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268 lines
7.5 KiB
268 lines
7.5 KiB
# dom-nodes
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[![Build Status][travis-image]][travis-url]
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[![NPM version][npm-version-image]][npm-url]
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[![NPM downloads][npm-downloads-image]][npm-url]
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[![MIT License][license-image]][license-url]
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## Installation
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```bash
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$ npm i dom-nodes -S
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```
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## Usage
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```js
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import {isVoid} from 'dom-nodes'
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isVoid('div') // false
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isVoid('img') // true
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```
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`dom-nodes` exports all the methods [listed below](#API) giving you some simple tests to understand which kind of node you are dealing with.
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This project includes [html-tags](https://github.com/sindresorhus/html-tags) and [svg-tag-names](https://github.com/wooorm/svg-tag-names) directly in its source code avoiding to rely on third party npm modules for such simple list of strings.
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This project couldn't have been made without the projects above!
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[travis-image]: https://img.shields.io/travis/riot/dom-nodes.svg?style=flat-square
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[travis-url]: https://travis-ci.org/riot/dom-nodes
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[license-image]: http://img.shields.io/badge/license-MIT-000000.svg?style=flat-square
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[license-url]: LICENSE
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[npm-version-image]: http://img.shields.io/npm/v/dom-nodes.svg?style=flat-square
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[npm-downloads-image]: http://img.shields.io/npm/dm/dom-nodes.svg?style=flat-square
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[npm-url]: https://npmjs.org/package/dom-nodes
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## API
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<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
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#### Table of Contents
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- [VOID_SVG_TAGS_LIST](#void_svg_tags_list)
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- [HTML_ELEMENTS_HAVING_VALUE_ATTRIBUTE_LIST](#html_elements_having_value_attribute_list)
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- [SVG_TAGS_LIST](#svg_tags_list)
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- [VOID_HTML_TAGS_LIST](#void_html_tags_list)
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- [HTML_TAGS_LIST](#html_tags_list)
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- [BOOLEAN_ATTRIBUTES_LIST](#boolean_attributes_list)
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- [HTML_TAGS_RE](#html_tags_re)
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- [SVG_TAGS_RE](#svg_tags_re)
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- [VOID_HTML_TAGS_RE](#void_html_tags_re)
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- [VOID_SVG_TAGS_RE](#void_svg_tags_re)
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- [HTML_ELEMENTS_HAVING_VALUE_ATTRIBUTE_RE](#html_elements_having_value_attribute_re)
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- [BOOLEAN_ATTRIBUTES_RE](#boolean_attributes_re)
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- [isVoid](#isvoid)
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- [Parameters](#parameters)
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- [Examples](#examples)
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- [isHtml](#ishtml)
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- [Parameters](#parameters-1)
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- [Examples](#examples-1)
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- [isSvg](#issvg)
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- [Parameters](#parameters-2)
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- [Examples](#examples-2)
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- [isCustom](#iscustom)
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- [Parameters](#parameters-3)
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- [Examples](#examples-3)
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- [hasValueAttribute](#hasvalueattribute)
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- [Parameters](#parameters-4)
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- [Examples](#examples-4)
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- [isBoolAttribute](#isboolattribute)
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- [Parameters](#parameters-5)
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- [Examples](#examples-5)
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### VOID_SVG_TAGS_LIST
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SVG void elements that cannot be auto-closed and shouldn't contain child nodes.
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Type: [Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)
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### HTML_ELEMENTS_HAVING_VALUE_ATTRIBUTE_LIST
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List of html elements where the value attribute is allowed
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Type: [Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)
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### SVG_TAGS_LIST
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- **See: <https://github.com/wooorm/svg-tag-names>**
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List of all the available svg tags
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Type: [Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)
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### VOID_HTML_TAGS_LIST
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- **See: <http://www.w3.org/TR/html-markup/syntax.html#syntax-elements>**
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- **See: <http://www.w3.org/TR/html5/syntax.html#void-elements>**
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HTML void elements that cannot be auto-closed and shouldn't contain child nodes.
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Type: [Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)
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### HTML_TAGS_LIST
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- **See: <https://github.com/sindresorhus/html-tags>**
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List of all the html tags
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Type: [Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)
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### BOOLEAN_ATTRIBUTES_LIST
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- **See: <https://www.w3.org/TR/html5/infrastructure.html#sec-boolean-attributes>**
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List of all boolean HTML attributes
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### HTML_TAGS_RE
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Regex matching all the html tags ignoring the cases
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### SVG_TAGS_RE
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Regex matching all the svg tags ignoring the cases
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### VOID_HTML_TAGS_RE
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Regex matching all the void html tags ignoring the cases
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### VOID_SVG_TAGS_RE
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Regex matching all the void svg tags ignoring the cases
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### HTML_ELEMENTS_HAVING_VALUE_ATTRIBUTE_RE
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Regex matching all the html tags where the value tag is allowed
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### BOOLEAN_ATTRIBUTES_RE
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Regex matching all the boolean attributes
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Type: [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
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### isVoid
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True if it's a self closing tag
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#### Parameters
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- `tag` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** test tag
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#### Examples
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```javascript
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isVoid('meta') // true
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isVoid('circle') // true
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isVoid('IMG') // true
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isVoid('div') // false
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isVoid('mask') // false
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```
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Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** true if void
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### isHtml
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True if it's a known HTML tag
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#### Parameters
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- `tag` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** test tag
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#### Examples
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```javascript
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isHtml('img') // true
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isHtml('IMG') // true
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isHtml('Img') // true
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isHtml('path') // false
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```
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Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** true if html tag
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### isSvg
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True if it's a known SVG tag
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#### Parameters
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- `tag` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** test tag
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#### Examples
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```javascript
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isSvg('g') // true
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isSvg('radialGradient') // true
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isSvg('radialgradient') // true
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isSvg('div') // false
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```
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Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** true if svg tag
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### isCustom
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True if it's not SVG nor a HTML known tag
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#### Parameters
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- `tag` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** test tag
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#### Examples
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```javascript
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isCustom('my-component') // true
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isCustom('div') // false
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```
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Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** true if custom element
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### hasValueAttribute
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True if the value attribute is allowed on this tag
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#### Parameters
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- `tag` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** test tag
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#### Examples
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```javascript
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hasValueAttribute('input') // true
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hasValueAttribute('div') // false
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```
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Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** true if the value attribute is allowed
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### isBoolAttribute
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True if it's a boolean attribute
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#### Parameters
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- `attribute` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** test attribute
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#### Examples
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```javascript
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isBoolAttribute('selected') // true
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isBoolAttribute('class') // false
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```
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Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** true if the attribute is a boolean type
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