
|
|
acc[method] = mapFunction(method);
|
|
return acc;
|
|
}, {});
|
|
}
|
|
/**
|
|
* Factory function to create the component templates only once
|
|
* @param {Function} template - component template creation function
|
|
* @param {Object} components - object containing the nested components
|
|
* @returns {TemplateChunk} template chunk object
|
|
*/
|
|
|
|
|
|
function componentTemplateFactory(template, components) {
|
|
return template(create$6, expressionTypes, bindingTypes, name => {
|
|
return components[name] || COMPONENTS_IMPLEMENTATION_MAP.get(name);
|
|
});
|
|
}
|
|
/**
|
|
* Create a pure component
|
|
* @param {Function} pureFactoryFunction - pure component factory function
|
|
* @param {Array} options.slots - component slots
|
|
* @param {Array} options.attributes - component attributes
|
|
* @param {Array} options.template - template factory function
|
|
* @param {Array} options.template - template factory function
|
|
* @param {any} options.props - initial component properties
|
|
* @returns {Object} pure component object
|
|
*/
|
|
|
|
|
|
function createPureComponent(pureFactoryFunction, _ref) {
|
|
let {
|
|
slots,
|
|
attributes,
|
|
props,
|
|
css,
|
|
template
|
|
} = _ref;
|
|
if (template) panic('Pure components can not have html');
|
|
if (css) panic('Pure components do not have css');
|
|
const component = defineDefaults(pureFactoryFunction({
|
|
slots,
|
|
attributes,
|
|
props
|
|
}), PURE_COMPONENT_API);
|
|
return createCoreAPIMethods(method => function () {
|
|
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
|
|
args[_key] = arguments[_key];
|
|
}
|
|
|
|
// intercept the mount calls to bind the DOM node to the pure object created
|
|
// see also https://github.com/riot/riot/issues/2806
|
|
if (method === MOUNT_METHOD_KEY) {
|
|
const [el] = args;
|
|
bindDOMNodeToComponentObject(el, component);
|
|
}
|
|
|
|
component[method](...args);
|
|
return component;
|
|
});
|
|
}
|
|
/**
|
|
* Create the component interface needed for the @riotjs/dom-bindings tag bindings
|
|
* @param {string} options.css - component css
|
|
* @param {Function} options.template - functon that will return the dom-bindings template function
|
|
* @param {Object} options.exports - component interface
|
|
* @param {string} options.name - component name
|
|
* @returns {Object} component like interface
|
|
*/
|
|
|
|
|
|
function createComponent(_ref2) {
|
|
let {
|
|
css,
|
|
template,
|
|
exports,
|
|
name
|
|
} = _ref2;
|
|
const templateFn = template ? componentTemplateFactory(template, exports ? createSubcomponents(exports.components) : {}) : MOCKED_TEMPLATE_INTERFACE;
|
|
return (_ref3) => {
|
|
let {
|
|
slots,
|
|
attributes,
|
|
props
|
|
} = _ref3;
|
|
// pure components rendering will be managed by the end user
|
|
if (exports && exports[IS_PURE_SYMBOL]) return createPureComponent(exports, {
|
|
slots,
|
|
attributes,
|
|
props,
|
|
css,
|
|
template
|
|
});
|
|
const componentAPI = callOrAssign(exports) || {};
|
|
const component = defineComponent({
|
|
css,
|
|
template: templateFn,
|
|
componentAPI,
|
|
name
|
|
})({
|
|
slots,
|
|
attributes,
|
|
props
|
|
}); // notice that for the components create via tag binding
|
|
// we need to invert the mount (state/parentScope) arguments
|
|
// the template bindings will only forward the parentScope updates
