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Library to pass Sass variables via CSS to JavaScript

Home Page: https://hospodarets.com/passing_data_from_sass_to_js

JavaScript 65.17% HTML 11.43% SCSS 23.40%

sass-to-js's People

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sass-to-js's Issues

Tests fail on SASS v3.4.10 (Selective Steve)

To reproduce:

git checkout v1.2.0
npm install
npm run test

Output:

$ npm run test

> [email protected] test /Users/jess.telford/dev/sass-to-js
> grunt test

Running "sass:test" (sass) task

Running "jasmine:src" (jasmine) task
Testing jasmine specs via PhantomJS

 Getting JSON using AngularJS
   X shouldn convert generated CSS to JSON
     Expected Object({  }) to equal Object({ colorHexShort: '#f00', colorHex: '#ff0000', colorRgba: 'rgba(255,0,0,0.5)' }). (1)
   ✓ shouldn convert generated CSS to JSON in the same way as usual global function call
 Debug mode test
   ✓ should throw an error when element is not provided and return an empty object
   ✓ should throw an error when jQuery element is not provided and return an empty object
   ✓ should throw an error when AngularJS element is not provided and return an empty object
   ✓ should throw an error when there isn't CSS value for property and return an empty object
   ✓ should throw an error when CSS value cannot be parsed as JSON and return an empty object
 Test getting JSON from <body/> CSS
   X shouldn be not empty JSON object in <body> CSS
     Expected 0 not to be 0. (1)
   X shouldn get expected complex JSON object from global element
     Expected '{}' to be '{"stringsMap":{"stringWithQuotes":"string","stringWithDoubleQuotes":"string","stringWithoutQuotes":"string","stringTrue":"true","stringFalse":"false","pixels":"480px","percents":"4%"},"colorMap":{"colorHexShort":"#f00","colorHex":"#ff0000","colorRgba":"rgba(255,0,0,0.5)"},"numberMap":{"int":10,"positiveNum":4.7,"negativeNum":-43.67},"othersMap":{"boolean":true,"nulls":null},"mapOfMaps":{"map":{"prop1":1,"prop2":2,"prop3":3},"map-nested":{"prop1":{"prop2":[1,2,{"prop3":"test"}]}},"map-full":{"prop1":[1,2,{"prop12":1}],"prop2":["#ff0",false,{"prop21":1,"prop22":"string2"}],"prop3":[2,3,4,"string3"]}},"listMap":{"numbers":[1,2,3],"strings":["string1","string2"],"booleans":[true,false],"cssValuesList":["1.5em","1em",0,"2em"],"listCommaSeparated":["item-1","item-2","item-3"],"withPodLists":[["1px","2px"],["5px","6px"]],"nestedList":["a","b",["c","d","e",["f","g"],"h"],"i"]}}'. (1)
 Global JS scope test
   ✓ shouldn't be a global function when jQuery or Angular is loaded
   ✓ shouldn't be a global jQuery function
   ✓ shouldn't be a global AngularJS function
 Getting JSON using jQuery
   X shouldn convert generated CSS to JSON
     Expected Object({  }) to equal Object({ colorHexShort: '#f00', colorHex: '#ff0000', colorRgba: 'rgba(255,0,0,0.5)' }). (1)
   ✓ shouldn convert generated CSS to JSON in the same way as usual global function call
 Getting JSON using pure JavaScript
   X shouldn convert generated CSS to JSON
     Expected Object({  }) to equal Object({ colorHexShort: '#f00', colorHex: '#ff0000', colorRgba: 'rgba(255,0,0,0.5)' }). (1)
   X shouldn convert CSS to JSON from provided CSS property in CSS generated element
     Expected Object({  }) to equal Object({ pseudoEl: 'pseudoEl' }). (1)
   - shouldn convert CSS to JSON from provided CSS property in CSS generated elementSass string value for which was provided wit   X shouldn convert CSS to JSON from provided CSS property in CSS generated elementSass string value for which was provided with property name
     Expected undefined to equal 'colorMap'. (1)
   - shouldn convert CSS to JSON from provided CSS property in CSS generated elementSass complex value for which was provided wi   X shouldn convert CSS to JSON from provided CSS property in CSS generated elementSass complex value for which was provided with property name
     Expected undefined to equal Object({ colorHexShort: '#f00', colorHex: '#ff0000', colorRgba: 'rgba(255,0,0,0.5)' }). (1)

18 specs in 0.011s.
>> 8 failures
Warning: Task "jasmine:src" failed. Use --force to continue.

Aborted due to warnings.

