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69 lines
3.0 KiB
69 lines
3.0 KiB
"use strict"; |
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/* |
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Copyright 2018 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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Object.defineProperty(exports, "__esModule", { value: true }); |
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exports.transformManifest = void 0; |
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const additional_manifest_entries_transform_1 = require("./additional-manifest-entries-transform"); |
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const errors_1 = require("./errors"); |
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const maximum_size_transform_1 = require("./maximum-size-transform"); |
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const modify_url_prefix_transform_1 = require("./modify-url-prefix-transform"); |
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const no_revision_for_urls_matching_transform_1 = require("./no-revision-for-urls-matching-transform"); |
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async function transformManifest({ additionalManifestEntries, dontCacheBustURLsMatching, fileDetails, manifestTransforms, maximumFileSizeToCacheInBytes, modifyURLPrefix, transformParam, }) { |
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const allWarnings = []; |
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// Take the array of fileDetail objects and convert it into an array of |
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// {url, revision, size} objects, with \ replaced with /. |
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const normalizedManifest = fileDetails.map((fileDetails) => { |
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return { |
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url: fileDetails.file.replace(/\\/g, '/'), |
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revision: fileDetails.hash, |
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size: fileDetails.size, |
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}; |
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}); |
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const transformsToApply = []; |
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if (maximumFileSizeToCacheInBytes) { |
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transformsToApply.push((0, maximum_size_transform_1.maximumSizeTransform)(maximumFileSizeToCacheInBytes)); |
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} |
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if (modifyURLPrefix) { |
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transformsToApply.push((0, modify_url_prefix_transform_1.modifyURLPrefixTransform)(modifyURLPrefix)); |
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} |
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if (dontCacheBustURLsMatching) { |
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transformsToApply.push((0, no_revision_for_urls_matching_transform_1.noRevisionForURLsMatchingTransform)(dontCacheBustURLsMatching)); |
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} |
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// Run any manifestTransforms functions second-to-last. |
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if (manifestTransforms) { |
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transformsToApply.push(...manifestTransforms); |
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} |
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// Run additionalManifestEntriesTransform last. |
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if (additionalManifestEntries) { |
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transformsToApply.push((0, additional_manifest_entries_transform_1.additionalManifestEntriesTransform)(additionalManifestEntries)); |
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} |
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let transformedManifest = normalizedManifest; |
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for (const transform of transformsToApply) { |
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const result = await transform(transformedManifest, transformParam); |
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if (!('manifest' in result)) { |
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throw new Error(errors_1.errors['bad-manifest-transforms-return-value']); |
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} |
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transformedManifest = result.manifest; |
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allWarnings.push(...(result.warnings || [])); |
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} |
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// Generate some metadata about the manifest before we clear out the size |
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// properties from each entry. |
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const count = transformedManifest.length; |
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let size = 0; |
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for (const manifestEntry of transformedManifest) { |
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size += manifestEntry.size || 0; |
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delete manifestEntry.size; |
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} |
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return { |
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count, |
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size, |
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manifestEntries: transformedManifest, |
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warnings: allWarnings, |
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}; |
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} |
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exports.transformManifest = transformManifest;
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