Initial commit (from f5274cbdce4ae7c9e4b937dcdf95ac70ae436d5f)

node_modules/jest-changed-files/node_modules/execa/lib/command.js

@@ -0,0 +1,38 @@
+'use strict';
+const SPACES_REGEXP = / +/g;
+
+const joinCommand = (file, args = []) => {
+	if (!Array.isArray(args)) {
+		return file;
+	}
+
+	return [file, ...args].join(' ');
+};
+
+// Allow spaces to be escaped by a backslash if not meant as a delimiter
+const handleEscaping = (tokens, token, index) => {
+	if (index === 0) {
+		return [token];
+	}
+
+	const previousToken = tokens[tokens.length - 1];
+
+	if (previousToken.endsWith('\\')) {
+		return [...tokens.slice(0, -1), `${previousToken.slice(0, -1)} ${token}`];
+	}
+
+	return [...tokens, token];
+};
+
+// Handle `execa.command()`
+const parseCommand = command => {
+	return command
+		.trim()
+		.split(SPACES_REGEXP)
+		.reduce(handleEscaping, []);
+};
+
+module.exports = {
+	joinCommand,
+	parseCommand
+};