diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a71ab27
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,27 @@
+node_modules
+.DS_Store
+dist
+dist-ssr
+.zip
+
+# local env files
+# .env.local
+# .env.*.local
+*.local
+
+# Log files
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+yarn.lock
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 0000000..9ba90d5
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,6 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', {targets: {node: 'current'}}],
+    '@babel/preset-typescript',
+  ],
+};
\ No newline at end of file
diff --git a/jest.config.js b/jest.config.js
new file mode 100644
index 0000000..91a2d2c
--- /dev/null
+++ b/jest.config.js
@@ -0,0 +1,4 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..edc495f
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "guide-mini-vue",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "test": "jest"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.18.0",
+    "@babel/preset-env": "^7.18.0",
+    "@babel/preset-typescript": "^7.17.12",
+    "@types/jest": "^27.5.1",
+    "babel-jest": "^28.1.0",
+    "jest": "^28.1.0",
+    "ts-jest": "^28.0.3",
+    "typescript": "^4.7.2"
+  }
+}
diff --git a/src/reactivity/baseHandles.ts b/src/reactivity/baseHandles.ts
new file mode 100644
index 0000000..12dd7e7
--- /dev/null
+++ b/src/reactivity/baseHandles.ts
@@ -0,0 +1,63 @@
+import { extend, isObject } from "../shared"
+import { track, trigger } from "./effect"
+import { reactive, ReactiveFlags, readonly } from "./reactive"
+
+const get = createGetter()
+const set = createSetter()
+const readonlyGet = createGetter(true)
+const shallowReadonlyGet = createGetter(true, true)
+
+function createGetter(isReadonly = false, isShallow = false) {
+	return function get(target, key) {
+		if (key === ReactiveFlags.IS_REACTIVE) {
+			return !isReadonly
+		} else if (key === ReactiveFlags.IS_READONLY) {
+			return isReadonly
+		}
+
+		const res = Reflect.get(target, key)
+
+		if (isShallow) {
+			return res
+		}
+
+		if (isObject(res)) {
+			return isReadonly ? readonly(res) : reactive(res)
+		}
+
+		if (!isReadonly) {
+			// TODO 依赖收集
+			track(target, key)
+		}
+
+		return res
+	}
+}
+
+function createSetter() {
+	return function set(target, key, value) {
+		const res = Reflect.set(target, key, value)
+
+		// TODO 触发依赖
+		trigger(target, key)
+
+		return res
+	}
+}
+
+export const mutableHandles = {
+	get,
+	set,
+}
+
+export const readonlyHandles = {
+	get: readonlyGet,
+	set(target, key, value) {
+		console.warn(`key:${key}set 失败，因为target是readonly:${target}`)
+		return true
+	},
+}
+
+export const shallowReadonlyHandles = extend({}, readonlyHandles, {
+	get: shallowReadonlyGet,
+})
diff --git a/src/reactivity/effect.ts b/src/reactivity/effect.ts
new file mode 100644
index 0000000..bd0922c
--- /dev/null
+++ b/src/reactivity/effect.ts
@@ -0,0 +1,110 @@
+import { extend } from "../shared"
+
+class ReactiveEffect {
+	private _fn: any
+	deps = []
+	active = true
+	onStop?: () => void
+	public scheduler: Function | undefined
+	constructor(fn, scheduler?: Function) {
+		this._fn = fn
+		this.scheduler = scheduler
+	}
+	run() {
+		if (!this.active) {
+			return this._fn()
+		}
+
+		shouldTrack = true
+		activeEffect = this
+
+		const result = this._fn()
+		shouldTrack = false
+		activeEffect = undefined
+
+		return result
+	}
+	stop() {
+		// this.deps.forEach((dep: any) => dep.delete(this))
+		if (this.active) {
+			if (this.onStop) {
+				this.onStop()
+			}
+			cleanupEffect(this)
+			this.active = false
+		}
+	}
+}
+
+function cleanupEffect(effect) {
+	effect.deps.forEach((dep: any) => {
+		dep.delete(effect)
+	})
+}
+
+const targetMap = new Map()
+export function track(target, key) {
+	if (!isTracking()) {
+		return
+	}
+	// target => key => dep
+	let depsMap = targetMap.get(target)
+	if (!depsMap) {
+		depsMap = new Map()
+		targetMap.set(target, depsMap)
+	}
+	let dep = depsMap.get(key)
+	if (!dep) {
+		dep = new Set()
+		depsMap.set(key, dep)
+	}
+	trackEffect(dep)
+}
+
+export function trackEffect(dep) {
+	if (dep.has(activeEffect)) return
+	dep.add(activeEffect)
+	activeEffect.deps.push(dep)
+}
+
+export function trigger(target, key) {
+	let depsMap = targetMap.get(target)
+	let dep = depsMap.get(key)
+	triggerEffect(dep)
+}
+
+export function triggerEffect(dep) {
+	for (const effect of dep) {
+		if (effect.scheduler) {
+			effect.scheduler()
+		} else {
+			effect.run()
+		}
+	}
+}
+
+let activeEffect,
+	shouldTrack = false
+export function effect(fn, options: any = {}) {
+	const _effect = new ReactiveEffect(fn, options.scheduler)
+	// _effect.onStop = options.onStop
+	// options
