implemented basic client-server communication

node_modules/touch/bin/nodetouch.js

@@ -0,0 +1,112 @@
+#!/usr/bin/env node
+const touch = require("../index.js")
+
+const usage = code => {
+  console[code ? 'error' : 'log'](
+    'usage:\n' +
+    'touch [-acfm] [-r file] [-t [[CC]YY]MMDDhhmm[.SS]] file ...'
+  )
+  process.exit(code)
+}
+
+const singleFlags = {
+  a: 'atime',
+  m: 'mtime',
+  c: 'nocreate',
+  f: 'force'
+}
+
+const singleOpts = {
+  r: 'ref',
+  t: 'time'
+}
+
+const files = []
+const args = process.argv.slice(2)
+const options = {}
+for (let i = 0; i < args.length; i++) {
+  const arg = args[i]
+  if (!arg.match(/^-/)) {
+    files.push(arg)
+    continue
+  }
+
+  // expand shorthands
+  if (arg.charAt(1) !== '-') {
+    const expand = []
+    for (let f = 1; f < arg.length; f++) {
+      const fc = arg.charAt(f)
+      const sf = singleFlags[fc]
+      const so = singleOpts[fc]
+      if (sf)
+        expand.push('--' + sf)
+      else if (so) {
+        const soslice = arg.slice(f + 1)
+        const soval = soslice.charAt(0) === '=' ? soslice : '=' + soslice
+        expand.push('--' + so + soval)
+        f = arg.length
+      } else if (arg !== '-' + fc)
+        expand.push('-' + fc)
+    }
+    if (expand.length) {
+      args.splice.apply(args, [i, 1].concat(expand))
+      i--
+      continue
+    }
+  }
+
+  const argsplit = arg.split('=')
+  const key = argsplit.shift().replace(/^\-\-/, '')
+  const val = argsplit.length ? argsplit.join('=') : null
+
+  switch (key) {
+    case 'time':
+      const timestr = val || args[++i]
+      // [-t [[CC]YY]MMDDhhmm[.SS]]
+      const parsedtime = timestr.match(
+        /^(([0-9]{2})?([0-9]{2}))?([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})(\.([0-9]{2}))?$/
+      )
+      if (!parsedtime) {
+        console.error('touch: out of range or illegal ' +
+                      'time specification: ' +
+                      '[[CC]YY]MMDDhhmm[.SS]')
+        process.exit(1)
+      } else {
+        const y = +parsedtime[1]
+        const year = parsedtime[2] ? y
+          : y <= 68 ? 2000 + y
+          : 1900 + y
+
+        const MM = +parsedtime[4] - 1
+        const dd = +parsedtime[5]
+        const hh = +parsedtime[6]
+        const mm = +parsedtime[7]
+        const ss = +parsedtime[8]
+
+        options.time = new Date(Date.UTC(year, MM, dd, hh, mm, ss))
+      }
+      continue
+
+    case 'ref':
+      options.ref = val || args[++i]
+      continue
+
+    case 'mtime':
+    case 'nocreate':
+    case 'atime':
+    case 'force':
+      options[key] = true
+      continue
+
+    default:
+      console.error('touch: illegal option -- ' + arg)
+      usage(1)
+  }
+}
+
+if (!files.length)
+  usage()
+
+process.exitCode = 0
+Promise.all(files.map(f => touch(f, options)))
+  .catch(er => process.exitCode = 1)