tag-shell - npm Package Compare versions

Comparing version 0.1.0 to 0.2.0

index.js

 'use strict';
-const tag = (spawn, options) => function(arg) {
-  if (!Array.isArray(arg)) return tag(spawn, arg);
+const cp = require('child_process');
+const makeTag = (fn, opts) => function(first) {
+  if (!Array.isArray(first)) {
+    return tag(fn, Object.assign({}, opts, first));
+  }
 
   const args = [];
 
-  arg.forEach((string, index) => {
+  first.forEach((string, index) => {
     string.split(/\s+/).forEach(arg => {
@@ -13,12 +16,35 @@ if (arg) args.push(arg);
     const arg = arguments[index + 1];
-    if (arg != null) args.push(arg);
+    if (arg == null) return;
+
+    args.push(/\S$/.test(string)
+      ? args.pop() + arg
+      : arg
+    );
   });
 
-  const cmd = args.shift();
+  return fn(args, opts);
+};
 
-  return spawn(cmd, args, options);
+const spawn = (args, opts) => cp.spawn(args.shift(), args, opts);
+const spawnSync = (args, opts) => cp.spawnSync(args.shift(), args, opts);
+
+const promise = (args, opts) => {
+  let out = '';
+  let err = '';
+
+  return new Promise((resolve, reject) => {
+    const proc = spawn(args, opts);
+
+    proc.on('exit', code => {
+      if (code) reject(err.trim());
+      else resolve(out.trim());
+    });
+
+    proc.stdout.on('data', data => out += data);
+    proc.stderr.on('data', data => err += data);
+  });
 };
 
-const sync = function() {
-  const proc = cp.spawnSync.apply(cp, arguments);
+const sync = (args, opts) => {
+  const proc = spawnSync(args, opts);
   if (proc.error) throw proc.error;
@@ -30,7 +56,8 @@ if (proc.status) throw new Error(`${proc.stderr}`.trim());
 
-const cp = require('child_process');
-const sh = tag(sync);
-sh.sync = sh;
-sh.async = tag(cp.spawn);
+const sh = makeTag(promise);
+sh.sync = makeTag(sync);
+sh.sync.spawn = makeTag(spawnSync);
+sh.spawn = makeTag(spawn);
+sh.makeTag = makeTag;
 
 module.exports = sh;

package.json

 {
   "name": "tag-shell",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Use ES6 template tags for your node.js shell commands.",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "mocha -r chai/register-should"
   },
@@ -22,3 +22,7 @@ "repository": {
   },
-  "homepage": "https://github.com/paulmillr/tag-shell#readme"
+  "homepage": "https://github.com/paulmillr/tag-shell#readme",
+  "devDependencies": {
+    "chai": "chaijs/chai",
+    "mocha": "^3.2.0"
+  }
 }

README.md

@@ -5,8 +5,18 @@ # tag-shell
 
+Using *backticks* is important and the package won't work otherwise.
+
 ```javascript
 const sh = require('tag-shell');
 const opts = {app: 'App', icon: 'icon.png'};
+
+// Async.
 sh.async`notify-send -a ${opts.app}
   -i ${opts.icon}
 `;
+
+// Streaming.
+sh.spawn`node -v`.stdout.on('data', data => console.log(data.toString()))
+
+// Sync.
+const version = sh`node -v`;
 ```
@@ -13,0 +23,0 @@

Fixed alerts

No tests

Quality

Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

12208

681.56%

Number of package files

6

100%

Lines of code

91

264%

Number of low quality alerts

1

-50%

Number of lines in readme file

26

62.5%

Worsened metrics

Dev dependency count

2

Infinity%

No dependency changes