docomo-utils.js

A set of utilities function for docomo products. Exports as Javascript Universal Module Definition (UMD)

Import in html

// Specific range version
<script src="https://unpkg.com/docomo-utils@^1.2.0/dist/docomo-utils.min.js"></script>
//Last version
<script src="https://unpkg.com/docomo-utils/dist/docomo-utils.min.js"></script>
<script type="text/javascript">
    var settings = window.docomoUtils.merge({a:1}, {b:2}); // => { a:1, b:2 }
</script>

Import in CommonJS style

npm install docomot-utils

import docomoUtils from 'docomo-utils';
//OR
import { queryfy, dequeryfy, merge, JSONPRequest } from 'docomo-utils';

API

Iterator

Iterator

Parameters

• array Array the array you want to transform in iterator

Examples

var myArray = ["pippo", "pluto", "paperino"];
var it = Iterator(myArray);
it.next().value === "pippo"; //true
it.next().value === "pluto"; //true
it.next(true).value === "paperino" //false because with true you can reset it!

Returns Object an iterator-like object

debounce

Debounce. Wait ms to execute a function

Parameters

• fn Function the function to be wrapped
• ms Number the number of ms to wait (optional, default 300)
• immediate Boolean execute immediate and wait ms. If false only the last call
• scope Object the this object. default is this-generated function (optional, default this)

Returns Function returns the function decorated

throttle

Throttle. Useful for resize event or scroll

Parameters

• fn Function the function to be wrapped
• limit Number only x call for ms (optional, default 300)
• scope Object the this object. default to this-generated function (optional, default this)

Returns Function returns the function decorated

JSONPRequest

Make a jsonp request, remember only GET The function create a tag script and append a callback param in querystring. The promise will be reject after 3s if the url fail to respond

Parameters

• url String the url with querystring but without &callback at the end or &function
• timeout Number ms range for the response (optional, default 3000)

Examples

const request = new JSONPRequest("http://www.someapi.com/asd?somequery=1");
request.promise.then((data) => {});
request.prom.then((data) => {});

Returns Promise<(Object | String)>

getType

getType

Parameters

• obj

Returns string the type of the object. date for date array etc

memoize

Simple memoization function. A memoizated function cache the results of a function computation when it receives the same params

Parameters

• fn Function the function to memoize
• deps Function should returns an array with dependencies
• scope Object the this object. default to this-generated function (optional, default this)

Examples

function Person(){
this.name = 'aldo';
this.surname = 'baglio';
};

Person.prototype.getFullName = function(title) {
var _title = title ? title : '';
return _title + this.name + ' ' + this.surname;
};

var person = new Person();
//remember to bind it
var memoized = memoize(person.getFullName, function(){ return [this.name, this.surname];}.bind(person), person);

Returns any what the real function returns

merge

Merge n objects

Parameters

• N ...Object object to merge together

Returns Object

extend

extend: this function merge two objects in a new one with the properties of both

Parameters

• o1 Object -
• o2 Object -

Returns Object a brand new object results of the merging

queryfy

A function to compose query string

Parameters

• _api Strinq the endpoint
• query Object a key value object: will be append to ?key=value&key2=value2

Examples

var API = "http://jsonplaceholder.typicode.com/comments"
var url = queryfy(API, {postId:1});
// url will be "http://jsonplaceholder.typicode.com/comments?postId=1"

Returns String the string composed

dequeryfy

A function to dequerify query string

Parameters

• _url Strinq

Examples

var url = "http://jsonplaceholder.typicode.com/comments?postId=1"
var obj = dequeryfy(url); //obj is {"postId":"1"}

Returns Object the object with key-value pairs, empty if no querystring is present

addEvent

Cross browsing addEvent

Parameters

• event String the event name
• element HTMLElement HTMLElement
• callback Function -

Returns HTMLElement

isLocalStorageSupported

Check if local storage is supported

Returns Boolean

checkObject

Check if the object has the nested keys list

Parameters

• object Object the object to be checked
• keys (Array | String) a string point separated or a list of string keys
• defaultReturn any (optional, default null)

Examples

checkObject({a:{b:[1,2,3]}}, ["a", "b", 2])); // returns 3
checkObject({a:{b:[1,2,3]}}),"a.b.0"); // returns the b[0]

Returns (any | null) returns any value for that key or null if the key is undefined

arrayContains

Returns true if the first array is contained in the second one.

Parameters

• first (Array | String)
• second (Array | String)

Examples

arrayContains([1,2,3] [4,5,6,1,2,3]) // true
Works even with array of objects and string

Returns Boolean

setFingerPrint

setFingerPrint

Parameters

• Config object the vhost configuration
• pony string the token of the logged user
• returnUrl string the url where to return once relogged

Returns Promise

contents_inapp

God forgive them because they don't know what they do

ponyToken

generatePony

Parameters

• Config object the vhost configuration
• options object - (optional, default {return_url:''})
  • options.return_url object -

Returns Promise<String> the pony string

readCookies

Read the cookies in document.cookie string

Parameters

• cookies string the document.cookie string in this format key=val;

Returns object the cookies as object key value pairs