Method parseArgument

plugins/shopify/skills/shopify-admin/scripts/validate.mjs:2157–2166

* Argument[Const] : Name : Value[?Const]

(isConst = false)

       * Argument[Const] : Name : Value[?Const]
       */
      parseArgument(isConst = false) {
        const start = this._lexer.token;
        const name = this.parseName();
        this.expectToken(_tokenKind.TokenKind.COLON);
        return this.node(start, {
          kind: _kinds.Kind.ARGUMENT,
          name,
          value: this.parseValueLiteral(isConst)
        });
      }
      parseConstArgument() {
        return this.parseArgument(true);
      }