+	// Object.assign(_effect, options)
+	// extend
+	extend(_effect, options)
+
+	_effect.run()
+
+	const runner: any = _effect.run.bind(_effect)
+
+	runner.effect = _effect
+	return runner
+}
+
+export function stop(runner) {
+	runner.effect.stop()
+}
+
+export function isTracking() {
+	return shouldTrack && activeEffect != undefined
+}
diff --git a/src/reactivity/index.ts b/src/reactivity/index.ts
new file mode 100644
index 0000000..95beb6f
--- /dev/null
+++ b/src/reactivity/index.ts
@@ -0,0 +1,3 @@
+export function add(a, b) {
+	return a + b
+}
diff --git a/src/reactivity/reactive.ts b/src/reactivity/reactive.ts
new file mode 100644
index 0000000..2ed00d8
--- /dev/null
+++ b/src/reactivity/reactive.ts
@@ -0,0 +1,38 @@
+import {
+	mutableHandles,
+	readonlyHandles,
+	shallowReadonlyHandles,
+} from "../reactivity/baseHandles"
+
+export const enum ReactiveFlags {
+	IS_REACTIVE = "__v_isReactive",
+	IS_READONLY = "__v_isReadonly",
+}
+
+export function reactive(raw) {
+	return createActiveObject(raw, mutableHandles)
+}
+
+export function readonly(raw) {
+	return createActiveObject(raw, readonlyHandles)
+}
+
+export function shallowReadonly(raw) {
+	return createActiveObject(raw, shallowReadonlyHandles)
+}
+
+export function isReactive(value): Boolean {
+	return !!value[ReactiveFlags.IS_REACTIVE]
+}
+
+export function isReadonly(value): Boolean {
+	return !!value[ReactiveFlags.IS_READONLY]
+}
+
+export function isProxy(value): Boolean {
+	return isReactive(value) || isReadonly(value)
+}
+
+function createActiveObject(raw: any, baseHandles) {
+	return new Proxy(raw, baseHandles)
+}
diff --git a/src/reactivity/ref.ts b/src/reactivity/ref.ts
new file mode 100644
index 0000000..25077f9
--- /dev/null
+++ b/src/reactivity/ref.ts
@@ -0,0 +1,31 @@
+import { hasChange } from "./../shared/index"
+import { isTracking, trackEffect, triggerEffect } from "./effect"
+
+class RefImpl {
+	private _value: any
+	public dep
+	constructor(value) {
+		this._value = value
+		this.dep = new Set()
+	}
+	get value() {
+		trackRefValue(this)
+		return this._value
+	}
+	set value(newValue) {
+		if (hasChange(newValue, this._value)) {
+			this._value = newValue
+			triggerEffect(this.dep)
+		}
+	}
+}
+
+function trackRefValue(ref) {
+	if (isTracking()) {
+		trackEffect(ref.dep)
+	}
+}
+
+export function ref(value) {
+	return new RefImpl(value)
+}
diff --git a/src/reactivity/tests/effect.spec.ts b/src/reactivity/tests/effect.spec.ts
new file mode 100644
index 0000000..33e5f98
--- /dev/null
+++ b/src/reactivity/tests/effect.spec.ts
@@ -0,0 +1,97 @@
+import { reactive } from "../reactive"
+import { effect, stop } from "../effect"
+
+describe("effect", () => {
+	it("happy path", () => {
+		const user: any = reactive({
+			age: 10,
+		})
+
+		let nextAge: any
+		effect(() => {
+			nextAge = user.age + 1
+		})
+
+		expect(nextAge).toBe(11)
+
+		// update
+		user.age++
+		expect(nextAge).toBe(12)
+	})
+
+	it("should return runner when call effect", () => {
+		let foo = 10
+		const runner = effect(() => {
+			foo++
+			return "foo"
+		})
+		expect(foo).toBe(11)
+		const r = runner()
+		expect(foo).toBe(12)
+		expect(r).toBe("foo")
+	})
+
+	it("scheduler", () => {
+		let dummy
+		let run
+		const scheduler = jest.fn(() => {
+			run = runner
+		})
+		const obj = reactive({ foo: 1 })
+		const runner = effect(
+			() => {
+				dummy = obj.foo
+			},
+			{ scheduler }
+		)
+
+		expect(scheduler).not.toHaveBeenCalled()
+
+		expect(dummy).toBe(1)
+
+		obj.foo++
+
+		expect(scheduler).toHaveBeenCalledTimes(1)
+
+		expect(dummy).toBe(1)
+
+		run()
+
+		expect(dummy).toBe(2)
+	})
+
+	it("stop", () => {
+		let dummy
+		const obj = reactive({ a: 1 })
+		const runner = effect(() => {
+			dummy = obj.a
+		})
+		obj.a = 2
+		expect(dummy).toBe(2)
+		stop(runner)
+		obj.a = 3
+		expect(dummy).toBe(2)
+
+		runner()
+		expect(dummy).toBe(3)
+	})
+
+	it("onStop", () => {
+		const obj = reactive({ foo: 1 })
+
+		const onStop = jest.fn()
+
+		let dummy
+
+		const runner = effect(
+			() => {
+				dummy = obj.foo
+			},
+			{ onStop }
+		)
+
+		stop(runner)
+
+		expect(onStop).toBeCalledTimes(1)
+	})
+})
diff --git a/src/reactivity/tests/index.spec.ts b/src/reactivity/tests/index.spec.ts
new file mode 100644
index 0000000..750021b
--- /dev/null
+++ b/src/reactivity/tests/index.spec.ts
@@ -0,0 +1,5 @@
+import { add } from "../index"
+
+it("init", () => {
+	expect(add(1, 1)).toBe(2)
+})
diff --git a/src/reactivity/tests/reactive.spec.ts b/src/reactivity/tests/reactive.spec.ts
new file mode 100644
index 0000000..77300e3
--- /dev/null
+++ b/src/reactivity/tests/reactive.spec.ts
@@ -0,0 +1,24 @@
+import { reactive, isReactive, isProxy } from "../reactive"
