Function writeFile

src/piper.js:2837–2850

(path, data, opts = {})

				return ret;
			},
			writeFile(path, data, opts = {}) {
				opts.flags = opts.flags || 577;
				var stream = FS.open(path, opts.flags, opts.mode);
				if (typeof data == 'string') {
					var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
					var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
					FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
				} else if (ArrayBuffer.isView(data)) {
					FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
				} else {
					throw new Error('Unsupported data type');
				}
				FS.close(stream);
			},
			cwd: () => FS.currentPath,
			chdir(path) {
				var lookup = FS.lookupPath(path, { follow: true });