beta

README.md

@@ -1,2 +1,35 @@
 # interrelated
 js 数据双向关联
+
+
+```javascript
+
+import fmhub from './index.js'
+
+const fm = new fmhub()
+const users = ["0001", '0002', "0003", "0004"]
+
+// 一组用户全部订阅频道一
+users.forEach((item) => {
+  fm.set("频道一号", item)
+})
+
+// 操作所有订阅了频道一的用户
+fm.atob("频道一号", (data) => {
+  console.log(data)
+})
+
+fm.btoa("0002", (data) => {
+  console.log(data)
+})
+
+// console print:
+//
+// 0001
+// 0002
+// 0003
+// 0004
+// 频道一号
+//
+
+```

demo.js

@@ -0,0 +1,27 @@
+import fmhub from './index.js'
+
+const fm = new fmhub()
+const users = ["0001", '0002', "0003", "0004"]
+
+// 一组用户全部订阅频道一
+users.forEach((item) => {
+  fm.set("频道一号", item)
+})
+
+// 操作所有订阅了频道一的用户
+fm.atob("频道一号", (data) => {
+  console.log(data)
+})
+
+fm.btoa("0002", (data) => {
+  console.log(data)
+})
+
+// console print:
+//
+// 0001
+// 0002
+// 0003
+// 0004
+// 频道一号
+//

index.js

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+export default class interrelated {
+  constructor() {
+    this.channels = new Map()
+    this.users = new Map()
+  }
+
+  // 将两种类型的不同信息相关连
+  set(fid, uid) {
+    let channel = this.channels.get(fid) || new Map()
+    if (!channel.size) this.channels.set(fid, channel)
+    channel.set(uid, true)
+    let user = this.users.get(uid) || new Map()
+    if (!user.size) this.users.set(uid, user)
+    user.set(fid, true)
+  }
+
+  // 取消关联
+  delete(fid, uid) {
+    let channel = this.channels.get(fid)
+    if (channel && channel.size) channel.delete(uid)
+    let user = this.users.get(uid)
+    if (user && user.size) user.delete(fid)
+  }
+
+  // 读取类型 A 关联的 B
+  atob(uid, callback) {
+    let channel = this.channels.get(uid)
+    if (channel && channel.size) {
+      channel.forEach((value, key) => {
+        callback(key)
+      })
+    }
+  }
+
+  // 读取类型 B 关联的 A
+  btoa(fid, callback) {
+    let user = this.users.get(fid)
+    if (user && user.size) {
+      user.forEach((value, key) => {
+        callback(key)
+      })
+    }
+  }
+
+  // 读取所有 a
+  aall(uid, callback) {
+    this.channels.forEach((value, key) => {
+      callback(key)
+    })
+  }
+
+  // 读取所有 b
+  ball(fid, callback) {
+    this.users.forEach((value, key) => {
+      callback(key)
+    })
+  }
+}

package.json

@@ -0,0 +1,20 @@
+{
+  "name": "interrelated",
+  "version": "1.0.0",
+  "description": "js 数据双向关联",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "demo.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/InvisibleFuture/interrelated.git"
+  },
+  "author": "satori.love",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/InvisibleFuture/interrelated/issues"
+  },
+  "homepage": "https://github.com/InvisibleFuture/interrelated#readme"
+}