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https://github.com/proustibat/occurences

Calculate the number of occurrences of each word in a text. Words smaller than two letters will be ignored.
https://github.com/proustibat/occurences

count counter coverage javascript letters npm npm-module npm-package occurences occurrences sonar-scanner sonarcloud sonarqube statistics stats string string-matching strings words wordsearch

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Calculate the number of occurrences of each word in a text. Words smaller than two letters will be ignored.

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# Occurrences [![GitHub license](https://img.shields.io/github/license/proustibat/stats-text.svg)](https://github.com/proustibat/stats-text/blob/master/LICENSE.md)



Calculate the number of occurrences of each word in a text. Get varisous stats: smallest, longest words, etc.



| [![NPM](https://nodei.co/npm/occurences.png?compact=true)](https://www.npmjs.com/package/occurences)  [![GitHub package version](https://img.shields.io/github/package-json/v/proustibat/occurences.svg)]() [![npm](https://img.shields.io/npm/v/occurences.svg)](https://www.npmjs.com/package/occurences) [![Npm downloads](https://img.shields.io/npm/dt/occurences.svg)](https://www.npmjs.com/package/occurences) | [![Maintenance](https://img.shields.io/maintenance/yes/2018.svg)](https://github.com/proustibat/occurences/commits/master)  [![GitHub last commit](https://img.shields.io/github/last-commit/proustibat/occurences.svg)](https://github.com/proustibat/occurences/commits/master)  [![Open issues](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=open_issues)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=open_issues) | [![Build Status](https://travis-ci.org/proustibat/occurences.svg?branch=master)](https://travis-ci.org/proustibat/occurences)  [![Sonar quality gate](https://sonarcloud.io/api/badges/gate?key=proustibat_occurences)](https://sonarcloud.io/dashboard?id=proustibat_occurences)  [![Code Climate](https://codeclimate.com/github/proustibat/occurences/badges/gpa.svg)](https://codeclimate.com/github/proustibat/occurences)  [![Coverage Status](https://coveralls.io/repos/github/proustibat/occurences/badge.svg?branch=master)](https://coveralls.io/github/proustibat/occurences?branch=master) | [![Greenkeeper badge](https://badges.greenkeeper.io/proustibat/occurences.svg)](https://greenkeeper.io/) [![Dependencies Status](https://david-dm.org/proustibat/stats-text/status.svg)](https://david-dm.org/proustibat/stats-text) [![DevDependencies Status](https://david-dm.org/proustibat/stats-text/dev-status.svg)](https://david-dm.org/proustibat/stats-text?type=dev) |

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-------------



## Installation

`npm i -S occurences`



## Usage



### Javascript



```js

const Occurrences = require('occurences');

let occ = new Occurrences(data, [options])

```

Where data is a string. Options object isn't required.



Running example on Runkit.com: [https://runkit.com/proustibat/occurences-example-request](https://runkit.com/proustibat/occurences-example-request)



### Typescript

Wanna use it with Angular 2? For example in an Ionic application. Import as follows:



```typescript

import * as Occurences from 'Occurences';

```



Note that `stats` of an instance is an object. So to list the words in an ionic template with `*ngFor`, proceed as follows to transform it in an array: 



*Typescript file:* 



```typescript

    this.textOccurrences = new Occurences(this.text);

    this.statsArray = Object.keys(this.textOccurrences.stats).map( key => {

        return { word: key, number: this.textOccurrences.stats[key] };

    });

```

*HTML :*

```html



    

        {{ item.word }}

        {{ item.number }}

    



```



### Options 



Option | Type | Default | Description

------ | ---- | ------- | -----------

sensitiveCase | Boolean | false | If defined to true, counts as 2 different words same word with uppercases

ignored | String or Array | - | One or several words to ignore when counting occurrences

biggerThan | int | 2 | Considers only words larger than this number of letters



## Properties 



Property | Type  | Description

-------- | ----  | -----------

stats | Object | Each words occurrences: word as key, occurence number as value (read-only)

meta | Object | Global stats about the data: total number of words, number of different words, total number of characters with spaces (`charsWS`) or no (`charsNS`)  Returns an object as follows: `{totalWords:int, differentWords:int, charsWS:int, charsNS:int}`

lessUsed | Array | The less used word of the data (read-only)

mostUsed | Array | The most used word of the data (read-only)

smallest | Array | The smallest used word (read-only)

longest | Array | The longest used word (read-only)

options | Object | Settings of the instance (read-only)



## Methods 



Property | Parameters | Default | Description

-------- | ---------- | ------- | -----------

getSorted | String: '*desc*', '*asc*' | 'desc' | Returns an array with objects sorted by order descendant or ascendant, each index of the array is an object as follows : `{word:'three', number: '3'}`



## Examples



### Example with latin alphabet



#### Simple stats

```

const Occurrences = require('occurences'); // note the lib is named with only one R

const latinText = "Not connected to power. Power is it good or bad. What is power? Dunno what power is but I know what it's not.";

let occurrencesLatin = new Occurrences(latinText);

console.log(occurrencesLatin.stats);