Angular Material theme causes issue with sassToJs

I am saving an Angular Material2 theme to an element to parse out with Angular on the client side. IE11 and IE Edge show the value in the DOM Explorer with a strikeout, and when SassToJs tries to pull it out on the client side it gets no values. This solution works in Chrome and Firefox.

Is this a problem with how values are encoded into the font-family, or is there a complexity limit to the encoded JSON object?

sass (within an angular component):

$app-theme: mat-light-theme($app-primary, $app-accent, $app-warn);
$dark-theme: mat-dark-theme($app-primary, $app-accent, $app-warn);
:host::before {
  font-family: sassToJs($app-theme); //$app-theme or $dark-theme
}
:host::after {
  font-family: sassToJs($dark-theme); //$app-theme or $dark-theme
}

In the Angular component in ngAfterViewInit we pull the values out:

const lightPalettes = sassToJs(this.el.nativeElement, {pseudoEl: '::before'});
console.log("getThemeFromScss nativeEl:", this.el.nativeElement);
console.log("getThemeFromScss lightPalettes:", lightPalettes);
const darkPalettes = sassToJs(this.el.nativeElement, {pseudoEl: '::after'});

The console log from this event
Edge:
image

Chrome:
image

Here is the value copied from the Chrome style window:

{
  "primary": {
    "50": "#DAF9E8",
    "100": "#C0E1D0",
    "200": "#A6CAB9",
    "300": "#8CB2A2",
    "400": "#729B8B",
    "500": "#598474",
    "600": "#4E7869",
    "700": "#436D5E",
    "800": "#386253",
    "900": "#2D5749",
    "contrast": {
      "50": "rgba(0, 0, 0, 0.82)",
      "100": "rgba(0, 0, 0, 0.9)",
      "200": "rgba(0, 0, 0, 0.9)",
      "300": "rgba(0, 0, 0, 0.9)",
      "400": "rgba(0, 0, 0, 0.9)",
      "500": "rgba(255, 255, 255, 0.87)",
      "600": "rgba(255, 255, 255, 0.87)",
      "700": "rgba(255, 255, 255, 0.87)",
      "800": "rgba(255, 255, 255, 0.87)",
      "900": "rgba(255, 255, 255, 0.87)"
    },
    "default": "#598474",
    "lighter": "#C0E1D0",
    "darker": "#436D5E",
    "default-contrast": "rgba(255, 255, 255, 0.87)",
    "lighter-contrast": "rgba(0, 0, 0, 0.9)",
    "darker-contrast": "rgba(255, 255, 255, 0.87)",
    "50-contrast": "rgba(0, 0, 0, 0.82)",
    "100-contrast": "rgba(0, 0, 0, 0.9)",
    "200-contrast": "rgba(0, 0, 0, 0.9)",
    "300-contrast": "rgba(0, 0, 0, 0.9)",
    "400-contrast": "rgba(0, 0, 0, 0.9)",
    "500-contrast": "rgba(255, 255, 255, 0.87)",
    "600-contrast": "rgba(255, 255, 255, 0.87)",
    "700-contrast": "rgba(255, 255, 255, 0.87)",
    "800-contrast": "rgba(255, 255, 255, 0.87)",
    "900-contrast": "rgba(255, 255, 255, 0.87)",
    "contrast-contrast": null
  },
  "accent": {
    "50": "#FBE5DA",
    "100": "#E0C0B4",
    "200": "#C59C8E",
    "300": "#AA7868",
    "400": "#8F5442",
    "500": "#75301C",
    "600": "#692415",
    "700": "#5D190E",
    "800": "#510E07",
    "900": "#460300",
    "contrast": {
      "50": "rgba(0, 0, 0, 0.82)",
      "100": "rgba(0, 0, 0, 0.82)",
      "200": "rgba(0, 0, 0, 0.82)",
      "300": "rgba(0, 0, 0, 0.9)",
      "400": "rgba(255, 255, 255, 0.87)",
      "500": "rgba(255, 255, 255, 0.87)",
      "600": "rgba(255, 255, 255, 0.87)",
      "700": "rgba(255, 255, 255, 0.87)",
      "800": "rgba(255, 255, 255, 0.77)",
      "900": "rgba(255, 255, 255, 0.77)"
    },
    "default": "#75301C",
    "lighter": "#E0C0B4",
    "darker": "#5D190E",
    "default-contrast": "rgba(255, 255, 255, 0.87)",
    "lighter-contrast": "rgba(0, 0, 0, 0.82)",
