fela-dom/lib/dom/rehydration/rehydrateKeyframes.js

Fela package for working with the DOM

"use strict";

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

var _felaUtils = require("fela-utils");

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

var RE = /@(-webkit-|-moz-)?keyframes ([a-z_][a-z0-9-_]*)(\{.*?(?=}})}})/gi;

function rehydrateKeyframes(css) {
  var cache = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var decl;

  while (decl = RE.exec(css)) {
    var _decl = decl,
        _decl2 = _slicedToArray(_decl, 4),
        keyframe = _decl2[0],
        prefix = _decl2[1],
        animationName = _decl2[2],
        reference = _decl2[3];

    if (!cache[reference]) {
      cache[reference] = {
        type: _felaUtils.KEYFRAME_TYPE,
        keyframe: keyframe,
        name: animationName
      };
    } else {
      cache[reference].keyframe += keyframe;
    }
  }

  return cache;
}