node_modules

node_modules/execa/lib/errname.js

@@ -0,0 +1,39 @@
+'use strict';
+// Older verions of Node.js might not have `util.getSystemErrorName()`.
+// In that case, fall back to a deprecated internal.
+const util = require('util');
+
+let uv;
+
+if (typeof util.getSystemErrorName === 'function') {
+	module.exports = util.getSystemErrorName;
+} else {
+	try {
+		uv = process.binding('uv');
+
+		if (typeof uv.errname !== 'function') {
+			throw new TypeError('uv.errname is not a function');
+		}
+	} catch (err) {
+		console.error('execa/lib/errname: unable to establish process.binding(\'uv\')', err);
+		uv = null;
+	}
+
+	module.exports = code => errname(uv, code);
+}
+
+// Used for testing the fallback behavior
+module.exports.__test__ = errname;
+
+function errname(uv, code) {
+	if (uv) {
+		return uv.errname(code);
+	}
+
+	if (!(code < 0)) {
+		throw new Error('err >= 0');
+	}
+
+	return `Unknown system error ${code}`;
+}
+

node_modules/execa/lib/stdio.js

@@ -0,0 +1,41 @@
+'use strict';
+const alias = ['stdin', 'stdout', 'stderr'];
+
+const hasAlias = opts => alias.some(x => Boolean(opts[x]));
+
+module.exports = opts => {
+	if (!opts) {
+		return null;
+	}
+
+	if (opts.stdio && hasAlias(opts)) {
+		throw new Error(`It's not possible to provide \`stdio\` in combination with one of ${alias.map(x => `\`${x}\``).join(', ')}`);
+	}
+
+	if (typeof opts.stdio === 'string') {
+		return opts.stdio;
+	}
+
+	const stdio = opts.stdio || [];
+
+	if (!Array.isArray(stdio)) {
+		throw new TypeError(`Expected \`stdio\` to be of type \`string\` or \`Array\`, got \`${typeof stdio}\``);
+	}
+
+	const result = [];
+	const len = Math.max(stdio.length, alias.length);
+
+	for (let i = 0; i < len; i++) {
+		let value = null;
+
+		if (stdio[i] !== undefined) {
+			value = stdio[i];
+		} else if (opts[alias[i]] !== undefined) {
+			value = opts[alias[i]];
+		}
+
+		result[i] = value;
+	}
+
+	return result;
+};