feat: make it work with Vue 2

__tests__/src/index.ts

@@ -1,11 +1,11 @@
-import Vue, { nextTick } from 'vue'
+import { nextTick } from 'vue-demi'
 import { MockFirebase, MockedReference } from 'firebase-mock'
 import { firestore } from 'firebase'
 import { walkSet } from '../../src/core'
 
 // Vue.config.productionTip = false
 // Vue.config.devtools = false
-export { Vue, MockFirebase, MockedReference }
+export { MockFirebase, MockedReference }
 
 export * from './mock'
 

package.json

@@ -3,9 +3,8 @@
   "version": "3.0.0",
   "description": "Some awesome description",
   "main": "dist/vuefire.cjs.js",
-  "browser": "dist/vuefire.esm-browser.js",
-  "unpkg": "dist/vuefire.global.js",
-  "jsdelivr": "dist/vuefire.global.js",
+  "unpkg": "dist/vuefire.global-vue-2.js",
+  "jsdelivr": "dist/vuefire.global-vue-2.js",
   "module": "dist/vuefire.esm-bundler.js",
   "types": "dist/vuefire.d.ts",
   "sideEffects": false,
@@ -84,7 +83,8 @@
     }
   ],
   "peerDependencies": {
-    "vue": "^3.0.0-beta.20"
+    "@vue/composition-api": "^1.0.0-beta.1",
+    "vue": "^2.0.0 || >=3.0.0-rc.0"
   },
   "repository": {
     "type": "git",
@@ -93,5 +93,8 @@
   "bugs": {
     "url": "https://github.com/posva/vuefire/issues"
   },
-  "homepage": "https://github.com/posva/vuefire#readme"
+  "homepage": "https://github.com/posva/vuefire#readme",
+  "dependencies": {
+    "vue-demi": "^0.4.5"
+  }
 }

rollup.config.js

@@ -41,13 +41,13 @@ const outputConfigs = {
     file: pkg.main,
     format: `cjs`,
   },
-  global: {
-    file: pkg.unpkg,
+  'global-vue-3': {
+    file: pkg.unpkg.replace('2', '3'),
     format: `iife`,
   },
-  esm: {
-    file: pkg.browser,
-    format: `es`,
+  'global-vue-2': {
+    file: pkg.unpkg,
+    format: `iife`,
   },
 }
 
@@ -61,7 +61,7 @@ const packageConfigs = packageFormats.map((format) =>
 packageFormats.forEach((format) => {
   if (format === 'cjs') {
     packageConfigs.push(createProductionConfig(format))
-  } else if (format === 'global') {
+  } else if (format.startsWith('global')) {
     packageConfigs.push(createMinifiedConfig(format))
   }
 })
@@ -77,10 +77,10 @@ function createConfig(format, output, plugins = []) {
   output.sourcemap = !!process.env.SOURCE_MAP
   output.banner = banner
   output.externalLiveBindings = false
-  output.globals = { vue: 'Vue' }
+  output.globals = { 'vue-demi': 'VueDemi' }
 
   const isProductionBuild = /\.prod\.js$/.test(output.file)
-  const isGlobalBuild = format === 'global'
+  const isGlobalBuild = format.startsWith('global')
   const isRawESMBuild = format === 'esm'
   const isNodeBuild = format === 'cjs'
   const isBundlerESMBuild = /esm-bundler/.test(format)
@@ -107,7 +107,7 @@ function createConfig(format, output, plugins = []) {
   // during a single build.
   hasTSChecked = true
 
-  const external = ['vue']
+  const external = ['vue-demi']
 
   const nodePlugins = [resolve(), commonjs()]
 

src/firestore/index.ts

@@ -1,7 +1,7 @@
 import { createSnapshot, extractRefs, FirestoreSerializer } from './utils'
 import { walkGet, callOnceWithArg, OperationsType } from '../shared'
 import { firestore } from 'firebase'
-import { ref, Ref, unref } from 'vue'
+import { ref, Ref, unref } from 'vue-demi'
 
 export interface FirestoreOptions {
   maxRefDepth?: number

src/rtdb/index.ts

@@ -5,7 +5,7 @@ import {
   RTDBSerializer,
 } from './utils'
 import { OperationsType, ResetOption } from '../shared'
-import { ref, Ref, unref } from 'vue'
+import { ref, Ref, unref } from 'vue-demi'
 
 export interface RTDBOptions {
   reset?: ResetOption

src/vuefire/firestore.ts

@@ -16,7 +16,7 @@ import {
   ref,
   Ref,
   toRef,
-} from 'vue'
+} from 'vue-demi'
 
 export const ops: OperationsType = {
   set: (target, key, value) => walkSet(target, key, value),

src/vuefire/rtdb.ts

@@ -14,7 +14,7 @@ import {
   toRef,
   getCurrentInstance,
   onBeforeUnmount,
-} from 'vue'
+} from 'vue-demi'
 
 /**
  * Returns the original reference of a Firebase reference or query across SDK versions.

yarn.lock

@@ -8910,6 +8910,11 @@ vm-browserify@^1.0.1:
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-1.1.2.tgz#78641c488b8e6ca91a75f511e7a3b32a86e5dda0"
   integrity sha512-2ham8XPWTONajOR0ohOKOHXkm3+gaBmGut3SRuu75xLd/RRaY6vqgh8NBYYk7+RW3u5AtzPQZG8F10LHkl0lAQ==
 
+vue-demi@^0.4.5:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/vue-demi/-/vue-demi-0.4.5.tgz#ea422a4468cb6321a746826a368a770607f87791"
+  integrity sha512-51xf1B6hV2PfjnzYHO/yUForFCRQ49KS8ngQb5T6l1HDEmfghTFtsxtRa5tbx4eqQsH76ll/0gIxuf1gei0ubw==
+
 vue@^3.0.0-rc.5:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/vue/-/vue-3.0.3.tgz#ad94a475e6ebbf3904673b6a0ae46e47b957bd72"