Initial commit

node_modules/execa/lib/transform/run-sync.js

@@ -0,0 +1,50 @@
+// 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;
+};