78 lines
3.1 KiB
JavaScript
78 lines
3.1 KiB
JavaScript
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"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.extractCssFromStyleNode = extractCssFromStyleNode;
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exports.isAmpBoilerplate = isAmpBoilerplate;
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exports.isComment = isComment;
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exports.isConditionalComment = isConditionalComment;
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exports.isEventHandler = isEventHandler;
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exports.isStyleNode = isStyleNode;
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exports.optionalImport = optionalImport;
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function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
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function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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function __transformExtension(filepath, extMapping) {
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if (!filepath.startsWith('./') && !filepath.startsWith('../')) {
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// Package import
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return filepath;
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}
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const idx = filepath.lastIndexOf('.');
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if (idx === -1 || filepath.includes('/', idx)) {
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// No extension
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const newExt = extMapping[''];
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if (newExt) {
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return filepath + newExt;
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}
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return filepath;
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}
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for (let [origExt, newExt] of Object.entries(extMapping).sort((a, b) => b[0].length - a[0].length)) {
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if (filepath.endsWith(origExt)) {
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return filepath.slice(0, -origExt.length) + newExt;
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}
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}
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return filepath;
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}
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const ampBoilerplateAttributes = ['amp-boilerplate', 'amp4ads-boilerplate', 'amp4email-boilerplate'];
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function isAmpBoilerplate(node) {
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if (!node.attrs) {
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return false;
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}
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for (const attr of ampBoilerplateAttributes) {
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if (attr in node.attrs) {
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return true;
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}
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}
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return false;
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}
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function isComment(content) {
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if (typeof content === 'string') {
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return content.trim().startsWith('<!--');
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}
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return false;
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}
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function isConditionalComment(content) {
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return (content || '').trim().startsWith('<!--[if');
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}
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function isStyleNode(node) {
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return node.tag === 'style' && !isAmpBoilerplate(node) && 'content' in node && node.content.length > 0;
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}
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function extractCssFromStyleNode(node) {
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return Array.isArray(node.content) ? node.content.join(' ') : node.content;
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}
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function isEventHandler(attributeName) {
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return attributeName && attributeName.slice && attributeName.slice(0, 2).toLowerCase() === 'on' && attributeName.length >= 5;
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}
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async function optionalImport(moduleName) {
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try {
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const module = await (specifier => new Promise(r => r(`${specifier}`)).then(s => _interopRequireWildcard(require(s))))(__transformExtension(moduleName, {
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".mjs": ".cjs"
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}));
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return module.default || module;
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} catch (e) {
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if (e.code === 'MODULE_NOT_FOUND' || e.code === 'ERR_MODULE_NOT_FOUND') {
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return null;
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}
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throw e;
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}
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}
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