    "darker-contrast": "rgba(255, 255, 255, 0.87)",
    "50-contrast": "rgba(0, 0, 0, 0.82)",
    "100-contrast": "rgba(0, 0, 0, 0.82)",
    "200-contrast": "rgba(0, 0, 0, 0.82)",
    "300-contrast": "rgba(0, 0, 0, 0.9)",
    "400-contrast": "rgba(255, 255, 255, 0.87)",
    "500-contrast": "rgba(255, 255, 255, 0.87)",
    "600-contrast": "rgba(255, 255, 255, 0.87)",
    "700-contrast": "rgba(255, 255, 255, 0.87)",
    "800-contrast": "rgba(255, 255, 255, 0.77)",
    "900-contrast": "rgba(255, 255, 255, 0.77)",
    "contrast-contrast": null
  },
  "warn": {
    "50": "#ffebee",
    "100": "#ffcdd2",
    "200": "#ef9a9a",
    "300": "#e57373",
    "400": "#ef5350",
    "500": "#f44336",
    "600": "#e53935",
    "700": "#d32f2f",
    "800": "#c62828",
    "900": "#b71c1c",
    "A100": "#ff8a80",
    "A200": "#ff5252",
    "A400": "#ff1744",
    "A700": "#d50000",
    "contrast": {
      "50": "rgba(0, 0, 0, 0.87)",
      "100": "rgba(0, 0, 0, 0.87)",
      "200": "rgba(0, 0, 0, 0.87)",
      "300": "rgba(0, 0, 0, 0.87)",
      "400": "rgba(0, 0, 0, 0.87)",
      "500": "white",
      "600": "white",
      "700": "white",
      "800": "rgba(255, 255, 255, 0.87)",
      "900": "rgba(255, 255, 255, 0.87)",
      "A100": "rgba(0, 0, 0, 0.87)",
      "A200": "white",
      "A400": "white",
      "A700": "white"
    },
    "default": "#f44336",
    "lighter": "#ffcdd2",
    "darker": "#d32f2f",
    "default-contrast": "white",
    "lighter-contrast": "rgba(0, 0, 0, 0.87)",
    "darker-contrast": "white",
    "50-contrast": "rgba(0, 0, 0, 0.87)",
    "100-contrast": "rgba(0, 0, 0, 0.87)",
    "200-contrast": "rgba(0, 0, 0, 0.87)",
    "300-contrast": "rgba(0, 0, 0, 0.87)",
    "400-contrast": "rgba(0, 0, 0, 0.87)",
    "500-contrast": "white",
    "600-contrast": "white",
    "700-contrast": "white",
    "800-contrast": "rgba(255, 255, 255, 0.87)",
    "900-contrast": "rgba(255, 255, 255, 0.87)",
    "A100-contrast": "rgba(0, 0, 0, 0.87)",
    "A200-contrast": "white",
    "A400-contrast": "white",
    "A700-contrast": "white",
    "contrast-contrast": null
  },
  "is-dark": false,
  "foreground": {
    "base": "black",
    "divider": "rgba(0, 0, 0, 0.12)",
    "dividers": "rgba(0, 0, 0, 0.12)",
    "disabled": "rgba(0, 0, 0, 0.38)",
    "disabled-button": "rgba(0, 0, 0, 0.38)",
    "disabled-text": "rgba(0, 0, 0, 0.38)",
    "hint-text": "rgba(0, 0, 0, 0.38)",
    "secondary-text": "rgba(0, 0, 0, 0.54)",
    "icon": "rgba(0, 0, 0, 0.54)",
    "icons": "rgba(0, 0, 0, 0.54)",
    "text": "rgba(0, 0, 0, 0.87)"
  },
  "background": {
    "status-bar": "#e0e0e0",
    "app-bar": "#f5f5f5",
    "background": "#fafafa",
    "hover": "rgba(0, 0, 0, 0.04)",
    "card": "white",
    "dialog": "white",
    "disabled-button": "rgba(0, 0, 0, 0.12)",
    "raised-button": "white",
    "focused-button": "rgba(0, 0, 0, 0.06)",
    "selected-button": "#e0e0e0",
    "selected-disabled-button": "#bdbdbd",
    "disabled-button-toggle": "#eeeeee"
  }
}

parsing fails on MS Edge

I've created a Codepen to demonstrate the faulty behaviour.

The problem is that:

window.getComputedStyle(
  document.querySelector('body'), '::before')
  .getPropertyValue('content');

...returns none for pseudo elements that don't exist.
Ideally, that never happens. But I think this is an enough usual use case to be handled by the library.

If you want I can try and prepare a PR to solve this issue.

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