|
|
// and never deal with the component state
|
|
|
|
return {
|
|
mount(element, parentScope, state) {
|
|
return component.mount(element, state, parentScope);
|
|
},
|
|
|
|
update(parentScope, state) {
|
|
return component.update(state, parentScope);
|
|
},
|
|
|
|
unmount(preserveRoot) {
|
|
return component.unmount(preserveRoot);
|
|
}
|
|
|
|
};
|
|
};
|
|
}
|
|
/**
|
|
* Component definition function
|
|
* @param {Object} implementation - the componen implementation will be generated via compiler
|
|
* @param {Object} component - the component initial properties
|
|
* @returns {Object} a new component implementation object
|
|
*/
|
|
|
|
function defineComponent(_ref4) {
|
|
let {
|
|
css,
|
|
template,
|
|
componentAPI,
|
|
name
|
|
} = _ref4;
|
|
// add the component css into the DOM
|
|
if (css && name) cssManager.add(name, css);
|
|
return curry(enhanceComponentAPI)(defineProperties( // set the component defaults without overriding the original component API
|
|
defineDefaults(componentAPI, Object.assign({}, COMPONENT_LIFECYCLE_METHODS, {
|
|
[STATE_KEY]: {}
|
|
})), Object.assign({
|
|
// defined during the component creation
|
|
[SLOTS_KEY]: null,
|
|
[ROOT_KEY]: null
|
|
}, COMPONENT_CORE_HELPERS, {
|
|
name,
|
|
css,
|
|
template
|
|
})));
|
|
}
|
|
/**
|
|
* Create the bindings to update the component attributes
|
|
* @param {HTMLElement} node - node where we will bind the expressions
|
|
* @param {Array} attributes - list of attribute bindings
|
|
* @returns {TemplateChunk} - template bindings object
|
|
*/
|
|
|
|
function createAttributeBindings(node, attributes) {
|
|
if (attributes === void 0) {
|
|
attributes = [];
|
|
}
|
|
|
|
const expressions = attributes.map(a => create$2(node, a));
|
|
const binding = {};
|
|
return Object.assign(binding, Object.assign({
|
|
expressions
|
|
}, createCoreAPIMethods(method => scope => {
|
|
expressions.forEach(e => e[method](scope));
|
|
return binding;
|
|
})));
|
|
}
|
|
/**
|
|
* Create the subcomponents that can be included inside a tag in runtime
|
|
* @param {Object} components - components imported in runtime
|
|
* @returns {Object} all the components transformed into Riot.Component factory functions
|
|
*/
|
|
|
|
|
|
function createSubcomponents(components) {
|
|
if (components === void 0) {
|
|
components = {};
|
|
}
|
|
|
|
return Object.entries(callOrAssign(components)).reduce((acc, _ref5) => {
|
|
let [key, value] = _ref5;
|
|
acc[camelToDashCase(key)] = createComponent(value);
|
|
return acc;
|
|
}, {});
|
|
}
|
|
/**
|
|
* Run the component instance through all the plugins set by the user
|
|
* @param {Object} component - component instance
|
|
* @returns {Object} the component enhanced by the plugins
|
|
*/
|
|
|
|
|
|
function runPlugins(component) {
|
|
return [...PLUGINS_SET].reduce((c, fn) => fn(c) || c, component);
|
|
}
|
|
/**
|
|
* Compute the component current state merging it with its previous state
|
|
* @param {Object} oldState - previous state object
|
|
* @param {Object} newState - new state givent to the `update` call
|
|
* @returns {Object} new object state
|
|
*/
|
|
|
|
|
|
function computeState(oldState, newState) {
|
|
return Object.assign({}, oldState, callOrAssign(newState));
|
|
}
|
|
/**
|
|