+
+describe("reactive", () => {
+	it("happy path", () => {
+		const original = { foo: 1 }
+		const observed = reactive(original)
+		expect(observed).not.toBe(original)
+		expect(original.foo).toBe(1)
+
+		expect(isReactive(observed)).toBe(true)
+
+		expect(isReactive(original)).toBe(false)
+
+		expect(isProxy(observed)).toBe(true)
+	})
+
+	test("nested reactive", () => {
+		const original = { nested: { foo: 1 }, array: [{ bar: 2 }] }
+		const observed = reactive(original)
+		expect(isReactive(observed.nested)).toBe(true)
+		expect(isReactive(observed.array)).toBe(true)
+		expect(isReactive(observed.array[0])).toBe(true)
+	})
+})
diff --git a/src/reactivity/tests/readonly.spec.ts b/src/reactivity/tests/readonly.spec.ts
new file mode 100644
index 0000000..7a57309
--- /dev/null
+++ b/src/reactivity/tests/readonly.spec.ts
@@ -0,0 +1,24 @@
+import { readonly, isReadonly, isProxy } from "../reactive"
+describe("readonly", () => {
+	it("should make nested values readonly", () => {
+		const original = { foo: 1, bar: { baz: 2 } }
+		const wrapped = readonly(original)
+
+		expect(wrapped).not.toBe(original)
+		expect(isReadonly(wrapped)).toBe(true)
+		expect(isReadonly(original)).toBe(false)
+
+		expect(isReadonly(wrapped.bar)).toBe(true)
+		expect(isReadonly(original.bar)).toBe(false)
+		expect(isProxy(wrapped)).toBe(true)
+
+		expect(wrapped.foo).toBe(1)
+	})
+
+	it("warn then call set", () => {
+		console.warn = jest.fn()
+		const user = readonly({ age: 10 })
+		user.age = 11
+		expect(console.warn).toHaveBeenCalled()
+	})
+})
diff --git a/src/reactivity/tests/ref.spec.ts b/src/reactivity/tests/ref.spec.ts
new file mode 100644
index 0000000..7c9611a
--- /dev/null
+++ b/src/reactivity/tests/ref.spec.ts
@@ -0,0 +1,40 @@
+import { effect } from "../effect"
+import { ref } from "../ref"
+
+describe("ref", () => {
+	it("happy path", () => {
+		const a = ref(1)
+		expect(a.value).toBe(1)
+	})
+
+	it("should be reactive", () => {
+		const a = ref(1)
+		let dummy
+		let calls = 0
+		effect(() => {
+			calls++
+			dummy = a.value
+		})
+		expect(calls).toBe(1)
+		expect(dummy).toBe(1)
+
+		a.value = 2
+		expect(calls).toBe(2)
+		expect(dummy).toBe(2)
+
+		// a.value = 2
+		// expect(calls).toBe(2)
+		// expect(dummy).toBe(2)
+	})
+
+	it.skip("should make nested properties reactive", () => {
+		const a = ref({ count: 1 })
+		let dummy
+		effect(() => {
+			dummy = a.value.count
+		})
+		expect(dummy).toBe(1)
+		a.value.count = 2
+		expect(dummy).toBe(2)
+	})
+})
diff --git a/src/reactivity/tests/shallowReadonly.spec.ts b/src/reactivity/tests/shallowReadonly.spec.ts
new file mode 100644
index 0000000..a0980c2
--- /dev/null
+++ b/src/reactivity/tests/shallowReadonly.spec.ts
@@ -0,0 +1,16 @@
+import { isReadonly, shallowReadonly } from "../reactive"
+
+describe("shallowReadonly", () => {
+	test("should not make non-reactive properties reactive", () => {
+		const props = shallowReadonly({ n: { foo: 1 } })
+		expect(isReadonly(props)).toBe(true)
+		expect(isReadonly(props.n)).toBe(false)
+	})
+
+	it("warn then call set", () => {
+		console.warn = jest.fn()
+		const user = shallowReadonly({ age: 10 })
+		user.age = 11
+		expect(console.warn).toHaveBeenCalled()
+	})
+})
diff --git a/src/shared/index.ts b/src/shared/index.ts
new file mode 100644
index 0000000..aebd387
--- /dev/null
+++ b/src/shared/index.ts
@@ -0,0 +1,9 @@
+export const extend = Object.assign
+
+export const isObject = (value) => {
+	return value !== null && typeof value === "object"
+}
+
+export const hasChange = (oldVal, newVal) => {
+	return Object.is(oldVal, newVal)
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..1d92181
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,104 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Projects */
+    // "incremental": true,                              /* Enable incremental compilation */
+    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
+    // "tsBuildInfoFile": "./",                          /* Specify the folder for .tsbuildinfo incremental compilation files. */
+    // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects */
+    // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
+    // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
+
+    /* Language and Environment */
+    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    "lib": [
+      "DOM",
+      "ES6"
+    ],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "jsx": "preserve",                                /* Specify what JSX code is generated. */
+    // "experimentalDecorators": true,                   /* Enable experimental support for TC39 stage 2 draft decorators. */
