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assignChunkIds.ts
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assignChunkIds.ts
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import Chunk from '../Chunk';
import { InputOptions, OutputOptions } from '../rollup/types';
import { Addons } from './addons';
import { basename } from './path';
export function assignChunkIds(
chunks: Chunk[],
singleChunk: Chunk | void,
inputOptions: InputOptions,
outputOptions: OutputOptions,
inputBase: string,
addons: Addons
) {
const usedIds: Record<string, true> = {};
const [entryChunks, otherChunks] = chunks.reduce(
([entryChunks, otherChunks], chunk) => {
(chunk.facadeModule && chunk.facadeModule.isEntryPoint ? entryChunks : otherChunks).push(
chunk
);
return [entryChunks, otherChunks];
},
[[], []]
);
// make sure entry chunk names take precedence with regard to deconflicting
const chunksForNaming: Chunk[] = entryChunks.concat(otherChunks);
for (let i = 0; i < chunksForNaming.length; i++) {
const chunk = chunksForNaming[i];
if (chunk === singleChunk) {
singleChunk.id = basename(
outputOptions.file ||
(inputOptions.input instanceof Array ? inputOptions.input[0] : <string>inputOptions.input)
);
} else if (inputOptions.experimentalPreserveModules) {
chunk.generateIdPreserveModules(inputBase, usedIds);
} else {
let pattern, patternName;
if (chunk.facadeModule && chunk.facadeModule.isEntryPoint) {
pattern = outputOptions.entryFileNames || '[name].js';
patternName = 'output.entryFileNames';
} else {
pattern = outputOptions.chunkFileNames || '[name]-[hash].js';
patternName = 'output.chunkFileNames';
}
chunk.generateId(pattern, patternName, addons, outputOptions, usedIds);
}
usedIds[chunk.id] = true;
}
}