320 lines
12 KiB
JavaScript
320 lines
12 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.default = void 0;
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exports.getSpecifier = getSpecifier;
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function _lightningcss() {
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const data = _interopRequireWildcard(require("lightningcss"));
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_lightningcss = function () {
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return data;
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};
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return data;
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}
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function _assert() {
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const data = _interopRequireDefault(require("assert"));
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_assert = function () {
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return data;
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};
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return data;
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}
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function _nullthrows() {
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const data = _interopRequireDefault(require("nullthrows"));
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_nullthrows = function () {
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return data;
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};
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return data;
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}
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function _sourceMap() {
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const data = _interopRequireDefault(require("@parcel/source-map"));
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_sourceMap = function () {
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return data;
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};
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return data;
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}
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function _plugin() {
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const data = require("@parcel/plugin");
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_plugin = function () {
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return data;
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};
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return data;
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}
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function _diagnostic() {
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const data = require("@parcel/diagnostic");
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_diagnostic = function () {
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return data;
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};
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return data;
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}
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function _utils() {
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const data = require("@parcel/utils");
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_utils = function () {
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return data;
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};
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return data;
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}
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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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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// $FlowFixMe - init for browser build.
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var _default = exports.default = new (_plugin().Packager)({
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async package({
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bundle,
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bundleGraph,
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getInlineBundleContents,
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getSourceMapReference,
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logger,
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options
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}) {
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// Inline style attributes are parsed differently from full CSS files.
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if (bundle.bundleBehavior === 'inline') {
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let entry = bundle.getMainEntry();
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if ((entry === null || entry === void 0 ? void 0 : entry.meta.type) === 'attr') {
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return replaceReferences(bundle, bundleGraph, await entry.getCode(), await entry.getMap(), getInlineBundleContents);
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}
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}
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let queue = new (_utils().PromiseQueue)({
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maxConcurrent: 32
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});
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let hoistedImports = [];
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let assetsByPlaceholder = new Map();
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let entry = null;
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let entryContents = '';
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bundle.traverse({
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enter: (node, context) => {
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if (node.type === 'asset' && !context) {
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// If there is only one entry, we'll use it directly.
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// Otherwise, we'll create a fake bundle entry with @import rules for each root asset.
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if (entry == null) {
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entry = node.value.id;
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} else {
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entry = bundle.id;
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}
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assetsByPlaceholder.set(node.value.id, node.value);
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entryContents += `@import "${node.value.id}";\n`;
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}
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return true;
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},
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exit: node => {
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if (node.type === 'dependency') {
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let resolved = bundleGraph.getResolvedAsset(node.value, bundle);
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// Hoist unresolved external dependencies (i.e. http: imports)
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if (node.value.priority === 'sync' && !bundleGraph.isDependencySkipped(node.value) && !resolved) {
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hoistedImports.push(node.value.specifier);
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}
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if (resolved && bundle.hasAsset(resolved)) {
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var _node$value$meta$plac;
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assetsByPlaceholder.set((_node$value$meta$plac = node.value.meta.placeholder) !== null && _node$value$meta$plac !== void 0 ? _node$value$meta$plac : node.value.specifier, resolved);
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}
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return;
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}
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let asset = node.value;
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queue.add(() => {
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var _asset$astGenerator;
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if (!asset.symbols.isCleared && options.mode === 'production' && ((_asset$astGenerator = asset.astGenerator) === null || _asset$astGenerator === void 0 ? void 0 : _asset$astGenerator.type) === 'postcss') {
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// a CSS Modules asset
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return processCSSModule(options, logger, bundleGraph, bundle, asset);
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} else {
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return Promise.all([asset, asset.getCode().then(css => {
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// Replace CSS variable references with resolved symbols.
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if (asset.meta.hasReferences) {
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let replacements = new Map();
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for (let dep of asset.getDependencies()) {
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for (let [exported, {
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local
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}] of dep.symbols) {
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let resolved = bundleGraph.getResolvedAsset(dep, bundle);
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if (resolved) {
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let resolution = bundleGraph.getSymbolResolution(resolved, exported, bundle);
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if (resolution.symbol) {
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replacements.set(local, resolution.symbol);
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}
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}
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}
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}
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if (replacements.size > 0) {
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let regex = new RegExp([...replacements.keys()].join('|'), 'g');
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css = css.replace(regex, m => escapeDashedIdent(replacements.get(m) || m));
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}
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}
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return css;
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}), bundle.env.sourceMap ? asset.getMap() : null]);
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}
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});
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}
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});
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let outputs = new Map((await queue.run()).map(([asset, code, map]) => [asset, [code, map]]));
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let map = new (_sourceMap().default)(options.projectRoot);
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// $FlowFixMe
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if (process.browser) {
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await (0, _lightningcss().default)();
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}
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let res = await (0, _lightningcss().bundleAsync)({
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filename: (0, _nullthrows().default)(entry),
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sourceMap: !!bundle.env.sourceMap,
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resolver: {
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resolve(specifier) {
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return specifier;
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},
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async read(file) {
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if (file === bundle.id) {
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return entryContents;
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}
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let asset = assetsByPlaceholder.get(file);
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if (!asset) {
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return '';
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}
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let [code, map] = (0, _nullthrows().default)(outputs.get(asset));
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if (map) {
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let sm = await map.stringify({
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format: 'inline'
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});
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(0, _assert().default)(typeof sm === 'string');
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code += `\n/*# sourceMappingURL=${sm} */`;
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}
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return code;
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}
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}
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});
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let contents = res.code.toString();
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if (res.map) {
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let vlqMap = JSON.parse(res.map.toString());
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map.addVLQMap(vlqMap);
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let reference = await getSourceMapReference(map);
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if (reference != null) {
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contents += '/*# sourceMappingURL=' + reference + ' */\n';
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}
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}
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// Prepend hoisted external imports.