* Add eventually the "is" attribute to link this DOM node to its css
|
|
* @param {HTMLElement} element - target root node
|
|
* @param {string} name - name of the component mounted
|
|
* @returns {undefined} it's a void function
|
|
*/
|
|
|
|
|
|
function addCssHook(element, name) {
|
|
if (getName(element) !== name) {
|
|
set(element, IS_DIRECTIVE, name);
|
|
}
|
|
}
|
|
/**
|
|
* Component creation factory function that will enhance the user provided API
|
|
* @param {Object} component - a component implementation previously defined
|
|
* @param {Array} options.slots - component slots generated via riot compiler
|
|
* @param {Array} options.attributes - attribute expressions generated via riot compiler
|
|
* @returns {Riot.Component} a riot component instance
|
|
*/
|
|
|
|
|
|
function enhanceComponentAPI(component, _ref6) {
|
|
let {
|
|
slots,
|
|
attributes,
|
|
props
|
|
} = _ref6;
|
|
return autobindMethods(runPlugins(defineProperties(Object.create(component), {
|
|
mount(element, state, parentScope) {
|
|
if (state === void 0) {
|
|
state = {};
|
|
}
|
|
|
|
this[ATTRIBUTES_KEY_SYMBOL] = createAttributeBindings(element, attributes).mount(parentScope);
|
|
defineProperty(this, PROPS_KEY, Object.freeze(Object.assign({}, evaluateInitialProps(element, props), evaluateAttributeExpressions(this[ATTRIBUTES_KEY_SYMBOL].expressions))));
|
|
this[STATE_KEY] = computeState(this[STATE_KEY], state);
|
|
this[TEMPLATE_KEY_SYMBOL] = this.template.createDOM(element).clone(); // link this object to the DOM node
|
|
|
|
bindDOMNodeToComponentObject(element, this); // add eventually the 'is' attribute
|
|
|
|
component.name && addCssHook(element, component.name); // define the root element
|
|
|
|
defineProperty(this, ROOT_KEY, element); // define the slots array
|
|
|
|
defineProperty(this, SLOTS_KEY, slots); // before mount lifecycle event
|
|
|
|
this[ON_BEFORE_MOUNT_KEY](this[PROPS_KEY], this[STATE_KEY]);
|
|
this[PARENT_KEY_SYMBOL] = parentScope; // mount the template
|
|
|
|
this[TEMPLATE_KEY_SYMBOL].mount(element, this, parentScope);
|
|
this[ON_MOUNTED_KEY](this[PROPS_KEY], this[STATE_KEY]);
|
|
return this;
|
|
},
|
|
|
|
update(state, parentScope) {
|
|
if (state === void 0) {
|
|
state = {};
|
|
}
|
|
|
|
if (parentScope) {
|
|
this[ATTRIBUTES_KEY_SYMBOL].update(parentScope);
|
|
}
|
|
|
|
const newProps = evaluateAttributeExpressions(this[ATTRIBUTES_KEY_SYMBOL].expressions);
|
|
if (this[SHOULD_UPDATE_KEY](newProps, this[PROPS_KEY]) === false) return;
|
|
defineProperty(this, PROPS_KEY, Object.freeze(Object.assign({}, this[PROPS_KEY], newProps)));
|
|
this[STATE_KEY] = computeState(this[STATE_KEY], state);
|
|
this[ON_BEFORE_UPDATE_KEY](this[PROPS_KEY], this[STATE_KEY]);
|
|
this[TEMPLATE_KEY_SYMBOL].update(this, this[PARENT_KEY_SYMBOL]);
|
|
this[ON_UPDATED_KEY](this[PROPS_KEY], this[STATE_KEY]);
|
|
return this;
|
|
},
|
|
|
|
unmount(preserveRoot) {
|
|
this[ON_BEFORE_UNMOUNT_KEY](this[PROPS_KEY], this[STATE_KEY]);
|
|
this[ATTRIBUTES_KEY_SYMBOL].unmount(); // if the preserveRoot is null the template html will be left untouched
|
|
// in that case the DOM cleanup will happen differently from a parent node
|
|
|
|
this[TEMPLATE_KEY_SYMBOL].unmount(this, this[PARENT_KEY_SYMBOL], preserveRoot === null ? null : !preserveRoot);
|
|
this[ON_UNMOUNTED_KEY](this[PROPS_KEY], this[STATE_KEY]);
