tack-on - npm Package Compare versions

Comparing version 0.0.0 to 0.1.0

lib/index.js

@@ -1,2 +0,2 @@
-"use strict";
+'use strict';
 
@@ -6,20 +6,21 @@ Object.defineProperty(exports, "__esModule", {
 });
-var _this = undefined;
 
-var tack = exports.tack = function tack(func) {
-  return function () {
-    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
-      args[_key] = arguments[_key];
-    }
+var _tack = require('./tack');
 
-    return this === _this ? func.apply(undefined, args) // bound to the global obj
-    : func.apply(undefined, [this].concat(args)) // bound to something intersting
-    ;
-  };
-};
+Object.defineProperty(exports, 'tack', {
+  enumerable: true,
+  get: function get() {
+    return _interopRequireDefault(_tack).default;
+  }
+});
 
-var compose = exports.compose = function compose(func) {
-  return function (arg) {
-    return this === _this ? func(arg) : this(func(arg));
-  };
-};
+var _compose = require('./compose');
+
+Object.defineProperty(exports, 'compose', {
+  enumerable: true,
+  get: function get() {
+    return _interopRequireDefault(_compose).default;
+  }
+});
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

package.json

 {
   "name": "tack-on",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "description": "Tack on functions to things that should have had them all along.",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

 # tack-on
-[![Build Status](https://travis-ci.org/Alex-Aralis/yank-down.svg?branch=master)](https://travis-ci.org/Alex-Aralis/yank-down) [![codecov](https://codecov.io/gh/Alex-Aralis/tack-on/branch/master/graph/badge.svg)](https://codecov.io/gh/Alex-Aralis/tack-on)
+[![Build Status](https://travis-ci.org/Alex-Aralis/yank-down.svg?branch=master)](https://travis-ci.org/Alex-Aralis/yank-down) [![codecov](https://codecov.io/gh/Alex-Aralis/tack-on/branch/master/graph/badge.svg)](https://codecov.io/gh/Alex-Aralis/tack-on) [![npm version](https://badge.fury.io/js/tack-on.svg)](https://badge.fury.io/js/tack-on) [![dependencies](https://david-dm.org/alex-aralis/tack-on.svg)](https://www.npmjs.com/package/tack-on)
 
+
 Some neato functions inspired by the new [bind operator](https://babeljs.io/docs/plugins/transform-function-bind/) and functional programming.
@@ -9,2 +10,6 @@
 
+```javascript
+tack(func, injectPosition = 0, actionFunc?)
+```
+
 ### What?
@@ -22,2 +27,33 @@
 
+Tacked functions assume composing behavior when bound to functions.
+
+```javascript
+const succ = tack(n => n + 1);
+const pred = tack(n => n - 1);
+
+expect(succ::pred::succ::succ(0)).to.equal(2);
+```
+
+The position `this` is inserted into can be specified.
+
+```javascript
+const toTriple = tack((a, b, c) => [a, b, c], 1);
+
+expect('middle'::toTriple('start', 'end')).to.equal(['start', 'middle', 'end']);
+```
+
+A custom action function can be provided that will change the defaults for when to tack, when to compose and when to do call the original function.
+
+```javascript
+const f = tack(
+  func => func(2),
+  0,
+  t => t !== undefined ? 'tack' : 'nothing'
+);
+
+// f will tack to functions instead of composing with them.
+
+expect(succ::f()).to.equal(3);
+```
+
 ## `compose`
@@ -24,0 +60,0 @@ Make functions composable with the bind operator.  `compose` assumes functions that take only one argument.

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Improved metrics

Total package byte prevSize

5453

increased by83.85%

Number of package files

7

increased by75%

Lines of code

57

increased by185%

Number of lines in readme file

74

increased by94.74%

No dependency changes