Method parse

engine/cssparser.js:185–354

(input)

  }

  parse(input) {
    const checkToken = (a, b) => !this.escaping && this.stringState === StringState.None && a === b;

    const checkSES = c => {
      if (this.escaping) {
        return false;
      }

      if (c != '"' && c != '\'') {
        return false;
      }

      const state = c == '"' ? StringState.Double : StringState.Single;

      // start
      if (this.stringState == StringState.None) {
        this.stringState = state;
        return true;
      }

      // end
      if (this.stringState == state) {
        this.stringState = StringState.None;
        return true;
      }

      return false;
    };

    input = input.replace(/\/\*[\w\W]*?\*\//g, '');

    for (let i = 0; i < input.length; i++) {
      const peek = () => input[i + 1];

      const c = input[i];
      if (c == '\\') {
        this.escaping = true;
        continue;
      }

      // console.log(`${c} | state: ${this.mainState}`);

      const finishRule = () => {
        this.currentRule.addProperty(this.currentProp, this.currentValue);

        this.currentProp = '';
        this.currentValue = '';
        this.currentSelector = '';
      };

      switch (this.atState) {
        case AtState.Name: {
          // begin nested cond `(...)`
          if (checkToken(c, '(')) {
            this.currentAtCond = '(';

            this.atState = AtState.Cond;
            continue;