|
|
return this;
|
|
}
|
|
|
|
})), Object.keys(component).filter(prop => isFunction(component[prop])));
|
|
}
|
|
/**
|
|
* Component initialization function starting from a DOM node
|
|
* @param {HTMLElement} element - element to upgrade
|
|
* @param {Object} initialProps - initial component properties
|
|
* @param {string} componentName - component id
|
|
* @returns {Object} a new component instance bound to a DOM node
|
|
*/
|
|
|
|
function mountComponent(element, initialProps, componentName) {
|
|
const name = componentName || getName(element);
|
|
if (!COMPONENTS_IMPLEMENTATION_MAP.has(name)) panic(`The component named "${name}" was never registered`);
|
|
const component = COMPONENTS_IMPLEMENTATION_MAP.get(name)({
|
|
props: initialProps
|
|
});
|
|
return component.mount(element);
|
|
}
|
|
|
|
/**
|
|
* Similar to compose but performs from left-to-right function composition.<br/>
|
|
* {@link https://30secondsofcode.org/function#composeright see also}
|
|
* @param {...[function]} fns) - list of unary function
|
|
* @returns {*} result of the computation
|
|
*/
|
|
/**
|
|
* Performs right-to-left function composition.<br/>
|
|
* Use Array.prototype.reduce() to perform right-to-left function composition.<br/>
|
|
* The last (rightmost) function can accept one or more arguments; the remaining functions must be unary.<br/>
|
|
* {@link https://30secondsofcode.org/function#compose original source code}
|
|
* @param {...[function]} fns) - list of unary function
|
|
* @returns {*} result of the computation
|
|
*/
|
|
|
|
function compose() {
|
|
for (var _len2 = arguments.length, fns = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
|
|
fns[_key2] = arguments[_key2];
|
|
}
|
|
|
|
return fns.reduce((f, g) => function () {
|
|
return f(g(...arguments));
|
|
});
|
|
}
|
|
|
|
const {
|
|
DOM_COMPONENT_INSTANCE_PROPERTY: DOM_COMPONENT_INSTANCE_PROPERTY$1,
|
|
COMPONENTS_IMPLEMENTATION_MAP: COMPONENTS_IMPLEMENTATION_MAP$1,
|
|
PLUGINS_SET: PLUGINS_SET$1
|
|
} = globals;
|
|
/**
|
|
* Riot public api
|
|
*/
|
|
|
|
/**
|
|
* Register a custom tag by name
|
|
* @param {string} name - component name
|
|
* @param {Object} implementation - tag implementation
|
|
* @returns {Map} map containing all the components implementations
|
|
*/
|
|
|
|
function register(name, _ref) {
|
|
let {
|
|
css,
|
|
template,
|
|
exports
|
|
} = _ref;
|
|
if (COMPONENTS_IMPLEMENTATION_MAP$1.has(name)) panic(`The component "${name}" was already registered`);
|
|
COMPONENTS_IMPLEMENTATION_MAP$1.set(name, createComponent({
|
|
name,
|
|
css,
|
|
template,
|
|
exports
|
|
}));
|
|
return COMPONENTS_IMPLEMENTATION_MAP$1;
|
|
}
|
|
/**
|
|
* Unregister a riot web component
|
|
* @param {string} name - component name
|
|
* @returns {Map} map containing all the components implementations
|
|
*/
|
|
|
|
function unregister(name) {
|
|
if (!COMPONENTS_IMPLEMENTATION_MAP$1.has(name)) panic(`The component "${name}" was never registered`);
|
|
COMPONENTS_IMPLEMENTATION_MAP$1.delete(name);
|
|
cssManager.remove(name);
|
|
return COMPONENTS_IMPLEMENTATION_MAP$1;
|
|
}
|
|
/**
|
|
* Mounting function that will work only for the components that were globally registered
|
|
* @param {string|HTMLElement} selector - query for the selection or a DOM element
|
|
