react-native-style-parser

Command line interface transform css files to javascript object

You want create a app react-native but write you style inside javascript object is not you enjoy ? Now you can convert css files to javascript object.

• installation

• config

  • file

• usage

  • single file
  • directory
  • options
    • watch
    • es6
    • no-quote
    • optimize
  • annotations
    • ignore
    • compose

• other

installation

Can local or global install this package

> npm install --save-dev react-native-style-parser

or with yarn

> yard add react-native-style-parser -D

or global

> npm install --global react-native-style-parser

config

After installation from package.json add key script for access to command line

{
  "scripts": {
    "build-style": "react-native-style-parser"
  }
}

For check access to command try show version with --version option

> npm run build-style -- --version

file

Can config from JS or JSON file at root

module.exports = {

  // path to css files
  entry: "./styles/css/",

  // path to generate output js file
  output: "./styles/react/",

  options: {

    isEs6: true,
    isNoQuote: true,
    isWatch: true,
    isOptimize: false
  }

};

more informations on options

run from config file with

{
  "scripts": {
    "build-style": "react-native-style-parser ./config-file-name.js"
  }
}

Can generate a preset config file at root with

> react-native-style-parser init

usage

Usage of command line interface is easy and fast, react-native-style-parser convert class selectors from css files.

single file

Transform a single file with command line interface from relative path of css file.

> npm run build-style -- ./css/foobar.css to ./react-styles/

If not exists ./react-styles/foobar.js is auto append.

After below parse javascript object styles at: ./react-styles/foobar.js

directory

Can transform all css files from a folder with command line interface

> npm run build-style -- ./css/ to ./react-styles/

options

Can add behavior with options use --option-name

watch

Option watch allow auto parse after listen change inside a target file.

> npm run build-style -- ./css/ to ./react-styles/ --watch

es6

Option watch generate export with ES6 syntaxe.

Default behavior generate a export with nodejs syntaxe

> npm run build-style -- ./css/ to ./react-styles/ --es6

no-quote

Option no-quote generate property name with no quote. Default behavior generaye single quote.

> npm run build-style -- ./css/ to ./react-styles/ --no-quote

optimize

Option optimize generate a minimified styles for optimization run time, use before switch prod env.

> npm run build-style -- ./css/ to ./react-styles/ --optimize

annotations

Add behavior from pretty annotations

ignore

Skip specific css block

.container {

  flex: 1;
  margin: 3px 5px;
  z-index: 3;
}

.item {

  transform: rotate( 8deg ), translateX( -10px );
}

.container-web-view {
  /**
  * @CssParser/Ignore()
  */
  width: 65%;
  margin: auto;
}

export default {

  "container": {
    flex: 1,
    marginTop: 3,
    marginBottom: 3,
    marginLeft: 5,
    marginRight: 5,
    zIndex: 3
  },

  "item": {
    transform: [
      {
        rotate: "8deg"
      }, {
        translateX: -10
      }
    ]
  }
}

compose

Annotations compose is a approach of react-native compose

.text {

  color: rgb( 42,42,42 );
}

.title {
  font-size: 25px;
  letter-spacing: 9px;
}

.super-text {
  /**
  * @CssParser/Compose( "text", "title" )
  */

  cursor: pointer;
}

export default {
  "text": {
    color: "rgb( 42,42,42 )"
  },

  "title": {
    fontSize: 25,
    letterSpacing: 9
  },

  "super-text": {
    color: "rgb( 42,42,42 )",
    fontSize: 25,
    letterSpacing: 9,
    cursor: pointer
  }
}

other

For not use double dash option (--) , prepare command from package.json

"script": {
  "build-style": "react-native-style-parser ./css to ./react-styles/ --es6 --no-quote --watch",
  "build-style-prod": "react-native-style-parser ./css to ./react-styles/ --es6 --no-quote --optimize"
}

Please if you detect undetermined behavior open a issue