- 更新index.d.ts

- 修复`search`的返回值类型，根据worker、db推断返回类型 - 更新types.ts 测试ts静态类型
2025-08-27 07:44:35 +02:00 · 2025-05-06 17:23:36 +08:00
parent a685bc1f8f
commit f32268c902
2 changed files with 91 additions and 41 deletions
--- a/index.d.ts
+++ b/index.d.ts
@@ -177,7 +177,7 @@ declare module "flexsearch" {
     * * Right-To-Left: https://github.com/nextapps-de/flexsearch/doc/encoder.md#right-to-left-support
     * * Language: https://github.com/nextapps-de/flexsearch/doc/encoder.md#built-in-language-packs
     */
-    type IndexOptions = {
+    type IndexOptions<D extends StorageInterface = undefined> = {
        preset?: Preset;
        tokenize?: Tokenizer;
        cache?: boolean | number;
@@ -195,7 +195,7 @@ declare module "flexsearch" {
        ) => number;

        // Persistent-specific options
-        db?: StorageInterface;
+        db?: D;
        commit?: boolean;

        // Language-specific Options and Encoding
@@ -228,8 +228,11 @@ declare module "flexsearch" {
     * * Usage: https://github.com/nextapps-de/flexsearch#usage
     */

-    export class Index {
-        constructor(options?: Preset | IndexOptions);
+    type IndexSearchResultsWrapper<W extends boolean = false, D extends StorageInterface = undefined, R extends boolean = false> =
+        W extends false ? D extends undefined ? SearchResults<R> : Promise<SearchResults<R>> : Promise<SearchResults<R>>
+
+    export class Index<W extends boolean = false, D extends StorageInterface = undefined> {
+        constructor(options?: Preset | IndexOptions<D>);

        add(id: Id, content: string): this | Promise<this>;

@@ -242,15 +245,15 @@ declare module "flexsearch" {

        remove(id: Id): this | Promise<this>;

-        search(query: string, limit?: Limit): SearchResults | Promise<SearchResults>;
-        search<R extends boolean = false>(query: string, options?: SearchOptions<R>): SearchResults<R> | Promise<SearchResults<R>>;
-        search<R extends boolean = false>(query: string, limit: Limit, options: SearchOptions<R>): SearchResults<R> | Promise<SearchResults<R>>;
-        search<R extends boolean = false>(options: SearchOptions<R>): SearchResults<R> | Promise<SearchResults<R>>;
+        search(query: string, limit?: Limit): IndexSearchResultsWrapper<W, D>;
+        search<R extends boolean = false>(query: string, options?: SearchOptions<R>): IndexSearchResultsWrapper<W, D, R>;
+        search<R extends boolean = false>(query: string, limit: Limit, options: SearchOptions<R>): IndexSearchResultsWrapper<W, D, R>;
+        search<R extends boolean = false>(options: SearchOptions<R>): IndexSearchResultsWrapper<W, D, R>;

-        searchCache(query: string, limit?: Limit): SearchResults | Promise<SearchResults>;
-        searchCache<R extends boolean = false>(query: string, options?: Limit | SearchOptions<R>): SearchResults<R> | Promise<SearchResults<R>>;
-        searchCache<R extends boolean = false>(query: string, limit: Limit, options: SearchOptions<R>): SearchResults<R> | Promise<SearchResults<R>>;
-        searchCache<R extends boolean = false>(options: SearchOptions<R>): SearchResults<R> | Promise<SearchResults<R>>;
+        searchCache(query: string, limit?: Limit): W extends false ? SearchResults : Promise<SearchResults>;
+        searchCache<R extends boolean = false>(query: string, options?: Limit | SearchOptions<R>): IndexSearchResultsWrapper<W, D, R>;
+        searchCache<R extends boolean = false>(query: string, limit: Limit, options: SearchOptions<R>): IndexSearchResultsWrapper<W, D, R>;
+        searchCache<R extends boolean = false>(options: SearchOptions<R>): IndexSearchResultsWrapper<W, D, R>;

        // https://github.com/nextapps-de/flexsearch#check-existence-of-already-indexed-ids
        contain(id: Id): boolean | Promise<boolean>;
@@ -328,7 +331,7 @@ declare module "flexsearch" {
     * * Worker index: https://github.com/nextapps-de/flexsearch#worker-index
     */

-    export class Worker extends Index {
+    export class Worker extends Index<true> {
        constructor(options?: Preset | WorkerIndexOptions);

        export(): Promise<void>;
@@ -366,8 +369,12 @@ declare module "flexsearch" {
     * * Document options: https://github.com/nextapps-de/flexsearch#document-options
     */

-    type DocumentOptions<D extends DocumentData = DocumentData> = IndexOptions & {
-        worker?: boolean | WorkerURL | WorkerPath;
+    type WorkerType = boolean | WorkerURL | WorkerPath
+
+    type DocumentOptions<D extends DocumentData = DocumentData, W extends WorkerType = false, B extends StorageInterface = undefined> =
+        IndexOptions<B>
+        & {
+        worker?: W;
        doc?: DocumentDescriptor<D>;
        document?: DocumentDescriptor<D>;
    };
@@ -442,14 +449,27 @@ declare module "flexsearch" {
        [key: string]: DocumentValue | DocumentValue[];
    };