* @param {Object} initialProps - the initial component properties
|
|
* @param {string} name - optional component name
|
|
* @returns {Array} list of nodes upgraded
|
|
*/
|
|
|
|
function mount(selector, initialProps, name) {
|
|
return $(selector).map(element => mountComponent(element, initialProps, name));
|
|
}
|
|
/**
|
|
* Sweet unmounting helper function for the DOM node mounted manually by the user
|
|
* @param {string|HTMLElement} selector - query for the selection or a DOM element
|
|
* @param {boolean|null} keepRootElement - if true keep the root element
|
|
* @returns {Array} list of nodes unmounted
|
|
*/
|
|
|
|
function unmount(selector, keepRootElement) {
|
|
return $(selector).map(element => {
|
|
if (element[DOM_COMPONENT_INSTANCE_PROPERTY$1]) {
|
|
element[DOM_COMPONENT_INSTANCE_PROPERTY$1].unmount(keepRootElement);
|
|
}
|
|
|
|
return element;
|
|
});
|
|
}
|
|
/**
|
|
* Define a riot plugin
|
|
* @param {Function} plugin - function that will receive all the components created
|
|
* @returns {Set} the set containing all the plugins installed
|
|
*/
|
|
|
|
function install(plugin) {
|
|
if (!isFunction(plugin)) panic('Plugins must be of type function');
|
|
if (PLUGINS_SET$1.has(plugin)) panic('This plugin was already installed');
|
|
PLUGINS_SET$1.add(plugin);
|
|
return PLUGINS_SET$1;
|
|
}
|
|
/**
|
|
* Uninstall a riot plugin
|
|
* @param {Function} plugin - plugin previously installed
|
|
* @returns {Set} the set containing all the plugins installed
|
|
*/
|
|
|
|
function uninstall(plugin) {
|
|
if (!PLUGINS_SET$1.has(plugin)) panic('This plugin was never installed');
|
|
PLUGINS_SET$1.delete(plugin);
|
|
return PLUGINS_SET$1;
|
|
}
|
|
/**
|
|
* Helper method to create component without relying on the registered ones
|
|
* @param {Object} implementation - component implementation
|
|
* @returns {Function} function that will allow you to mount a riot component on a DOM node
|
|
*/
|
|
|
|
function component(implementation) {
|
|
return function (el, props, _temp) {
|
|
let {
|
|
slots,
|
|
attributes,
|
|
parentScope
|
|
} = _temp === void 0 ? {} : _temp;
|
|
return compose(c => c.mount(el, parentScope), c => c({
|
|
props,
|
|
slots,
|
|
attributes
|
|
}), createComponent)(implementation);
|
|
};
|
|
}
|
|
/**
|
|
* Lift a riot component Interface into a pure riot object
|
|
* @param {Function} func - RiotPureComponent factory function
|
|
* @returns {Function} the lifted original function received as argument
|
|
*/
|
|
|
|
function pure(func) {
|
|
if (!isFunction(func)) panic('riot.pure accepts only arguments of type "function"');
|
|
func[IS_PURE_SYMBOL] = true;
|
|
return func;
|
|
}
|
|
/** @type {string} current riot version */
|
|
|
|
const version = 'v4.13.1'; // expose some internal stuff that might be used from external tools
|
|
|
|
const __ = {
|
|
cssManager,
|
|
DOMBindings,
|
|
createComponent,
|
|
defineComponent,
|
|
globals
|
|
};
|
|
|
|
exports.__ = __;
|
|
exports.component = component;
|
|
exports.install = install;
|
|
exports.mount = mount;
|
|
exports.pure = pure;
|
|
exports.register = register;
|
|
exports.uninstall = uninstall;
|
|
exports.unmount = unmount;
|
|
exports.unregister = unregister;
|
|
exports.version = version;
|
|
|
|
Object.defineProperty(exports, '__esModule', { value: true });
|
|
|
|
})));
|