Initial commit

node_modules/execa/lib/methods/command.js

@@ -0,0 +1,43 @@
+// Main logic for `execaCommand()`
+export const mapCommandAsync = ({file, commandArguments}) => parseCommand(file, commandArguments);
+
+// Main logic for `execaCommandSync()`
+export const mapCommandSync = ({file, commandArguments}) => ({...parseCommand(file, commandArguments), isSync: true});
+
+// Convert `execaCommand(command)` into `execa(file, ...commandArguments)`
+const parseCommand = (command, unusedArguments) => {
+	if (unusedArguments.length > 0) {
+		throw new TypeError(`The command and its arguments must be passed as a single string: ${command} ${unusedArguments}.`);
+	}
+
+	const [file, ...commandArguments] = parseCommandString(command);
+	return {file, commandArguments};
+};
+
+// Convert `command` string into an array of file or arguments to pass to $`${...fileOrCommandArguments}`
+export const parseCommandString = command => {
+	if (typeof command !== 'string') {
+		throw new TypeError(`The command must be a string: ${String(command)}.`);
+	}
+
+	const trimmedCommand = command.trim();
+	if (trimmedCommand === '') {
+		return [];
+	}
+
+	const tokens = [];
+	for (const token of trimmedCommand.split(SPACES_REGEXP)) {
+		// Allow spaces to be escaped by a backslash if not meant as a delimiter
+		const previousToken = tokens.at(-1);
+		if (previousToken && previousToken.endsWith('\\')) {
+			// Merge previous token with current one
+			tokens[tokens.length - 1] = `${previousToken.slice(0, -1)} ${token}`;
+		} else {
+			tokens.push(token);
+		}
+	}
+
+	return tokens;
+};
+
+const SPACES_REGEXP = / +/g;