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74 lines
2.7 KiB
74 lines
2.7 KiB
4 years ago
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.escape = exports.encodeHTML = exports.encodeXML = void 0;
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var xml_json_1 = __importDefault(require("./maps/xml.json"));
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var inverseXML = getInverseObj(xml_json_1.default);
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var xmlReplacer = getInverseReplacer(inverseXML);
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exports.encodeXML = getInverse(inverseXML, xmlReplacer);
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var entities_json_1 = __importDefault(require("./maps/entities.json"));
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var inverseHTML = getInverseObj(entities_json_1.default);
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var htmlReplacer = getInverseReplacer(inverseHTML);
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exports.encodeHTML = getInverse(inverseHTML, htmlReplacer);
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function getInverseObj(obj) {
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return Object.keys(obj)
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.sort()
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.reduce(function (inverse, name) {
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inverse[obj[name]] = "&" + name + ";";
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return inverse;
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}, {});
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}
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function getInverseReplacer(inverse) {
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var single = [];
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var multiple = [];
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for (var _i = 0, _a = Object.keys(inverse); _i < _a.length; _i++) {
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var k = _a[_i];
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if (k.length === 1) {
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// Add value to single array
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single.push("\\" + k);
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}
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else {
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// Add value to multiple array
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multiple.push(k);
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}
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}
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// Add ranges to single characters.
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single.sort();
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for (var start = 0; start < single.length - 1; start++) {
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// Find the end of a run of characters
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var end = start;
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while (end < single.length - 1 &&
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single[end].charCodeAt(1) + 1 === single[end + 1].charCodeAt(1)) {
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end += 1;
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}
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var count = 1 + end - start;
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// We want to replace at least three characters
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if (count < 3)
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continue;
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single.splice(start, count, single[start] + "-" + single[end]);
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}
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multiple.unshift("[" + single.join("") + "]");
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return new RegExp(multiple.join("|"), "g");
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}
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var reNonASCII = /(?:[\x80-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g;
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function singleCharReplacer(c) {
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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return "&#x" + c.codePointAt(0).toString(16).toUpperCase() + ";";
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}
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function getInverse(inverse, re) {
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return function (data) {
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return data
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.replace(re, function (name) { return inverse[name]; })
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.replace(reNonASCII, singleCharReplacer);
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};
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}
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var reXmlChars = getInverseReplacer(inverseXML);
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function escape(data) {
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return data
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.replace(reXmlChars, singleCharReplacer)
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.replace(reNonASCII, singleCharReplacer);
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}
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exports.escape = escape;
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