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- // Duplicate the code from `run-async.js` but as synchronous functions
- export const pushChunksSync = (getChunksSync, getChunksArguments, transformStream, done) => {
- try {
- for (const chunk of getChunksSync(...getChunksArguments)) {
- transformStream.push(chunk);
- }
- done();
- } catch (error) {
- done(error);
- }
- };
- // Run synchronous generators with `execaSync()`
- export const runTransformSync = (generators, chunks) => [
- ...chunks.flatMap(chunk => [...transformChunkSync(chunk, generators, 0)]),
- ...finalChunksSync(generators),
- ];
- export const transformChunkSync = function * (chunk, generators, index) {
- if (index === generators.length) {
- yield chunk;
- return;
- }
- const {transform = identityGenerator} = generators[index];
- for (const transformedChunk of transform(chunk)) {
- yield * transformChunkSync(transformedChunk, generators, index + 1);
- }
- };
- export const finalChunksSync = function * (generators) {
- for (const [index, {final}] of Object.entries(generators)) {
- yield * generatorFinalChunksSync(final, Number(index), generators);
- }
- };
- const generatorFinalChunksSync = function * (final, index, generators) {
- if (final === undefined) {
- return;
- }
- for (const finalChunk of final()) {
- yield * transformChunkSync(finalChunk, generators, index + 1);
- }
- };
- const identityGenerator = function * (chunk) {
- yield chunk;
- };
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