Method scanStar

packages/compiler/src/expression_parser/lexer.ts:635–655

(start: number)

  }

  private scanStar(start: number): Token {
    this.advance();
    // `*`, `**`, `**=` or `*=`
    let operator = '*';

    if (this.peek === chars.$STAR) {
      operator += '*';
      this.advance();

      // @ts-expect-error
      if (this.peek === chars.$EQ) {
        operator += '=';
        this.advance();
      }
    } else if (this.peek === chars.$EQ) {
      operator += '=';
      this.advance();
    }

    return newOperatorToken(start, this.index, operator);
  }

  private isStartOfRegex(): boolean {
    if (this.tokens.length === 0) {