Function getPossibleNameForVarDecl

test/fixtures/snapshot/typescript.js:151642–151667

(node, transformer, continuationArgName)

            return createSynthIdentifier(renamedPrevArg);
        }
        function getPossibleNameForVarDecl(node, transformer, continuationArgName) {
            var possibleNameForVarDecl;
            // If there is another call in the chain after the .catch() or .finally() we are transforming, we will need to save the result of both paths
            // (try block and catch/finally block). To do this, we will need to synthesize a variable that we were not aware of while we were adding
            // identifiers to the synthNamesMap. We will use the continuationArgName and then update the synthNamesMap with a new variable name for
            // the next transformation step
            if (continuationArgName && !shouldReturn(node, transformer)) {
                if (isSynthIdentifier(continuationArgName)) {
                    possibleNameForVarDecl = continuationArgName;
                    transformer.synthNamesMap.forEach(function (val, key) {
                        if (val.identifier.text === continuationArgName.identifier.text) {
                            var newSynthName = createUniqueSynthName(continuationArgName);
                            transformer.synthNamesMap.set(key, newSynthName);
                        }
                    });
                }
                else {
                    possibleNameForVarDecl = createSynthIdentifier(ts.factory.createUniqueName("result", 16 /* GeneratedIdentifierFlags.Optimistic */), continuationArgName.types);
                }
                // We are about to write a 'let' variable declaration, but `transformExpression` for both
                // the try block and catch/finally block will assign to this name. Setting this flag indicates
                // that future assignments should be written as `name = value` instead of `const name = value`.
                declareSynthIdentifier(possibleNameForVarDecl);
            }
            return possibleNameForVarDecl;
        }
        function finishCatchOrFinallyTransform(node, transformer, tryStatement, possibleNameForVarDecl, continuationArgName) {
            var statements = [];
            // In order to avoid an implicit any, we will synthesize a type for the declaration using the unions of the types of both paths (try block and catch block)