Initial commit

node_modules/execa/lib/io/input-sync.js

@@ -0,0 +1,44 @@
+import {runGeneratorsSync} from '../transform/generator.js';
+import {joinToUint8Array, isUint8Array} from '../utils/uint-array.js';
+import {TYPE_TO_MESSAGE} from '../stdio/type.js';
+
+// Apply `stdin`/`input`/`inputFile` options, before spawning, in sync mode, by converting it to the `input` option
+export const addInputOptionsSync = (fileDescriptors, options) => {
+	for (const fdNumber of getInputFdNumbers(fileDescriptors)) {
+		addInputOptionSync(fileDescriptors, fdNumber, options);
+	}
+};
+
+const getInputFdNumbers = fileDescriptors => new Set(Object.entries(fileDescriptors)
+	.filter(([, {direction}]) => direction === 'input')
+	.map(([fdNumber]) => Number(fdNumber)));
+
+const addInputOptionSync = (fileDescriptors, fdNumber, options) => {
+	const {stdioItems} = fileDescriptors[fdNumber];
+	const allStdioItems = stdioItems.filter(({contents}) => contents !== undefined);
+	if (allStdioItems.length === 0) {
+		return;
+	}
+
+	if (fdNumber !== 0) {
+		const [{type, optionName}] = allStdioItems;
+		throw new TypeError(`Only the \`stdin\` option, not \`${optionName}\`, can be ${TYPE_TO_MESSAGE[type]} with synchronous methods.`);
+	}
+
+	const allContents = allStdioItems.map(({contents}) => contents);
+	const transformedContents = allContents.map(contents => applySingleInputGeneratorsSync(contents, stdioItems));
+	options.input = joinToUint8Array(transformedContents);
+};
+
+const applySingleInputGeneratorsSync = (contents, stdioItems) => {
+	const newContents = runGeneratorsSync(contents, stdioItems, 'utf8', true);
+	validateSerializable(newContents);
+	return joinToUint8Array(newContents);
+};
+
+const validateSerializable = newContents => {
+	const invalidItem = newContents.find(item => typeof item !== 'string' && !isUint8Array(item));
+	if (invalidItem !== undefined) {
+		throw new TypeError(`The \`stdin\` option is invalid: when passing objects as input, a transform must be used to serialize them to strings or Uint8Arrays: ${invalidItem}.`);
+	}
+};