Typescript - recursive function

Question

I have created recursive (rec) function inside setBinary method in typescript. But some reason it is not working in typescript but working in Angular.

How to convert the following angular to typescript.

While running gives an error "rec is not a function"

setBinary(rowId, vId, data) {          
   let pri;
    let pvi;
    let rec;


    rec (pri, pvi) {
        let latest = [];
        if (this.copyColumns[pri]) {
            this.copyColumns[pri].values[pvi].active = true;          

           let  x = this.copyColumns[pri].values[pvi]
            rec(x.pri, x.pvi)
        }
    };

    rec(data.pri, data.pvi)

}

rec must be declared a function, if this code is to run in either typescript or javascript — Rob_M
– Rob_M, Commented Mar 10, 2019 at 4:56

Rob_M · Accepted Answer · 2019-03-10 05:01:26Z

1

Once you declare your function setBinary and your function rec, you have code which will compile.

function setBinary(rowId, vId, data) {          
    let pri;
    let pvi;

    let rec = function (pri, pvi) {
        let latest = [];
        if (this.copyColumns[pri]) {
            this.copyColumns[pri].values[pvi].active = true;          

           let  x = this.copyColumns[pri].values[pvi]
           rec(x.pri, x.pvi)
        }
    };

    rec(data.pri, data.pvi)
}

answered Mar 10, 2019 at 5:01

Rob_M

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