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