array-tools - npm Package Compare versions

Comparing version 2.0.0-1 to 2.0.0-2

bin/cli.js

 #!/usr/bin/env node
 "use strict";
-
 var a = require("../");
 var tr = require("transform-tools");
+var domain = require("domain");
+var ansi = require("ansi-escape-sequences");
+var util = require("util");
 
@@ -16,3 +18,15 @@ if (process.argv.length < 4){
 var args = process.argv.slice(0);
+args = args.map(function(arg){
+    return arg.replace(/\\n/g, "\n");
+});
 
+switch (method){
+/* convert map arg to a function */
+case "map":
+    var funcBody = args.shift();
+    var mapFunction = new Function("item", funcBody);
+    args.unshift(mapFunction);
+    break;
+}
+
 function processInput(input){
@@ -22,7 +36,20 @@ var arr = a(input);
     if (result._data) result = result.val();
-    return JSON.stringify(result, null, "  ") + "\n";
+    
+    /* certain methods don't output JSON */
+    if (a.contains([ "join" ], method)){
+        return result + "\n";
+    } else {
+        return JSON.stringify(result, null, "  ") + "\n";
+    }
 }
 
+var d = domain.create();
+d.on("error", function(err){
+    if (err.code === "EPIPE") return; // don't care 
+    console.error(ansi.format("Error: " + err.stack, "red"));
+});
+d.run(function(){
 process.stdin
-    .pipe(tr.collectJson({ transform: processInput }))
+    .pipe(tr.collectJson({ through: processInput }))
     .pipe(process.stdout);
+});

dist/array-tools.min.js

@@ -1,1 +0,1 @@
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t=require("typical"),o=require("object-tools"),util=require("util");ArrayTools.pluck=pluck,ArrayTools.pick=pick,ArrayTools.commonSequence=commonSequence,ArrayTools.arrayify=arrayify,ArrayTools.exists=exists,ArrayTools.without=without,ArrayTools.union=union,ArrayTools.where=where,ArrayTools.findWhere=findWhere,ArrayTools.unique=unique,ArrayTools.spliceWhile=spliceWhile,ArrayTools.extract=extract,ArrayTools.flatten=flatten,ArrayTools.sortBy=sortBy,ArrayTools.last=last,ArrayTools.remove=remove,ArrayTools.contains=contains,ArrayTools.prototype.val=function(){return this._data},["filter","reverse","sort","concat","slice","every","some","map"].forEach(function(r){ArrayTools.prototype[r]=function(){return this._data=Array.prototype[r].apply(this._data,arguments),this}}),["join"].forEach(function(r){ArrayTools.prototype[r]=function(){return 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one=eval("obj."+property),two=eval("obj."+property2),three=eval("obj."+property3);return one||two||three})}function pick(){var r=arrayify(arguments),t=r.shift(),e=r;if(!Array.isArray(t))throw new Error(".pick() input must be an array");return t.filter(function(r){return e.some(function(t){return void 0!==r[t]})}).map(function(r){var t={};return e.forEach(function(e){void 0!==r[e]&&(t[e]=r[e])}),t})}function exists(r,e){if(t.isPlainObject(e)){for(var n,i=e,u=!1,a=0;!u&&(n=r[a++]);)u=o.exists(n,i);return u}return r.indexOf(e)>-1}function findWhere(r,t){var e=where(r,t);return e.length?e[0]:null}function without(r,t){return t=arrayify(t),r.filter(function(r){return!exists(t,r)})}function union(r,t,e){var n=o.clone(r);return t.forEach(function(r){if(e){var t={};t[e]=r[e],findWhere(n,t)||n.push(r)}else exists(n,r)||n.push(r)}),n}function commonSequence(r,t){for(var e=[],n=0;n<Math.min(r.length,t.length)&&r[n]===t[n];n++)e.push(r[n]);return e}function unique(r){return 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lib/array-tools.js

@@ -33,3 +33,3 @@ "use strict";
     if (!(this instanceof ArrayTools)) return new ArrayTools(input);
-	this._data = input;
+	this._data = arrayify(input);
 }
@@ -42,3 +42,3 @@
 /* Array methods which return the chainable */
-["filter", "reverse", "sort", "concat", "slice", "every", "some", "map"].forEach(function(method){
+["filter", "reverse", "sort", "concat", "slice", "map"].forEach(function(method){
     ArrayTools.prototype[method] = function(){
@@ -50,4 +50,4 @@ this._data = Array.prototype[method].apply(this._data, arguments);
 
-/* Array method chain terminators, return a scalar */
-["join"].forEach(function(method){
+/* Array method chain terminators, return a scalar or undefined */
+["join", "every", "some", "forEach"].forEach(function(method){
     ArrayTools.prototype[method] = function(){
@@ -118,6 +118,6 @@ return Array.prototype[method].apply(this._data, arguments);
 /**
-Query an array, at any depth..
+Deep query an array.
 
