Method parseClassDeclaration

src/parser.ts:3286–3303

(identifierIsOptional?: boolean)

    }

    parseClassDeclaration(identifierIsOptional?: boolean): Node.ClassDeclaration {
        const node = this.createNode();

        const previousStrict = this.context.strict;
        this.context.strict = true;
        this.expectKeyword('class');

        const id = (identifierIsOptional && (this.lookahead.type !== Token.Identifier)) ? null : this.parseVariableIdentifier();
        let superClass: Node.Identifier | null = null;
        if (this.matchKeyword('extends')) {
            this.nextToken();
            superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
        }
        const classBody = this.parseClassBody();
        this.context.strict = previousStrict;

        return this.finalize(node, new Node.ClassDeclaration(id, superClass, classBody));
    }

    parseClassExpression(): Node.ClassExpression {
        const node = this.createNode();