fela-plugin-isolation/lib/index.js

Fela plugin that adds style isolation

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = isolation;

var _fastLoops = require("fast-loops");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function addIsolation(style) {
  var exclude = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];

  if (style.isolation === false) {
    // remove the isolation prop to
    // prevent false CSS properties
    delete style.isolation;
    return style;
  }

  var excludedDeclarations = (0, _fastLoops.arrayReduce)(exclude, function (exclusion, property) {
    exclusion[property] = 'inherit';
    return exclusion;
  }, {});
  return _objectSpread(_objectSpread({
    all: 'initial'
  }, excludedDeclarations), style);
}

function isolation() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  return function isolationPlugin(style) {
    return addIsolation(style, options.exclude);
  };
}