125 lines
No EOL
4.6 KiB
JavaScript
Executable file
125 lines
No EOL
4.6 KiB
JavaScript
Executable file
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
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function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
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function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
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const Packager = require('./Packager');
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const posthtml = require('posthtml');
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const path = require('path');
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const urlJoin = require('../utils/urlJoin'); // https://www.w3.org/TR/html5/dom.html#metadata-content-2
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const metadataContent = new Set(['base', 'link', 'meta', 'noscript', 'script', 'style', 'template', 'title']);
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class HTMLPackager extends Packager {
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static shouldAddAsset() {
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// We cannot combine multiple HTML files together - they should be written as separate bundles.
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return false;
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}
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addAsset(asset) {
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var _this = this;
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return (0, _asyncToGenerator2.default)(function* () {
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let html = asset.generated.html || ''; // Find child bundles that have JS or CSS sibling bundles,
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// add them to the head so they are loaded immediately.
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let siblingBundles = Array.from(_this.bundle.childBundles).reduce((p, b) => p.concat([...b.siblingBundles.values()]), []).filter(b => b.type === 'css' || b.type === 'js');
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if (siblingBundles.length > 0) {
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html = posthtml(_this.insertSiblingBundles.bind(_this, siblingBundles)).process(html, {
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sync: true
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}).html;
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}
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yield _this.write(html);
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})();
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}
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addBundlesToTree(bundles, tree) {
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const head = find(tree, 'head');
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if (head) {
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const content = head.content || (head.content = []);
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content.push(...bundles);
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return;
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}
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const html = find(tree, 'html');
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const content = html ? html.content || (html.content = []) : tree;
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const index = findBundleInsertIndex(content);
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content.splice(index, 0, ...bundles);
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}
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insertSiblingBundles(siblingBundles, tree) {
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const bundles = [];
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var _iterator = _createForOfIteratorHelper(siblingBundles),
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_step;
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try {
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for (_iterator.s(); !(_step = _iterator.n()).done;) {
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let bundle = _step.value;
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if (bundle.type === 'css') {
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bundles.push({
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tag: 'link',
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attrs: {
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rel: 'stylesheet',
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href: urlJoin(this.options.publicURL, path.basename(bundle.name))
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}
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});
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} else if (bundle.type === 'js') {
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bundles.push({
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tag: 'script',
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attrs: {
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src: urlJoin(this.options.publicURL, path.basename(bundle.name))
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}
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});
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}
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}
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} catch (err) {
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_iterator.e(err);
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} finally {
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_iterator.f();
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}
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this.addBundlesToTree(bundles, tree);
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}
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}
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function find(tree, tag) {
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let res;
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tree.match({
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tag
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}, node => {
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res = node;
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return node;
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});
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return res;
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}
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function findBundleInsertIndex(content) {
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for (let index = 0; index < content.length; index++) {
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const node = content[index];
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if (node && node.tag && !metadataContent.has(node.tag)) {
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return index;
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}
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}
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return 0;
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}
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module.exports = HTMLPackager; |