Method parseDirective

src/parser.ts:2998–3007

()

    // https://tc39.github.io/ecma262/#sec-directive-prologues-and-the-use-strict-directive

    parseDirective(): Node.Directive | Node.ExpressionStatement {
        const token = this.lookahead;

        const node = this.createNode();
        const expr = this.parseExpression();
        const directive = (expr.type === Syntax.Literal) ? this.getTokenRaw(token).slice(1, -1) : null;
        this.consumeSemicolon();

        return this.finalize(node, directive ? new Node.Directive(expr, directive) : new Node.ExpressionStatement(expr));
    }

    parseDirectivePrologues(): Node.Statement[] {
        let firstRestricted: RawToken | null = null;