 @param {object[]} - the array to query
-@param {query} - the query definition
+@param {any | any[]} - one or more queries
 @returns {Array}
@@ -142,3 +142,3 @@ @category chainable
 
-All query expressions can be negated (where NOT the value). Prefix the property name with `!`:
+or where NOT the value (prefix the property name with `!`)
 ```js
@@ -164,3 +164,3 @@ > a.where(data, { "!age": 10 })
 
-You can query to any arbitrary depth. So with deeper data, like:
+You can query to any arbitrary depth. So with deeper data, like this:
 ```js
@@ -174,3 +174,3 @@ > deepData = [
 
-return records containing `favourite.colour` values matching the regex `/red/`
+get records with `favourite.colour` values matching `/red/`
 ```js
@@ -181,4 +181,4 @@ > a.where(deepData, { favourite: { colour: /red/ } })
 ```
-
-Prefix the property name with `+` if the value you want to match could be singular _or_ a member of an array.
+ 
+if the value you're looking for _maybe_ part of an array, prefix the property name with `+`. Now Zhana is included:
 ```js
@@ -191,2 +191,11 @@ > a.where(deepData, { favourite: { "+colour": /red/ } })
 
+you can combine any of the above by supplying an array of queries. Records will be returned if _any_ of the queries match:
+```js
+> var nameBeginsWithY = { name: /^Y/ };
+> var faveColourIncludesWhite = { favourite: { "+colour": "white" } };
+
+> a.where(deepData, [ nameBeginsWithY, faveColourIncludesWhite ])
+[ { name: 'Yana', favourite: { colour: 'dark red' } },
+  { name: 'Zhana', favourite: { colour: [ "white", "red" ] } } ]
+```
 */
@@ -201,6 +210,6 @@ function where(array, query){
 /**
-Returns a new array with the same content as the input minus the specified values.
+Returns a new array with the same content as the input minus the specified values. It accepts the same query syntax as {@link module:array-tools.where}.
 
 @param {Array} - the input array
-@param {*} - a single, or array of values to omit
+@param {any | any[]} - one, or more queries
 @returns {Array}
@@ -214,2 +223,11 @@ @category chainable
 [ 1 ]
+
+> data = [
+    { name: "Dana", age: 30 },
+    { name: "Yana", age: 20 },
+    { name: "Zhana", age: 10 }
+]
+> a.without(data, { name: /ana/ })
+[]
+
 @alias module:array-tools.without
@@ -224,2 +242,6 @@ */
 
+/**
+@private
+@returns boolean
+*/
 function testValue(value, test){
@@ -272,6 +294,6 @@ if (t.isPlainObject(test)){
 /**
-Plucks the value of the specified property from each object in the input array
+Returns an array containing the value of each specified property, if it exists.
 
 @param recordset {object[]} - The input recordset
-@param property {...string} - Up to three property names - the first one found will be returned.
+@param property {string} - Property name
 @returns {Array}
@@ -293,17 +315,20 @@ @category chainable
 */
-function pluck(recordset, property, property2, property3){
+function pluck(recordset, property){
     if (!Array.isArray(recordset)) throw new Error(".pluck() input must be an array");
 
+    var properties = arrayify(property);
     return recordset
-        .filter(function(obj){
-            var one = eval("obj." + property);
-            var two = eval("obj." + property2);
-            var three = eval("obj." + property3);
-            return one || two || three;
+        .map(function(item){
+            var property = properties.reduce(function(prev, prop){
+                if (prev){
+                    return prev;
+                } else {
+                    if (typeof o.get(item, prop) !== "undefined") return prop;
+                }
+            }, "");
+            // console.log(property);
+            return o.get(item, property);
         })
-        .map(function(obj){
-            var one = eval("obj." + property);
-            var two = eval("obj." + property2);
-            var three = eval("obj." + property3);
-            return one || two || three;
+        .filter(function(item){
+            return typeof item !== "undefined";
         });
@@ -376,4 +401,3 @@ }
 function findWhere(recordset, query){
-    var result = where(recordset, query);
-    return result.length ? result[0] : null;
+    return where(recordset, query)[0];
 }
@@ -380,0 +404,0 @@

package.json

 {
   "name": "array-tools",
   "author": "Lloyd Brookes <[e-mail]>",
-  "version": "2.0.0-1",
+  "version": "2.0.0-2",
   "description": "Lightweight, use-anywhere toolkit for working with array data. 1.5k, compressed.",
@@ -43,6 +43,7 @@ "repository": "https://github.com/75lb/array-tools.git",
   "dependencies": {
+    "ansi-escape-sequences": "^2.0.0",
     "object-tools": "^2.0.0-0",
-    "typical": "^2.1",
-    "transform-tools": "~0.0"
+    "transform-tools": "~0.1",
+    "typical": "^2.1"
   }
 }

README.md

@@ -7,14 +7,24 @@ [![view on npm](http://img.shields.io/npm/v/array-tools.svg)](https://www.npmjs.org/package/array-tools)
 
+***this documentation is for the pre-release version***
+
 # array-tools
 Lightweight, use-anywhere toolkit for working with array data.
 
-```js
-> var a = require("array-tools");
+There are four ways to use it.
+
+1) As a command-line tool. E.g. array-tools downloads last month:
+```sh
+$ curl -s https://api.npmjs.org/downloads/range/last-month/array-tools \
+| object-tools get downloads \
+| array-tools pluck downloads \
+| array-tools join "," \
+| spark
+▂▅▃▅▅▁▁▃▄▃▆▂▂▁▁▂▄▃▃▁▁▂█▆▆▄▁▃▅▃
 ```
 
