Function doAddExistingFix

test/fixtures/snapshot/typescript.js:153779–153855

(changes, sourceFile, clause, defaultImport, namedImports, compilerOptions)

            }
        }
        function doAddExistingFix(changes, sourceFile, clause, defaultImport, namedImports, compilerOptions) {
            var _a;
            if (clause.kind === 201 /* SyntaxKind.ObjectBindingPattern */) {
                if (defaultImport) {
                    addElementToBindingPattern(clause, defaultImport.name, "default");
                }
                for (var _i = 0, namedImports_1 = namedImports; _i < namedImports_1.length; _i++) {
                    var specifier = namedImports_1[_i];
                    addElementToBindingPattern(clause, specifier.name, /*propertyName*/ undefined);
                }
                return;
            }
            var promoteFromTypeOnly = clause.isTypeOnly && ts.some(__spreadArray([defaultImport], namedImports, true), function (i) { return (i === null || i === void 0 ? void 0 : i.addAsTypeOnly) === 4 /* AddAsTypeOnly.NotAllowed */; });
            var existingSpecifiers = clause.namedBindings && ((_a = ts.tryCast(clause.namedBindings, ts.isNamedImports)) === null || _a === void 0 ? void 0 : _a.elements);
            // If we are promoting from a type-only import and `--isolatedModules` and `--preserveValueImports`
            // are enabled, we need to make every existing import specifier type-only. It may be possible that
            // some of them don't strictly need to be marked type-only (if they have a value meaning and are
            // never used in an emitting position). These are allowed to be imported without being type-only,
            // but the user has clearly already signified that they don't need them to be present at runtime
            // by placing them in a type-only import. So, just mark each specifier as type-only.
            var convertExistingToTypeOnly = promoteFromTypeOnly && compilerOptions.preserveValueImports && compilerOptions.isolatedModules;
            if (defaultImport) {
                ts.Debug.assert(!clause.name, "Cannot add a default import to an import clause that already has one");
                changes.insertNodeAt(sourceFile, clause.getStart(sourceFile), ts.factory.createIdentifier(defaultImport.name), { suffix: ", " });
            }
            if (namedImports.length) {
                var newSpecifiers = ts.stableSort(namedImports.map(function (namedImport) { return ts.factory.createImportSpecifier((!clause.isTypeOnly || promoteFromTypeOnly) && needsTypeOnly(namedImport), 
                /*propertyName*/ undefined, ts.factory.createIdentifier(namedImport.name)); }), ts.OrganizeImports.compareImportOrExportSpecifiers);
                if ((existingSpecifiers === null || existingSpecifiers === void 0 ? void 0 : existingSpecifiers.length) && ts.OrganizeImports.importSpecifiersAreSorted(existingSpecifiers)) {
                    for (var _b = 0, newSpecifiers_1 = newSpecifiers; _b < newSpecifiers_1.length; _b++) {
                        var spec = newSpecifiers_1[_b];
                        // Organize imports puts type-only import specifiers last, so if we're
                        // adding a non-type-only specifier and converting all the other ones to
                        // type-only, there's no need to ask for the insertion index - it's 0.
                        var insertionIndex = convertExistingToTypeOnly && !spec.isTypeOnly
                            ? 0
                            : ts.OrganizeImports.getImportSpecifierInsertionIndex(existingSpecifiers, spec);
                        changes.insertImportSpecifierAtIndex(sourceFile, spec, clause.namedBindings, insertionIndex);
                    }
                }
                else if (existingSpecifiers === null || existingSpecifiers === void 0 ? void 0 : existingSpecifiers.length) {
                    for (var _c = 0, newSpecifiers_2 = newSpecifiers; _c < newSpecifiers_2.length; _c++) {
                        var spec = newSpecifiers_2[_c];
                        changes.insertNodeInListAfter(sourceFile, ts.last(existingSpecifiers), spec, existingSpecifiers);
                    }
                }
                else {
                    if (newSpecifiers.length) {
                        var namedImports_2 = ts.factory.createNamedImports(newSpecifiers);
                        if (clause.namedBindings) {
                            changes.replaceNode(sourceFile, clause.namedBindings, namedImports_2);
                        }
                        else {
                            changes.insertNodeAfter(sourceFile, ts.Debug.checkDefined(clause.name, "Import clause must have either named imports or a default import"), namedImports_2);
                        }
                    }
                }
            }