/**
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* @license
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* Copyright 2018 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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module.exports = function doesChunkBelongToHtml ({ chunk, htmlAssetsChunks, compilation }) {
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// Get all the hashes of the HTML assets.
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const rootHashes = Object.values(htmlAssetsChunks).map(({ hash }) => hash)
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// Get a list of chunk groups that contain one of those hashes.
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const rootChunkGroups = compilation.chunkGroups.filter((chunkGroup) => {
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return chunkGroup.chunks.filter((chunk) => rootHashes.includes(chunk.renderedHash))
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})
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// Get an id for each of those chunk groups.
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const rootChunkGroupsIds = new Set(rootChunkGroups.map(({ id }) => id))
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// Return true iff the chunk we're passed belongs to a group whose id is in
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// the list of root chunk groups.
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return Array.from(chunk.groupsIterable).some(({ id }) => rootChunkGroupsIds.has(id))
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}
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