stylelint/dist/utils/findAnimationName.js

Modern CSS linter

"use strict";

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

var _postcssValueParser = require("postcss-value-parser");

var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);

var _ = require("./");

var _keywordSets = require("../reference/keywordSets");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Get the font-families within a `font` shorthand property value.
 *
 * @param {string} value
 * @return {object} Collection font-family nodes
 */
function findAnimationName(value) {
  var animationNames = [];

  var valueNodes = (0, _postcssValueParser2.default)(value);

  // Handle `inherit`, `initial` and etc
  if (valueNodes.nodes.length === 1 && _keywordSets.basicKeywords.has(valueNodes.nodes[0].value.toLowerCase())) {
    return [valueNodes.nodes[0]];
  }

  valueNodes.walk(function (valueNode) {
    if (valueNode.type === "function") {
      return false;
    }
    if (valueNode.type !== "word") {
      return;
    }

    var valueLowerCase = valueNode.value.toLowerCase();

    // Ignore non standard syntax
    if (!(0, _.isStandardSyntaxValue)(valueLowerCase)) {
      return;
    }
    // Ignore variables
    if ((0, _.isVariable)(valueLowerCase)) {
      return;
    }
    // Ignore keywords for other font parts
    if (_keywordSets.animationShorthandKeywords.has(valueLowerCase)) {
      return;
    }
    // Ignore numbers with units
    var unit = (0, _.getUnitFromValueNode)(valueNode);
    if (unit || unit === "") {
      return;
    }

    animationNames.push(valueNode);
  });

  return animationNames;
}