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52 lines
2.2 KiB
52 lines
2.2 KiB
2 years ago
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"use strict";
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/*
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Copyright 2019 Google LLC
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Use of this source code is governed by an MIT-style
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license that can be found in the LICENSE file or at
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https://opensource.org/licenses/MIT.
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*/
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getSourcemapAssetName = void 0;
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const get_source_map_url_1 = require("workbox-build/build/lib/get-source-map-url");
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const upath_1 = __importDefault(require("upath"));
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/**
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* If our bundled swDest file contains a sourcemap, we would invalidate that
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* mapping if we just replaced injectionPoint with the stringified manifest.
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* Instead, we need to update the swDest contents as well as the sourcemap
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* at the same time.
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*
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* See https://github.com/GoogleChrome/workbox/issues/2235
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*
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* @param {Object} compilation The current webpack compilation.
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* @param {string} swContents The contents of the swSrc file, which may or
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* may not include a valid sourcemap comment.
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* @param {string} swDest The configured swDest value.
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* @return {string|undefined} If the swContents contains a valid sourcemap
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* comment pointing to an asset present in the compilation, this will return the
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* name of that asset. Otherwise, it will return undefined.
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*
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* @private
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*/
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function getSourcemapAssetName(compilation, swContents, swDest) {
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const url = (0, get_source_map_url_1.getSourceMapURL)(swContents);
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if (url) {
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// Translate the relative URL to what the presumed name for the webpack
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// asset should be.
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// This *might* not be a valid asset if the sourcemap URL that was found
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// was added by another module incidentally.
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// See https://github.com/GoogleChrome/workbox/issues/2250
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const swAssetDirname = upath_1.default.dirname(swDest);
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const sourcemapURLAssetName = upath_1.default.normalize(upath_1.default.join(swAssetDirname, url));
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// Not sure if there's a better way to check for asset existence?
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if (compilation.getAsset(sourcemapURLAssetName)) {
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return sourcemapURLAssetName;
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}
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}
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return undefined;
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}
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exports.getSourcemapAssetName = getSourcemapAssetName;
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