+    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+    // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h' */
+    // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
+    // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using `jsx: react-jsx*`.` */
+    // "reactNamespace": "",                             /* Specify the object invoked for `createElement`. This only applies when targeting `react` JSX emit. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    // "typeRoots": [],                                  /* Specify multiple folders that act like `./node_modules/@types`. */
+    "types": ["jest"],                                      /* Specify type package names to be included without being referenced in a source file. */
+    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
+    // "resolveJsonModule": true,                        /* Enable importing .json files */
+    // "noResolve": true,                                /* Disallow `import`s, `require`s or `<reference>`s from expanding the number of files TypeScript should add to a project. */
+
+    /* JavaScript Support */
+    // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+    // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
+    // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from `node_modules`. Only applicable with `allowJs`. */
+
+    /* Emit */
+    // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
+    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output. */
+    // "outDir": "./",                                   /* Specify an output folder for all emitted files. */
+    // "removeComments": true,                           /* Disable emitting comments. */
+    // "noEmit": true,                                   /* Disable emitting files from a compilation. */
+    // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+    // "importsNotUsedAsValues": "remove",               /* Specify emit/checking behavior for imports that are only used for types */
+    // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
+    // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
+    // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+    // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
+    // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
+    // "newLine": "crlf",                                /* Set the newline character for emitting files. */
+    // "stripInternal": true,                            /* Disable emitting declarations that have `@internal` in their JSDoc comments. */
+    // "noEmitHelpers": true,                            /* Disable generating custom helper functions like `__extends` in compiled output. */
+    // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
+    // "preserveConstEnums": true,                       /* Disable erasing `const enum` declarations in generated code. */
+    // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
+    // "preserveValueImports": true,                     /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
+
+    /* Interop Constraints */
+    // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
+    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */
+    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+    "noImplicitAny": false,                            /* Enable error reporting for expressions and declarations with an implied `any` type.. */
+    // "strictNullChecks": true,                         /* When type checking, take into account `null` and `undefined`. */
+    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+    // "strictBindCallApply": true,                      /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */
+    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+    // "noImplicitThis": true,                           /* Enable error reporting when `this` is given the type `any`. */
+    // "useUnknownInCatchVariables": true,               /* Type catch clause variables as 'unknown' instead of 'any'. */
+    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+    // "noUnusedLocals": true,                           /* Enable error reporting when a local variables aren't read. */
+    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read */
+    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+    // "noUncheckedIndexedAccess": true,                 /* Include 'undefined' in index signature results */
+    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type */
+    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+
+    /* Completeness */
+    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  }
+}