Function getReferencedSymbolsForModule

test/fixtures/snapshot/typescript.js:137525–137580

(program, symbol, excludeImportTypeOfExportEquals, sourceFiles, sourceFilesSet)

                return program.getSourceFiles().indexOf(sourceFile);
            }
            function getReferencedSymbolsForModule(program, symbol, excludeImportTypeOfExportEquals, sourceFiles, sourceFilesSet) {
                ts.Debug.assert(!!symbol.valueDeclaration);
                var references = ts.mapDefined(FindAllReferences.findModuleReferences(program, sourceFiles, symbol), function (reference) {
                    if (reference.kind === "import") {
                        var parent = reference.literal.parent;
                        if (ts.isLiteralTypeNode(parent)) {
                            var importType = ts.cast(parent.parent, ts.isImportTypeNode);
                            if (excludeImportTypeOfExportEquals && !importType.qualifier) {
                                return undefined;
                            }
                        }
                        // import("foo") with no qualifier will reference the `export =` of the module, which may be referenced anyway.
                        return nodeEntry(reference.literal);
                    }
                    else {
                        return {
                            kind: 0 /* EntryKind.Span */,
                            fileName: reference.referencingFile.fileName,
                            textSpan: ts.createTextSpanFromRange(reference.ref),
                        };
                    }
                });
                if (symbol.declarations) {
                    for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) {
                        var decl = _a[_i];
                        switch (decl.kind) {
                            case 305 /* SyntaxKind.SourceFile */:
                                // Don't include the source file itself. (This may not be ideal behavior, but awkward to include an entire file as a reference.)
                                break;
                            case 261 /* SyntaxKind.ModuleDeclaration */:
                                if (sourceFilesSet.has(decl.getSourceFile().fileName)) {
                                    references.push(nodeEntry(decl.name));
                                }
                                break;
                            default:
                                // This may be merged with something.
                                ts.Debug.assert(!!(symbol.flags & 33554432 /* SymbolFlags.Transient */), "Expected a module symbol to be declared by a SourceFile or ModuleDeclaration.");
                        }
                    }
                }
                var exported = symbol.exports.get("export=" /* InternalSymbolName.ExportEquals */);
                if (exported === null || exported === void 0 ? void 0 : exported.declarations) {
                    for (var _b = 0, _c = exported.declarations; _b < _c.length; _b++) {
                        var decl = _c[_b];
                        var sourceFile = decl.getSourceFile();
                        if (sourceFilesSet.has(sourceFile.fileName)) {
                            // At `module.exports = ...`, reference node is `module`
                            var node = ts.isBinaryExpression(decl) && ts.isPropertyAccessExpression(decl.left) ? decl.left.expression :
                                ts.isExportAssignment(decl) ? ts.Debug.checkDefined(ts.findChildOfKind(decl, 93 /* SyntaxKind.ExportKeyword */, sourceFile)) :
                                    ts.getNameOfDeclaration(decl) || decl;
                            references.push(nodeEntry(node));
                        }
                    }
                }
                return references.length ? [{ definition: { type: 0 /* DefinitionKind.Symbol */, symbol: symbol }, references: references }] : ts.emptyArray;
            }
            /** As in a `readonly prop: any` or `constructor(readonly prop: any)`, not a `readonly any[]`. */
            function isReadonlyTypeOperator(node) {