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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | 1x 1x 1x 1x 1x 1x 1x 5x 5x 5x 1x 4x 4x 1x 3x 3x 1x 2x | /** * Creates an empty file. * Usage: touch new_file.txt */ import parseOptions from 'parser/option-parser'; import * as FileOp from 'fs/operations-with-permissions/file-operations'; import * as OutputFactory from 'emulator-output/output-factory'; import * as FileUtil from 'fs/util/file-util'; import { resolvePath } from 'emulator-state/util'; const EMPTY_FILE = FileUtil.makeFile(); export const optDef = {}; export default (state, commandOptions) => { const {argv} = parseOptions(commandOptions, optDef); if (argv.length === 0) { return {}; // do nothing if no arguments are given } const filePath = resolvePath(state, argv[0]); if (state.getFileSystem().has(filePath)) { return {}; // do nothing if already has a file at the provided path } const {fs, err} = FileOp.writeFile(state.getFileSystem(), filePath, EMPTY_FILE); if (err) { return { output: OutputFactory.makeErrorOutput(err) }; } return { state: state.setFileSystem(fs) }; }; |