Function collectAutoImports

test/fixtures/snapshot/typescript.js:134016–134117

Mutates `symbols`, `symbolToOriginInfoMap`, and `symbolToSortTextMap`

()

            }
            /** Mutates `symbols`, `symbolToOriginInfoMap`, and `symbolToSortTextMap` */
            function collectAutoImports() {
                var _a, _b;
                if (!shouldOfferImportCompletions())
                    return;
                ts.Debug.assert(!(detailsEntryId === null || detailsEntryId === void 0 ? void 0 : detailsEntryId.data), "Should not run 'collectAutoImports' when faster path is available via `data`");
                if (detailsEntryId && !detailsEntryId.source) {
                    // Asking for completion details for an item that is not an auto-import
                    return;
                }
                flags |= 1 /* CompletionInfoFlags.MayIncludeAutoImports */;
                // import { type | -> token text should be blank
                var isAfterTypeOnlyImportSpecifierModifier = previousToken === contextToken
                    && importCompletionNode
                    && couldBeTypeOnlyImportSpecifier(importCompletionNode, contextToken);
                var lowerCaseTokenText = isAfterTypeOnlyImportSpecifierModifier ? "" :
                    previousToken && ts.isIdentifier(previousToken) ? previousToken.text.toLowerCase() :
                        "";
                var moduleSpecifierCache = (_a = host.getModuleSpecifierCache) === null || _a === void 0 ? void 0 : _a.call(host);
                var exportInfo = ts.getExportInfoMap(sourceFile, host, program, cancellationToken);
                var packageJsonAutoImportProvider = (_b = host.getPackageJsonAutoImportProvider) === null || _b === void 0 ? void 0 : _b.call(host);
                var packageJsonFilter = detailsEntryId ? undefined : ts.createPackageJsonImportFilter(sourceFile, preferences, host);
                resolvingModuleSpecifiers("collectAutoImports", host, importSpecifierResolver || (importSpecifierResolver = ts.codefix.createImportSpecifierResolver(sourceFile, program, host, preferences)), program, position, preferences, !!importCompletionNode, ts.isValidTypeOnlyAliasUseSite(location), function (context) {
                    exportInfo.search(sourceFile.path, 
                    /*preferCapitalized*/ isRightOfOpenTag, function (symbolName, targetFlags) {
                        if (!ts.isIdentifierText(symbolName, ts.getEmitScriptTarget(host.getCompilationSettings())))
                            return false;
                        if (!detailsEntryId && ts.isStringANonContextualKeyword(symbolName))
                            return false;
                        if (!isTypeOnlyLocation && !importCompletionNode && !(targetFlags & 111551 /* SymbolFlags.Value */))
                            return false;
                        if (isTypeOnlyLocation && !(targetFlags & (1536 /* SymbolFlags.Module */ | 788968 /* SymbolFlags.Type */)))
                            return false;
                        // Do not try to auto-import something with a lowercase first letter for a JSX tag
                        var firstChar = symbolName.charCodeAt(0);
                        if (isRightOfOpenTag && (firstChar < 65 /* CharacterCodes.A */ || firstChar > 90 /* CharacterCodes.Z */))
                            return false;
                        if (detailsEntryId)
                            return true;
                        return charactersFuzzyMatchInString(symbolName, lowerCaseTokenText);
                    }, function (info, symbolName, isFromAmbientModule, exportMapKey) {
                        var _a;
                        if (detailsEntryId && !ts.some(info, function (i) { return detailsEntryId.source === ts.stripQuotes(i.moduleSymbol.name); })) {
                            return;
                        }
                        // Do a relatively cheap check to bail early if all re-exports are non-importable
                        // due to file location or package.json dependency filtering. For non-node16+
                        // module resolution modes, getting past this point guarantees that we'll be
                        // able to generate a suitable module specifier, so we can safely show a completion,
                        // even if we defer computing the module specifier.
                        var firstImportableExportInfo = ts.find(info, isImportableExportInfo);
                        if (!firstImportableExportInfo) {
                            return;
                        }
                        // In node16+, module specifier resolution can fail due to modules being blocked
                        // by package.json `exports`. If that happens, don't show a completion item.
                        // N.B. in this resolution mode we always try to resolve module specifiers here,
                        // because we have to know now if it's going to fail so we can omit the completion
                        // from the list.