Method checkPatternParam

src/parser.ts:1549–1576

(options, param)

    // https://tc39.github.io/ecma262/#sec-assignment-operators

    checkPatternParam(options, param) {
        switch (param.type) {
            case Syntax.Identifier:
                this.validateParam(options, param, param.name);
                break;
            case Syntax.RestElement:
                this.checkPatternParam(options, param.argument);
                break;
            case Syntax.AssignmentPattern:
                this.checkPatternParam(options, param.left);
                break;
            case Syntax.ArrayPattern:
                for (let i = 0; i < param.elements.length; i++) {
                    if (param.elements[i] !== null) {
                        this.checkPatternParam(options, param.elements[i]);
                    }
                }
                break;
            case Syntax.ObjectPattern:
                for (let i = 0; i < param.properties.length; i++) {
                    this.checkPatternParam(options, param.properties[i].value);
                }
                break;
            default:
                break;
        }
        options.simple = options.simple && (param instanceof Node.Identifier);
    }

    reinterpretAsCoverFormalsList(expr) {
        let params = [expr];