-There are four ways to use it.
+2) As a standard library, passing the input array on each method invocation:
 
-1) As a standard library, passing the input array on each method invocation:
+```js
+> var a = require("array-tools");
 
-```js
 > var remainder = a.without([ 1, 2, 3, 4, 5 ], 1)
@@ -25,3 +35,3 @@ > a.exists(remainder, 1)
 
-2) As a chainable method, passing the input array once then chaining from there:
+3) As a chainable method, passing the input array once then chaining from there:
 
@@ -33,3 +43,3 @@ ```js
 
-3) As a base class.
+4) As a base class.
 ```js
@@ -54,19 +64,2 @@ var util = require("util");
 
-4) As a command-line tool. 
-```sh
-$ curl -s "https://api.github.com/users/75lb/repos?page=1&per_page=100" | array-tools pick full_name description
-[
-  {
-    "full_name": "75lb/ansi-escape-sequences",
-    "description": "A simple library containing all known terminal ansi escape codes and sequences."
-  },
-  {
-    "full_name": "75lb/baldrick",
-    "description": "Your own private dogsbody. Does the shitty work you can't be arsed to do."
-  },
-  etc,
-  etc
-]
-```
-
 #### More on chaining
@@ -118,3 +111,3 @@ * Each method returning an `Array` (e.g. `where`, `without`) can be chained.
     * [.without(array, toRemove)](#module_array-tools.without) ⇒ <code>Array</code>
-    * [.pluck(recordset, ...property)](#module_array-tools.pluck) ⇒ <code>Array</code>
+    * [.pluck(recordset, property)](#module_array-tools.pluck) ⇒ <code>Array</code>
     * [.pick(recordset, ...property)](#module_array-tools.pick) ⇒ <code>Array.&lt;object&gt;</code>
@@ -171,3 +164,3 @@ * [.union(array1, array2, idKey)](#module_array-tools.union) ⇒ <code>Array</code>
 ### a.where(array, query) ⇒ <code>Array</code>
-Query an array, at any depth..
+Deep query an array.
 
@@ -180,3 +173,3 @@ **Kind**: static method of <code>[array-tools](#module_array-tools)</code>
 | array | <code>Array.&lt;object&gt;</code> | the array to query |
-| query | <code>query</code> | the query definition |
+| query | <code>any</code> &#124; <code>Array.&lt;any&gt;</code> | one or more queries |
 
@@ -199,3 +192,3 @@ **Example**
 
-All query expressions can be negated (where NOT the value). Prefix the property name with `!`:
+or where NOT the value (prefix the property name with `!`)
 ```js
@@ -221,3 +214,3 @@ > a.where(data, { "!age": 10 })
 
