mmjs-core/dist/cjs/client/idb.js

mmjs-core hooks component vue

"use strict";var _=Object.defineProperty;var x=(b,l,t)=>l in b?_(b,l,{enumerable:!0,configurable:!0,writable:!0,value:t}):b[l]=t;var g=(b,l,t)=>x(b,typeof l!="symbol"?l+"":l,t);Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"});const O=require("../event/emitter.js");class I extends O.EventEmitter{constructor(t){var e,r,o;super();g(this,"_options");g(this,"_idb");g(this,"_table");g(this,"_tableOptions");if(this._options=t,this._tableOptions={name:((e=t==null?void 0:t.table)==null?void 0:e.name)??this.constructor.name,options:(r=t==null?void 0:t.table)==null?void 0:r.options,transaction:(o=t.table)==null?void 0:o.transaction},!this._tableOptions.name)throw new TypeError("表名不能为空");this._idb=this._createDatabase(),this._table=this._createTable()}get options(){return this._options}get idb(){return this._idb}get table(){return this._table}_createDatabase(){return new Promise((t,e)=>{var d,u,w,$;if(!window.indexedDB){const s=new Error("浏览器不支持 IndexedDB");return this.emit("error",{error:s}),e(s)}const r=((u=(d=this._options)==null?void 0:d.database)==null?void 0:u.name)??"base",o=(($=(w=this._options)==null?void 0:w.database)==null?void 0:$.version)??1,i=indexedDB.open(r,o);i.onupgradeneeded=s=>{var S;const a=s.target.result,{name:c,options:y}=this._tableOptions??{};if(!c){const n=new Error("表名未定义");this.emit("error",{error:n,originalEvent:s}),e(n);return}let h;a.objectStoreNames.contains(c)?(h=s.target.transaction.objectStore(c),console.log(`[IndexedDB] 复用已有表：${c}`)):(h=a.createObjectStore(c,y),console.log(`[IndexedDB] 创建新表：${c}`));const m=((S=this.options.index)==null?void 0:S.list)??[],j=new Set(m.map(n=>n.name));Array.from(h.indexNames).forEach(n=>{j.has(n)||(h.deleteIndex(n),console.log(`[IndexedDB] 删除废弃索引：${n}`))}),m.forEach(n=>{h.indexNames.contains(n.name)||(h.createIndex(n.name,n.keyPath,n.options),console.log(`[IndexedDB] 创建新索引：${n.name}`))}),this.emit("upgradeneeded",{db:a,oldVersion:s.oldVersion,newVersion:s.newVersion,originalEvent:s})},i.onerror=s=>{const a=s.target.error;console.error("[IndexedDB] 初始化错误:",a),this.emit("error",{error:a,originalEvent:s}),e(a)},i.onsuccess=s=>{const a=s.target.result;console.log(`[IndexedDB] 打开成功，版本：${a.version}`),a.onclose=c=>{console.log("[IndexedDB] 数据库已关闭"),this.emit("close",{originalEvent:c})},a.onabort=c=>{console.log("[IndexedDB] 事务已中断"),this.emit("abort",{originalEvent:c})},this.emit("success",{db:a,originalEvent:s}),t(a)}})}async _createTable(){if(!this._tableOptions){const r=new Error("表配置参数错误");return this.emit("error",{error:r}),Promise.reject(r)}const t=await this._idb,{name:e}=this._tableOptions;return t.transaction(e,"readonly").objectStore(e)}async $getObjectStore(t="readonly"){const e=await this._idb,{name:r}=this._tableOptions??{},o=e.transaction([r],t);return o.onerror=i=>{const d=i.target.error;this.emit("error",{error:d,originalEvent:i})},o.onabort=i=>{this.emit("abort",{originalEvent:i})},o.objectStore(r)}$wait(t){return new Promise((e,r)=>{try{const o=i=>{i.onsuccess=()=>e(i),i.onerror=d=>{const u=d.target.error;this.emit("error",{error:u,originalEvent:d}),r(u)}};t instanceof Promise?t.then(o).catch(r):o(t)}catch(o){this.emit("error",{error:o}),r(o)}})}async $add(t,e){const r=await this.$getObjectStore("readwrite");return this.$wait(r.add(t,e))}async $delete(t){const e=await this.$getObjectStore("readwrite");return this.$wait(e.delete(t))}async $deleteIndex(t){return(await this.$getObjectStore("readwrite")).deleteIndex(t)}async $put(t,e){const r=await this.$getObjectStore("readwrite");return this.$wait(r.put(t,e))}async $get(t){const e=await this.$getObjectStore("readonly");return(await this.$wait(e.get(t))).result}async $count(t){const e=await this.$getObjectStore("readonly");return(await this.$wait(e.count(t))).result}async $openCursor(t,e){const r=await this.$getObjectStore("readonly");return this.$wait(r.openCursor(t,e))}async $getAll(t,e){const r=await this.$getObjectStore("readonly");return(await this.$wait(r.getAll(t,e))).result}async $getAllKeys(t,e){const r=await this.$getObjectStore("readonly");return(await this.$wait(r.getAllKeys(t,e))).result}async $clear(){const t=await this.$getObjectStore("readwrite");return this.$wait(t.clear())}async $idbIndex(t){return(await this.$getObjectStore("readonly")).index(t)}async $close(){(await this.idb).close()}}exports.WebIdbDatabase=I;