feat(overmind-svelte): add svelte plugin

Author: mfeitoza

package.json

@@ -57,6 +57,7 @@
     "react-icons": "^3.5.0",
     "react-split-pane": "0.1.87",
     "styled-components": "3.3.3",
+    "svelte": "^3.20.1",
     "tslib": "1.10.0",
     "vscode": "^1.1.36",
     "vue": "2.6.10",

packages/node_modules/overmind-svelte/.npmignore

@@ -0,0 +1,3 @@
+src
+jest.config.js
+tsconfig.json

packages/node_modules/overmind-svelte/README.md

@@ -0,0 +1,3 @@
+# overmind-vue
+
+[https://overmindjs.org](https://overmindjs.org)

packages/node_modules/overmind-svelte/jest.config.js

@@ -0,0 +1,21 @@
+module.exports = {
+  collectCoverage: true,
+  collectCoverageFrom: ['src/**/*.{t,j}s?(x)', '!src/**/*.d.ts'],
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+  testRegex: '\\.test\\.tsx?$',
+  testPathIgnorePatterns: [
+    '/dist/',
+    '/es/',
+    '/lib/',
+    '<rootDir>/node_modules/',
+  ],
+  transformIgnorePatterns: ['<rootDir>/node_modules/'],
+  coveragePathIgnorePatterns: ['<rootDir>/node_modules/'],
+  haste: {
+    // This option is needed or else globbing ignores <rootDir>/node_modules.
+    providesModuleNodeModules: ['overmind-vue'],
+  },
+}

packages/node_modules/overmind-svelte/package.json

@@ -0,0 +1,42 @@
+{
+  "name": "overmind-vue",
+  "version": "1.0.0-alpha1",
+  "description": "Functional actions",
+  "author": "Christian Alfoni <[email protected]>",
+  "license": "MIT",
+  "repository": "git+https://github.com/cerebral/overmind.git",
+  "main": "lib/index.js",
+  "module": "es/index.js",
+  "types": "lib/index.d.ts",
+  "scripts": {
+    "build": "npm run build:lib & npm run build:es",
+    "build:lib": "tsc --outDir lib --module commonjs",
+    "build:es": "tsc --outDir es --module es2015",
+    "clean": "rimraf es lib coverage",
+    "typecheck": "tsc --noEmit",
+    "test": "jest --runInBand",
+    "test:watch": "jest --watch --updateSnapshot --coverage false",
+    "prebuild": "npm run clean",
+    "postbuild": "rimraf {lib,es}/**/__tests__",
+    "posttest": "npm run typecheck"
+  },
+  "keywords": [
+    "state",
+    "sideeffects",
+    "app",
+    "framework"
+  ],
+  "files": [
+    "lib",
+    "es",
+    "react"
+  ],
+  "dependencies": {
+    "overmind": "next",
+    "svelte": "^3.20.1"
+  },
+  "devDependencies": {
+    "@types/node": "^12.11.6",
+    "tslib": "^1.10.0"
+  }
+}

packages/node_modules/overmind-svelte/src/index.ts

@@ -0,0 +1,83 @@
+import { EventType } from 'overmind'
+import { onMount, afterUpdate, onDestroy } from 'svelte'
+
+const IS_PRODUCTION = process.env.NODE_ENV === 'production'
+
+let nextComponentId = 0
+
+export function createMixin (overmind) {
+  const componentId = nextComponentId++
+  let nextComponentInstanceId = 0
+  let currentFlushId = 0
+
+  const subscribe = listener => {
+    const tree = overmind.proxyStateTree.getTrackStateTree()
+    const componentInstanceId = nextComponentInstanceId++
+    let isUpdating = false
+
+    tree.track((mutations, paths, flushId) => {
+      currentFlushId = flushId
+      isUpdating = true
+      listener(tree)
+    })
+
+    listener(tree)
+
+    if (IS_PRODUCTION) {
+      afterUpdate(() => {
+        tree.stopTracking()
+        isUpdating = false
+      })
+    } else {
+      onMount(() => {
+        overmind.eventHub.emitAsync(EventType.COMPONENT_ADD, {
+          componentId,
+          componentInstanceId,
+          name: '',
+          paths: Array.from(tree.pathDependencies)
+        })
+      })
+
+      afterUpdate(() => {
+        tree.stopTracking()
+        if (isUpdating) {
+          overmind.eventHub.emitAsync(EventType.COMPONENT_UPDATE, {
+            componentId,
+            componentInstanceId,
+            name: '',
+            flushId: currentFlushId,
+            paths: Array.from(tree.pathDependencies)
+          })
+        }
+        isUpdating = false
+      })
+    }
+
+    return () => {
+      tree.stopTracking()
+      overmind.proxyStateTree.disposeTree(tree)
+      overmind.eventHub.emitAsync(EventType.COMPONENT_REMOVE, {
+        componentId,
+        componentInstanceId: componentInstanceId,
+        name: ''
+      })
+    }
+  }
+
+  const reaction = (...args) => {
+    const dispose = overmind.reaction(...args)
+
+    onDestroy(() => {
+      dispose()
+    })
+  }
+
+  return {
+    subscribe,
+    state: overmind.state,
+    actions: overmind.actions,
+    effects: overmind.effects,
+    addMutationListener: overmind.addMutationListener,
+    reaction: reaction
+  }
+}

packages/node_modules/overmind-svelte/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "rootDir": "src",
+    "outDir": ".code",
+    "newLine": "LF",
+    "lib": ["dom", "es2017"],
+    "moduleResolution": "node",
+    "importHelpers": true,
+    "declaration": true,
+    "pretty": true,
+    "sourceMap": true,
+    "inlineSources": true
+  },
+  "exclude": ["node_modules", "dist", "es", "lib", "src/**/*.test.ts"]
+}