-You can query to any arbitrary depth. So with deeper data, like:
+You can query to any arbitrary depth. So with deeper data, like this:
 ```js
@@ -231,3 +224,3 @@ > deepData = [
 
-return records containing `favourite.colour` values matching the regex `/red/`
+get records with `favourite.colour` values matching `/red/`
 ```js
@@ -238,4 +231,4 @@ > a.where(deepData, { favourite: { colour: /red/ } })
 ```
-
-Prefix the property name with `+` if the value you want to match could be singular _or_ a member of an array.
+ 
+if the value you're looking for _maybe_ part of an array, prefix the property name with `+`. Now Zhana is included:
 ```js
@@ -247,5 +240,15 @@ > a.where(deepData, { favourite: { "+colour": /red/ } })
 ```
+
+you can combine any of the above by supplying an array of queries. Records will be returned if _any_ of the queries match:
+```js
+> var nameBeginsWithY = { name: /^Y/ };
+> var faveColourIncludesWhite = { favourite: { "+colour": "white" } };
+
+> a.where(deepData, [ nameBeginsWithY, faveColourIncludesWhite ])
+[ { name: 'Yana', favourite: { colour: 'dark red' } },
+  { name: 'Zhana', favourite: { colour: [ "white", "red" ] } } ]
+```
 <a name="module_array-tools.without"></a>
 ### a.without(array, toRemove) ⇒ <code>Array</code>
-Returns a new array with the same content as the input minus the specified values.
+Returns a new array with the same content as the input minus the specified values. It accepts the same query syntax as [where](#module_array-tools.where).
 
@@ -258,3 +261,3 @@ **Kind**: static method of <code>[array-tools](#module_array-tools)</code>
 | array | <code>Array</code> | the input array |
-| toRemove | <code>\*</code> | a single, or array of values to omit |
+| toRemove | <code>any</code> &#124; <code>Array.&lt;any&gt;</code> | one, or more queries |
 
@@ -268,6 +271,14 @@ **Example**
 [ 1 ]
+
+> data = [
+    { name: "Dana", age: 30 },
+    { name: "Yana", age: 20 },
+    { name: "Zhana", age: 10 }
+]
+> a.without(data, { name: /ana/ })
+[]
 ```
 <a name="module_array-tools.pluck"></a>
-### a.pluck(recordset, ...property) ⇒ <code>Array</code>
-Plucks the value of the specified property from each object in the input array
+### a.pluck(recordset, property) ⇒ <code>Array</code>
+Returns an array containing the value of each specified property, if it exists.
 
@@ -280,3 +291,3 @@ **Kind**: static method of <code>[array-tools](#module_array-tools)</code>
 | recordset | <code>Array.&lt;object&gt;</code> | The input recordset |
-| ...property | <code>string</code> | Up to three property names - the first one found will be returned. |
+| property | <code>string</code> | Property name |
 
@@ -283,0 +294,0 @@ **Example**

test/chaining.js

@@ -6,2 +6,20 @@ var test = require("tape");
 
+var f = {
+    recordset: [
+        {one: 1, two: 2},
+        {one: 1, two: 3},
+        {one: 2, two: 5},
+        {two: "two"},
+        {one: "one", two: "zwei"},
+    ]
+};
+
+test("chaining: correct methods return the chainable", function(t){
+    function func(i){return false;}
+    t.notOk(a(f.recordset).some(func) instanceof a);
+    t.notOk(a(f.recordset).every(func) instanceof a);
+    t.notOk(a(f.recordset).join() instanceof a);
+    t.end();
+});
+
 test("chaining: .pluck", function(t){
@@ -97,1 +115,2 @@ var data = [
 });
+

test/pluck.js

 var test = require("tape");
 var a = require("../");
 
-test(".pluck", function(t){
-    var data = [
-        {one: 1, two: 2},
-        {two: "two"},
-        {one: "one", two: "zwei"},
-    ];
-    
-    t.deepEqual(a.pluck(data, "one"), [ 1, "one" ]);
-    t.deepEqual(a.pluck(data, "two"), [ 2, "two", "zwei" ]);
-    t.deepEqual(a.pluck(data, "one", "two"), [ 1, "two", "one" ]);
+var fixture = [
+    {one: 1, two: 2},
+    {two: "two"},
+    {one: "one", two: "zwei"},
+    {deep: { a: "yep" }},
+    {deep: { a: "again" }},
+    {deep: "not here" },
+    {deep: { b: "or here" }}
+];
 
+test(".pluck(array, property)", function(t){
+    t.deepEqual(a.pluck(fixture, "one"), [ 1, "one" ]);
+    t.deepEqual(a.pluck(fixture, "two"), [ 2, "two", "zwei" ]);
     t.end();
 });
 
-test(".pluck expression (e.g. \"item.prop\")", function(t){
-    var data = [
-        {one: { inside: "yep" }},
-        {one: { inside: "again" }},
-        {one: "not here" },
-        {one: { or: "or here" }}
-    ];
-    
-    t.deepEqual(a.pluck(data, "one.inside"), [ "yep", "again" ]);
+test(".pluck(array, [property])", function(t){
+    t.deepEqual(a.pluck(fixture, [ "one", "two" ]), [ 1, "two", "one" ]);
+    t.end();
+});
 
+test(".pluck(array, property.property)", function(t){
+    t.deepEqual(a.pluck(fixture, "deep.a"), [ "yep", "again" ]);
     t.end();
 });

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Improved metrics

Number of lines in readme file

575

increased by1.95%

Number of medium supply chain risk alerts

25

decreased by-41.86%

Worsened metrics

Total package byte prevSize

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increased by33.33%

Lines of code

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Dependency changes

• + Addedansi-escape-sequences@^2.0.0

• + Addedansi-escape-sequences@2.2.2(transitive)

• + Addedcollect-all@0.2.1(transitive)

• + Addedstream-via@0.1.1(transitive)

• Updatedtransform-tools@~0.1