+    type DocumentSearchResultsWrapper<
+        D extends DocumentData = DocumentData,
+        W extends WorkerType = false,
+        B extends StorageInterface = undefined,
+        R extends boolean = false,
+        E extends boolean = false,
+        M extends boolean = false,
+    > = W extends false
+        ? B extends undefined
+            ? DocumentSearchResults<D, R, E, M>
+            : Promise<DocumentSearchResults<D, R, E, M>>
+        : Promise<DocumentSearchResults<D, R, E, M>>
+
    /**
     * **Document:**
     * * Basic usage and variants: https://github.com/nextapps-de/flexsearch#basic-usage-and-variants
     * * API overview: https://github.com/nextapps-de/flexsearch#api-overview
     * * Document store: https://github.com/nextapps-de/flexsearch#document-store
     */
-    export class Document<D extends DocumentData = DocumentData> {
-        constructor(options: DocumentOptions<D>);
+    export class Document<D extends DocumentData = DocumentData, W extends WorkerType = false, B extends StorageInterface = undefined> {
+        constructor(options: DocumentOptions<D, W, B>);

        add(id: Id, document: D): this | Promise<this>;
        add(document: D): this | Promise<this>;
@@ -466,32 +486,32 @@ declare module "flexsearch" {
        remove(document: D): this | Promise<this>;

        // https://github.com/nextapps-de/flexsearch#field-search
-        search(query: string, limit: Limit): DocumentSearchResults<D> | Promise<DocumentSearchResults<D>>;
+        search(query: string, limit: Limit): DocumentSearchResultsWrapper<D, W, B>;
        search<R extends boolean = false, E extends boolean = false, M extends boolean = false>(
            query: string,
            options?: DocumentSearchOptions<D, R, E, M>,
-        ): DocumentSearchResults<D, R, E, M> | Promise<DocumentSearchResults<D, R, E, M>>;
+        ): DocumentSearchResultsWrapper<D, W, B, R, E, M>;
        search<R extends boolean = false, E extends boolean = false, M extends boolean = false>(
            query: string,
            limit: Limit,
            options: DocumentSearchOptions<D, R, E, M>,
-        ): DocumentSearchResults<D, R, E, M> | Promise<DocumentSearchResults<D, R, E, M>>;
+        ): DocumentSearchResultsWrapper<D, W, B, R, E, M>;
        search<R extends boolean = false, E extends boolean = false, M extends boolean = false>(
            options: DocumentSearchOptions<D, R, E, M>,
-        ): DocumentSearchResults<D, R, E, M> | Promise<DocumentSearchResults<D, R, E, M>>;
+        ): DocumentSearchResultsWrapper<D, W, B, R, E, M>;

-        searchCache(query: string, limit: Limit): DocumentSearchResults<D> | Promise<DocumentSearchResults<D>>;
+        searchCache(query: string, limit: Limit): W extends false ? DocumentSearchResults<D> : Promise<DocumentSearchResults<D>>;
        searchCache<R extends boolean = false, E extends boolean = false, M extends boolean = false>(
            query: string,
            options?: DocumentSearchOptions<D, R, E, M>,
-        ): DocumentSearchResults<D, R, E, M> | Promise<DocumentSearchResults<D, R, E, M>>;
+        ): DocumentSearchResultsWrapper<D, W, B, R, E, M>;
        searchCache<R extends boolean = false, E extends boolean = false, M extends boolean = false>(
            query: string,
            limit: Limit, options: DocumentSearchOptions<D, R, E, M>,
-        ): DocumentSearchResults<D, R, E, M> | Promise<DocumentSearchResults<D, R, E, M>>;
+        ): DocumentSearchResultsWrapper<D, W, B, R, E, M>;
        searchCache<R extends boolean = false, E extends boolean = false, M extends boolean = false>(
            options: DocumentSearchOptions<D, R, E, M>,
-        ): DocumentSearchResults<D, R, E, M> | Promise<DocumentSearchResults<D, R, E, M>>;
+        ): DocumentSearchResultsWrapper<D, W, B, R, E, M>;

        // https://github.com/nextapps-de/flexsearch#check-existence-of-already-indexed-ids
        contain(id: Id): boolean | Promise<boolean>;
@@ -689,7 +709,7 @@ declare module "flexsearch" {
        resolve(options?: DefaultResolve): SearchResults;
    }

-    class StorageInterface {
+    export class StorageInterface {
        db: any;

        constructor(name: string, config: PersistentOptions);
--- a/test/types.ts
+++ b/test/types.ts
@@ -1,20 +1,26 @@
-import { DefaultDocumentSearchResults, Document, Resolver } from "flexsearch";
+import {
+    DefaultDocumentSearchResults,
+    Document,
+    Index,
+    Worker,
+    Resolver,
+    StorageInterface,
+} from "flexsearch";
 import "../index";

-const document = new Document<{
+async function test() {
+    const document = new Document<{
        title: string
        description: string
        tags: {
            name: string
            id: number
        }[]
-}>({
+    }>({
        document: {
-        index: ["tags"],
+            index: [ "tags" ],
        },
-});
-
-async function test() {
+    });
    // The correct type
    const doc1 = await document.searchAsync({});
    const doc2: Resolver = await document.searchAsync({
@@ -35,6 +41,30 @@ async function test() {
    const docw2: DefaultDocumentSearchResults = await document.searchAsync({
        enrich: true,
    });
-    // ...
+    // Promise?
+    const documentNoWorker = new Document({});
+    const doc5 = documentNoWorker.search({}); // No Promise
+
+    const documentWorker = new Document({
+        worker: true,
+    });
+    const doc6 = await documentWorker.search({}) // Promise
+
+    const documentWorker2 = new Document({
+        worker: '...',
+    });
+    const doc7 = await documentWorker2.search({}) // Promise
+
+    const index = new Index({})
+    const idx = index.search({}) // No Promise
+
+    const worker =  new Worker()
+    const wkr = await worker.search({}) // Promise
+
+    const documentDb = new Document({
+        db: {} as unknown as StorageInterface
+    })
+
+    const doc8 = documentDb.search({}) // Promise
 }