Method expectToken

plugins/shopify/skills/shopify-functions/scripts/validate.mjs:3094–3105

* If the next token is of the given kind, return that token after advancing the lexer. * Otherwise, do not change the parser state and throw an error.

(kind)

       * Otherwise, do not change the parser state and throw an error.
       */
      expectToken(kind) {
        const token = this._lexer.token;
        if (token.kind === kind) {
          this.advanceLexer();
          return token;
        }
        throw (0, _syntaxError.syntaxError)(
          this._lexer.source,
          token.start,
          `Expected ${getTokenKindDesc(kind)}, found ${getTokenDesc(token)}.`
        );
      }
      /**
       * If the next token is of the given kind, return "true" after advancing the lexer.
       * Otherwise, do not change the parser state and return "false".