/TypeScript/For (... in ...) statements must be filtered with an if statement (forin)

For (... in ...) statements must be filtered with an if statement (forin)

    for (const errorName in state.errors) {
      if (state.errors.hasOwnProperty(errorName)) {
        switch (errorName) {

Source: stackoverflow.com

For (... in ...) statements must be filtered with an if statement (forin)

function isFiltered({statements}: ts.Block): boolean {
    switch (statements.length) {
        case 0: return true;
        case 1: return statements[0].kind === ts.SyntaxKind.IfStatement;
        default:
            return statements[0].kind === ts.SyntaxKind.IfStatement && nodeIsContinue((statements[0] as ts.IfStatement).thenStatement);
    }

}

Source: stackoverflow.com

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