```

**Output:** 

```

{ 

    not: 2,

    connected: 1,

    power: 4,

    good: 1,

    bad: 1,

    what: 3,

    dunno: 1,

    but: 1,

    know: 1,

    'it\'s': 1 

}

```



### Other properties



```

console.log("longest: ", occurrencesLatin.longest);

console.log("smallest: ", occurrencesLatin.smallest);

console.log("lessUsed: ", occurrencesLatin.lessUsed);

console.log("mostUsed: ", occurrencesLatin.mostUsed);

console.log("getSorted: ", occurrencesLatin.getSorted());

```

**Output:** 

```

longest:  ['connected']

smallest:  [ 'not', 'bad', 'but' ]

lessUsed:  [ 'connected', 'good', 'bad', 'dunno', 'but', 'know', 'it\'s' ]

mostUsed:  ['power']

getSorted:  [ { value: 'power', number: 4 },

  { value: 'what', number: 3 },

  { value: 'not', number: 2 },

  { value: 'connected', number: 1 },

  { value: 'good', number: 1 },

  { value: 'bad', number: 1 },

  { value: 'dunno', number: 1 },

  { value: 'but', number: 1 },

  { value: 'know', number: 1 },

  { value: 'it\'s', number: 1 } ]

```



### Example with hebrew alphabet



```

const Occurrences = require('occurences'); // note the lib is named with only one R

const hebrewText = "שלום! חג פסח שמח ו שבת שלום לכולם!";

let occurrencesHebrew = new Occurrences(hebrewText);

console.log(occurrencesHebrew.stats);



```

**Output:** 

```

{ 

	'שלום': 2, 

	'פסח': 1, 

	'שמח': 1, 

	'שבת': 1, 

	'לכולם': 1 

}

```

*Note that text editor don't outputs from left to right but the object is ok in real life*



### Example with async data



```

const Occurrences = require('occurences');  // note the lib is named with only one R

const request = require('request');         // note you have to install request lib

const url = "http://faker.hook.io/?property=lorem.sentences";

request({

    url: url,

    json: true

}, function (error, response, data) {

    if (!error && response.statusCode === 200) {

        let myResult = new Occurrences(data);

        console.log(myResult.stats);

    }

    else {

        console.log("It seems an error occured when requesting ", url);

    }

});



```



**Output:** 

```

{ 

    nobis: 1,

    quam: 1,

    sapiente: 1,

    fugiat: 1,

    cumque: 2,

    nisi: 1,

    voluptatem: 1,

    sint: 1,

    quibusdam: 1,

    impedit: 1,

    modi: 2,

    expedita: 1,

    deserunt: 1,

    non: 1 

}

```



## Tests

`npm test`



## Coverage

`npm run cover`



## Continuous Code Quality

I use [Sonarqube](https://www.sonarqube.org/) on [Sonarcloud.io](https://sonarcloud.io/) to maintain clean code.

Public dashboard is here: [https://sonarcloud.io/dashboard?id=proustibat_occurences](https://sonarcloud.io/dashboard?id=proustibat_occurences)



### Some results:

[![Comments (%)](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=comment_lines_density)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=comment_lines_density)

[![Open issues](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=open_issues)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=open_issues)

[![Code smells](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=code_smells)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=code_smells)

[![Technical debt](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=sqale_index)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=sqale_index)

[![Bugs](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=bugs)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=bugs)

[![Reliability remediation effort](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=reliability_remediation_effort)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=reliability_remediation_effort)

[![Coverage](https://sonarcloud.io/api/badges/measure?key=proustibat_occurences&metric=coverage)](https://sonarcloud.io/component_measures?id=proustibat_occurences&metric=coverage)



### Using Sonar Scanner

Be sure you have downloaded and installed the [Sonarqube Scanner](https://docs.sonarqube.org/display/SCAN/Analyzing+with+SonarQube+Scanner).

You need to add sonar-project.properties to the root of the project as folllows:



```

sonar.projectName=Occurences

sonar.projectKey=proustibat_occurences

sonar.host.url=https://sonarcloud.io

sonar.organization=proustibat-github

sonar.login=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

sonar.sources=.

sonar.exclusions=node_modules/**/*,coverage/**/*,example.js,test/**/*

sonar.javascript.lcov.reportPath=coverage/lcov.info

sonar.java.source=1.8

sonar.java.binaries=.



```



And then run sonar scanner as follows:



```

sonar-scanner -X -Dsonar.projectVersion=x.x.x

```



More information on [Sonarcloud.io](https://about.sonarcloud.io/get-started/)



## Contributing



- Issue Tracker: [https://github.com/proustibat/occurences/issues](https://github.com/proustibat/occurences/issues)

- Source Code: [https://github.com/proustibat/occurences](https://github.com/proustibat/occurences)

- Pull Requests: [https://github.com/proustibat/occurences/pulls](https://github.com/proustibat/occurences/pulls)