120 lines
3.6 KiB
JavaScript
120 lines
3.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.onAttrs = onAttrs;
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const caseInsensitiveAttributes = {
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autocomplete: ['form'],
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charset: ['meta', 'script'],
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contenteditable: null,
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crossorigin: ['audio', 'img', 'link', 'script', 'video'],
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dir: null,
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draggable: null,
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dropzone: null,
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formmethod: ['button', 'input'],
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inputmode: ['input', 'textarea'],
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kind: ['track'],
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method: ['form'],
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preload: ['audio', 'video'],
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referrerpolicy: null,
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sandbox: ['iframe'],
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spellcheck: null,
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scope: ['th'],
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shape: ['area'],
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sizes: ['link'],
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step: ['input'],
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translate: null,
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type: ['a', 'link', 'button', 'embed', 'object', 'script', 'source', 'style', 'input', 'menu', 'menuitem'],
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wrap: ['textarea']
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};
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// https://html.spec.whatwg.org/#invalid-value-default
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/** @typedef { [key: string]: { tag: null | string[], default: string, valid: string[] } } */
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const invalidValueDefault = {
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crossorigin: {
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tag: null,
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default: 'anonymous',
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valid: ['', 'anonymous', 'use-credentials']
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},
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// https://html.spec.whatwg.org/#referrer-policy-attributes
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// The attribute's invalid value default and missing value default are both the empty string state.
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referrerpolicy: {
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tag: null,
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default: '',
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valid: ['', 'url', 'origin', 'no-referrer', 'no-referrer-when-downgrade', 'same-origin', 'origin-when-cross-origin', 'strict-origin-when-cross-origin', 'unsafe-url']
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},
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// https://html.spec.whatwg.org/#lazy-loading-attributes
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loading: {
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tag: ['img', 'iframe'],
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default: 'eager',
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valid: ['lazy', 'eager']
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},
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// https://html.spec.whatwg.org/#the-img-element
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// https://html.spec.whatwg.org/#image-decoding-hint
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decoding: {
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tag: ['img'],
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default: 'auto',
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valid: ['auto', 'sync', 'async']
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},
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// https://html.spec.whatwg.org/#the-track-element
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kind: {
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tag: ['track'],
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default: 'metadata',
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valid: ['subtitles', 'captions', 'descriptions', 'chapters', 'metadata']
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},
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type: {
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tag: ['button'],
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default: 'submit',
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valid: ['submit', 'reset', 'button']
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},
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wrap: {
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tag: ['textarea'],
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default: 'soft',
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valid: ['soft', 'hard']
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},
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// https://html.spec.whatwg.org/#the-hidden-attribute
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hidden: {
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tag: null,
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default: 'hidden',
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valid: ['hidden', 'until-found']
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},
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// https://html.spec.whatwg.org/#autocapitalization
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autocapitalize: {
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tag: null,
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default: 'sentences',
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valid: ['none', 'off', 'on', 'sentences', 'words', 'characters']
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},
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// https://html.spec.whatwg.org/#the-marquee-element
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behavior: {
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tag: ['marquee'],
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default: 'scroll',
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valid: ['scroll', 'slide', 'alternate']
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},
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direction: {
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tag: ['marquee'],
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default: 'left',
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valid: ['left', 'right', 'up', 'down']
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}
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};
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function onAttrs() {
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return (attrs, node) => {
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const newAttrs = attrs;
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Object.entries(attrs).forEach(([attrName, attrValue]) => {
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let newAttrValue = attrValue;
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if (Object.hasOwnProperty.call(caseInsensitiveAttributes, attrName) && (caseInsensitiveAttributes[attrName] === null || caseInsensitiveAttributes[attrName].includes(node.tag))) {
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newAttrValue = typeof attrValue.toLowerCase === 'function' ? attrValue.toLowerCase() : attrValue;
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}
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if (Object.hasOwnProperty.call(invalidValueDefault, attrName)) {
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const meta = invalidValueDefault[attrName];
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if (meta.tag === null || node && node.tag && meta.tag.includes(node.tag)) {
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if (!meta.valid.includes(newAttrValue)) {
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newAttrValue = meta.default;
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}
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}
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}
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newAttrs[attrName] = newAttrValue;
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});
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return newAttrs;
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};
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} |