feat: #2 add prompt list

app/store/prompt.ts

@@ -0,0 +1,96 @@
+import { create } from "zustand";
+import { persist } from "zustand/middleware";
+import JsSearch from "js-search";
+
+export interface Prompt {
+  id?: number;
+  shortcut: string;
+  title: string;
+  content: string;
+}
+
+export interface PromptStore {
+  latestId: number;
+  prompts: Map<number, Prompt>;
+
+  add: (prompt: Prompt) => number;
+  remove: (id: number) => void;
+  search: (text: string) => Prompt[];
+}
+
+export const PROMPT_KEY = "prompt-store";
+
+export const SearchService = {
+  ready: false,
+  progress: 0, // 0 - 1, 1 means ready
+  engine: new JsSearch.Search("prompts"),
+  deleted: new Set<number>(),
+
+  async init(prompts: PromptStore["prompts"]) {
+    this.engine.addIndex("id");
+    this.engine.addIndex("shortcut");
+    this.engine.addIndex("title");
+
+    const n = prompts.size;
+    let count = 0;
+    for await (const prompt of prompts.values()) {
+      this.engine.addDocument(prompt);
+      count += 1;
+      this.progress = count / n;
+    }
+    this.ready = true;
+  },
+
+  remove(id: number) {
+    this.deleted.add(id);
+  },
+
+  add(prompt: Prompt) {
+    this.engine.addDocument(prompt);
+  },
+
+  search(text: string) {
+    const results = this.engine.search(text) as Prompt[];
+    return results.filter((v) => !v.id || !this.deleted.has(v.id));
+  },
+};
+
+export const usePromptStore = create<PromptStore>()(
+  persist(
+    (set, get) => ({
+      latestId: 0,
+      prompts: new Map(),
+
+      add(prompt) {
+        const prompts = get().prompts;
+        prompt.id = get().latestId + 1;
+        prompts.set(prompt.id, prompt);
+
+        set(() => ({
+          latestId: prompt.id!,
+          prompts: prompts,
+        }));
+
+        return prompt.id!;
+      },
+
+      remove(id) {
+        const prompts = get().prompts;
+        prompts.delete(id);
+        SearchService.remove(id);
+
+        set(() => ({
+          prompts,
+        }));
+      },
+
+      search(text) {
+        return SearchService.search(text) as Prompt[];
+      },
+    }),
+    {
+      name: PROMPT_KEY,
+      version: 1,
+    }
+  )
+);