Method parseReturnStatement

src/parser.ts:2401–2418

()

    // https://tc39.github.io/ecma262/#sec-return-statement

    parseReturnStatement(): Node.ReturnStatement {
        if (!this.context.inFunctionBody) {
            this.tolerateError(Messages.IllegalReturn);
        }

        const node = this.createNode();
        this.expectKeyword('return');

        const hasArgument = (!this.match(';') && !this.match('}') &&
            !this.hasLineTerminator && this.lookahead.type !== Token.EOF) ||
            this.lookahead.type === Token.StringLiteral ||
            this.lookahead.type === Token.Template;

        const argument = hasArgument ? this.parseExpression() : null;
        this.consumeSemicolon();

        return this.finalize(node, new Node.ReturnStatement(argument));
    }

    // https://tc39.github.io/ecma262/#sec-with-statement