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if (hoistedImports.length > 0) {
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let lineOffset = 0;
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let hoistedCode = '';
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for (let url of hoistedImports) {
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hoistedCode += `@import "${url}";\n`;
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lineOffset++;
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}
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if (bundle.env.sourceMap) {
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map.offsetLines(1, lineOffset);
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}
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contents = hoistedCode + contents;
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}
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return replaceReferences(bundle, bundleGraph, contents, map, getInlineBundleContents);
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}
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});
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function replaceReferences(bundle, bundleGraph, contents, map, getInlineBundleContents) {
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({
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contents,
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map
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} = (0, _utils().replaceURLReferences)({
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bundle,
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bundleGraph,
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contents,
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map,
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getReplacement: escapeString
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}));
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return (0, _utils().replaceInlineReferences)({
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bundle,
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bundleGraph,
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contents,
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getInlineBundleContents,
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getInlineReplacement: (dep, inlineType, contents) => ({
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from: getSpecifier(dep),
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to: escapeString(contents)
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}),
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map
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});
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}
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function getSpecifier(dep) {
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if (typeof dep.meta.placeholder === 'string') {
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return dep.meta.placeholder;
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}
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return dep.id;
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}
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function escapeString(contents) {
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return contents.replace(/(["\\])/g, '\\$1');
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}
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async function processCSSModule(options, logger, bundleGraph, bundle, asset) {
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var _await$asset$getAST;
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let postcss = await options.packageManager.require('postcss', options.projectRoot + '/index', {
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range: '^8.4.5',
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saveDev: true,
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shouldAutoInstall: options.shouldAutoInstall
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});
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let ast = postcss.fromJSON((0, _nullthrows().default)((_await$asset$getAST = await asset.getAST()) === null || _await$asset$getAST === void 0 ? void 0 : _await$asset$getAST.program));
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let usedSymbols = bundleGraph.getUsedSymbols(asset);
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if (usedSymbols != null) {
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let localSymbols = new Set([...asset.symbols].map(([, {
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local
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}]) => `.${local}`));
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let defaultImport = null;
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if (usedSymbols.has('default')) {
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let incoming = bundleGraph.getIncomingDependencies(asset);
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defaultImport = incoming.find(d => d.symbols.hasExportSymbol('default'));
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if (defaultImport) {
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var _defaultImport$symbol, _loc$filePath;
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let loc = (_defaultImport$symbol = defaultImport.symbols.get('default')) === null || _defaultImport$symbol === void 0 ? void 0 : _defaultImport$symbol.loc;
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logger.warn({
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message: 'CSS modules cannot be tree shaken when imported with a default specifier',
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...(loc && {
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codeFrames: [{
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filePath: (0, _nullthrows().default)((_loc$filePath = loc === null || loc === void 0 ? void 0 : loc.filePath) !== null && _loc$filePath !== void 0 ? _loc$filePath : defaultImport.sourcePath),
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codeHighlights: [(0, _diagnostic().convertSourceLocationToHighlight)(loc)]
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}]
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}),
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hints: [`Instead do: import * as style from "${defaultImport.specifier}";`],
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documentationURL: 'https://parceljs.org/languages/css/#tree-shaking'
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});
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}
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}
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if (!defaultImport && !usedSymbols.has('*')) {
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let usedLocalSymbols = new Set([...usedSymbols].map(exportSymbol => `.${(0, _nullthrows().default)(asset.symbols.get(exportSymbol)).local}`));
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ast.walkRules(rule => {
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if (localSymbols.has(rule.selector) && !usedLocalSymbols.has(rule.selector)) {
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rule.remove();
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}
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});
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}
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}
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let {
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content,
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map
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} = await postcss().process(ast, {
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from: undefined,
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to: options.projectRoot + '/index',
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map: {
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annotation: false,
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inline: false
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},
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// Pass postcss's own stringifier to it to silence its warning
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// as we don't want to perform any transformations -- only generate
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stringifier: postcss.stringify
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});
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let sourceMap;
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if (bundle.env.sourceMap && map != null) {
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sourceMap = new (_sourceMap().default)(options.projectRoot);
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sourceMap.addVLQMap(map.toJSON());
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}
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return [asset, content, sourceMap];
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}
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function escapeDashedIdent(name) {
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// https://drafts.csswg.org/cssom/#serialize-an-identifier
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let res = '';
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for (let c of name) {
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let code = c.codePointAt(0);
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if (code === 0) {
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res += '\ufffd';
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} else if (code >= 0x1 && code <= 0x1f || code === 0x7f) {
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res += '\\' + code.toString(16) + ' ';
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} else if (code >= 48 /* '0' */ && code <= 57 /* '9' */ || code >= 65 /* 'A' */ && code <= 90 /* 'Z' */ || code >= 97 /* 'a' */ && code <= 122 /* 'z' */ || code === 95 /* '_' */ || code === 45 /* '-' */ || code & 128 // non-ascii
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) {
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res += c;
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} else {
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res += '\\' + c;
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}
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}
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return res;
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} |