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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| /* eslint-disable no-restricted-syntax, no-continue, no-await-in-loop */ | ||
| /** | ||
| * @link https://github.com/studiometa/twig-toolkit | ||
| * @copyright Studio Meta | ||
| * @license https://github.com/studiometa/twig-toolkit/blob/master/LICENSE | ||
| */ | ||
| import toKebab from 'kebab-case'; | ||
|
|
||
| /** | ||
| * @typdef {string | Record<string, boolean> | Record<number, Classes>} Classes | ||
| */ | ||
|
|
||
| /** | ||
| * Html class. | ||
| */ | ||
| export default class Html { | ||
| static SELF_CLOSING_TAGS = [ | ||
| 'area', | ||
| 'base', | ||
| 'br', | ||
| 'col', | ||
| 'command', | ||
| 'embed', | ||
| 'hr', | ||
| 'img', | ||
| 'input', | ||
| 'keygen', | ||
| 'link', | ||
| 'meta', | ||
| 'param', | ||
| 'source', | ||
| 'track', | ||
| 'wbr', | ||
| ]; | ||
|
|
||
| /** | ||
| * Render classes. | ||
| * @param {Classes} classes | ||
| * @return {string} | ||
| */ | ||
| static renderClass(classes) { | ||
| if (!classes) { | ||
| return ''; | ||
| } | ||
|
|
||
| if (typeof classes === 'string') { | ||
| return classes; | ||
| } | ||
|
|
||
| if (Array.isArray(classes)) { | ||
| return classes.map((c) => Html.renderClass(c)).join(' '); | ||
| } | ||
|
|
||
| return Object.entries(classes) | ||
| .reduce((acc, [key, value]) => { | ||
| if (value && key !== '_keys') { | ||
| acc.push(key); | ||
| } | ||
|
|
||
| return acc; | ||
| }, []) | ||
| .join(' '); | ||
| } | ||
|
|
||
| /** | ||
| * Render a style attribute. | ||
| * @param {Record<string, string|number>} styles | ||
| * @return {string} | ||
| */ | ||
| static renderStyleAttribute(styles) { | ||
| if (!styles) { | ||
| return ''; | ||
| } | ||
|
|
||
| const renderedStyles = []; | ||
|
|
||
| for (const [key, value] of Object.entries(styles)) { | ||
| if (key === '_keys' || (typeof value === 'boolean' && !value) || value === '') { | ||
| continue; | ||
| } | ||
| renderedStyles.push(`${toKebab(key)}: ${value};`); | ||
| } | ||
| return renderedStyles.join(' '); | ||
| } | ||
|
|
||
| /** | ||
| * Render attributes. | ||
| * | ||
| * @param {Record<string, any>} attributes | ||
| * @return {string} | ||
| */ | ||
| static renderAttributes(attributes) { | ||
| if (!attributes) { | ||
| return ''; | ||
| } | ||
|
|
||
| const renderedAttributes = ['']; | ||
|
|
||
| for (let [key, value] of Object.entries(attributes)) { | ||
| if (key === '_keys') { | ||
| continue; | ||
| } | ||
|
|
||
| key = toKebab(key); | ||
| if (typeof value === 'boolean') { | ||
| if (value) { | ||
| renderedAttributes.push(key); | ||
| } | ||
| continue; | ||
| } | ||
| if (key === 'class') { | ||
| value = Html.renderClass(value); | ||
| } | ||
| if (key === 'style' && typeof value !== 'string') { | ||
| value = Html.renderStyleAttribute(value); | ||
| } | ||
| if (typeof value !== 'string') { | ||
| if (value instanceof Map) { | ||
| value = JSON.stringify(Html.mapToObject(value)); | ||
| } else { | ||
| value = JSON.stringify(value); | ||
| } | ||
| } | ||
|
|
||
| renderedAttributes.push(`${key}="${value}"`); | ||
| } | ||
|
|
||
| return renderedAttributes.join(' '); | ||
| } | ||
|
|
||
| /** | ||
| * Convert a map to an object. | ||
| * | ||
| * @param {Map} map | ||
| * @return {Record<string, any>} | ||
| */ | ||
| static mapToObject(map) { | ||
| const obj = {}; | ||
| for (const [key, value] of map.entries()) { | ||
| if (value instanceof Map) { | ||
| obj[key] = Html.mapToObject(value); | ||
| } else { | ||
| obj[key] = value; | ||
| } | ||
| } | ||
| return obj; | ||
| } | ||
|
|
||
| /** | ||
| * Render a tag. | ||
| * | ||
| * @param {string} name | ||
| * @param {Record<string, any>} attributes | ||
| * @param {string} content | ||
| * @return {string} | ||
| */ | ||
| static renderTag(name, attributes, content = '') { | ||
| const formattedAttributes = Html.renderAttributes(attributes); | ||
| if (Html.SELF_CLOSING_TAGS.includes(name)) { | ||
| return `<${name}${formattedAttributes} />`; | ||
| } | ||
| return `<${name}${formattedAttributes}>\n${content}\n</${name}>`; | ||
| } | ||
| } |