error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.


!!! error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== downlevelLetConst14.ts (0 errors) ====
    'use strict'
    declare function use(a: any);
    
    var x = 10;
    var z0, z1, z2, z3;
    {
        let x = 20;
        use(x);
    
        let [z0] = [1];
        use(z0);
        let [z1] = [1]
        use(z1);
        let {a: z2} = { a: 1 };
        use(z2);
        let {a: z3} = { a: 1 };
        use(z3);
    }
    use(x);
    use(z0);
    use(z1);
    use(z2);
    use(z3);
    var z6;
    var y = true;
    {
        let y = "";
        let [z6] = [true]
        {
            let y = 1;
            let {a: z6} = {a: 1}
            use(y);
            use(z6);
        }
        use(y);
        use(z6);
    }
    use(y);
    use(z6);
    
    var z = false;
    var z5 = 1;
    {
        let z = "";
        let [z5] = [5];
        {
            let _z = 1;
            let {a: _z5} = { a: 1 };
            // try to step on generated name
            use(_z);
        }
        use(z);
    }
    use(y);