Function someSignatureUsage

test/fixtures/snapshot/typescript.js:138028–138049

(signature, sourceFiles, checker, cb)

            }
            Core.getTopMostDeclarationNamesInFile = getTopMostDeclarationNamesInFile;
            function someSignatureUsage(signature, sourceFiles, checker, cb) {
                if (!signature.name || !ts.isIdentifier(signature.name))
                    return false;
                var symbol = ts.Debug.checkDefined(checker.getSymbolAtLocation(signature.name));
                for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) {
                    var sourceFile = sourceFiles_3[_i];
                    for (var _a = 0, _b = getPossibleSymbolReferenceNodes(sourceFile, symbol.name); _a < _b.length; _a++) {
                        var name = _b[_a];
                        if (!ts.isIdentifier(name) || name === signature.name || name.escapedText !== signature.name.escapedText)
                            continue;
                        var called = ts.climbPastPropertyAccess(name);
                        var call = ts.isCallExpression(called.parent) && called.parent.expression === called ? called.parent : undefined;
                        var referenceSymbol = checker.getSymbolAtLocation(name);
                        if (referenceSymbol && checker.getRootSymbols(referenceSymbol).some(function (s) { return s === symbol; })) {
                            if (cb(name, call)) {
                                return true;
                            }
                        }
                    }
                }
                return false;
            }
            Core.someSignatureUsage = someSignatureUsage;
            function getPossibleSymbolReferenceNodes(sourceFile, symbolName, container) {
                if (container === void 0) { container = sourceFile; }