Function createExistingImportMap

test/fixtures/snapshot/typescript.js:153313–153344

(checker, importingFile, compilerOptions)

            });
        }
        function createExistingImportMap(checker, importingFile, compilerOptions) {
            var importMap;
            for (var _i = 0, _a = importingFile.imports; _i < _a.length; _i++) {
                var moduleSpecifier = _a[_i];
                var i = ts.importFromModuleSpecifier(moduleSpecifier);
                if (ts.isVariableDeclarationInitializedToRequire(i.parent)) {
                    var moduleSymbol = checker.resolveExternalModuleName(moduleSpecifier);
                    if (moduleSymbol) {
                        (importMap || (importMap = ts.createMultiMap())).add(ts.getSymbolId(moduleSymbol), i.parent);
                    }
                }
                else if (i.kind === 266 /* SyntaxKind.ImportDeclaration */ || i.kind === 265 /* SyntaxKind.ImportEqualsDeclaration */) {
                    var moduleSymbol = checker.getSymbolAtLocation(moduleSpecifier);
                    if (moduleSymbol) {
                        (importMap || (importMap = ts.createMultiMap())).add(ts.getSymbolId(moduleSymbol), i);
                    }
                }
            }
            return {
                getImportsForExportInfo: function (_a) {
                    var moduleSymbol = _a.moduleSymbol, exportKind = _a.exportKind, targetFlags = _a.targetFlags, symbol = _a.symbol;
                    // Can't use an es6 import for a type in JS.
                    if (!(targetFlags & 111551 /* SymbolFlags.Value */) && ts.isSourceFileJS(importingFile))
                        return ts.emptyArray;
                    var matchingDeclarations = importMap === null || importMap === void 0 ? void 0 : importMap.get(ts.getSymbolId(moduleSymbol));
                    if (!matchingDeclarations)
                        return ts.emptyArray;
                    var importKind = getImportKind(importingFile, exportKind, compilerOptions);
                    return matchingDeclarations.map(function (declaration) { return ({ declaration: declaration, importKind: importKind, symbol: symbol, targetFlags: targetFlags }); });
                }
            };
        }
        function shouldUseRequire(sourceFile, program) {
            // 1. TypeScript files don't use require variable declarations
            if (!ts.isSourceFileJS(sourceFile)) {