diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..a06ad62
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+root = true
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+
+[*]
+indent_size = 4
+
+[{.*rc,ts*.json,package.json}]
+indent_size = 2
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2978361
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,25 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+/es
+/dist
+.rpt2_cache
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..17d12ff
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,3 @@
+*.test.tsx
+package.json
+package-lock.json
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..043fedf
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,7 @@
+{
+  "trailingComma": "all",
+  "printWidth": 120,
+  "semi": false,
+  "singleQuote": true,
+  "jsxBracketSameLine": true
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..af79634
--- /dev/null
+++ b/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "@holoflows/kit",
+  "version": "0.1.0",
+  "module": "./es/index.js",
+  "main": "./dist/out.js",
+  "typings": "./es/",
+  "dependencies": {
+    "@types/lodash-es": "^4.1.4",
+    "@types/node": "10.12.23",
+    "events": "^3.0.0",
+    "lodash-es": "^4.1.2"
+  },
+  "scripts": {
+    "start": "npm-run-all --parallel start-tsc start-rollup",
+    "start-tsc": "tsc --watch",
+    "start-rollup": "rollup -c -w"
+  },
+  "devDependencies": {
+    "npm-run-all": "^4.1.5",
+    "rollup": "^1.1.2",
+    "rollup-plugin-commonjs": "^9.2.0",
+    "rollup-plugin-node-resolve": "^4.0.0",
+    "rollup-plugin-replace": "^2.1.0",
+    "rollup-plugin-typescript2": "^0.19.2",
+    "typescript": "3.3.3"
+  }
+}
diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 0000000..12b259b
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,31 @@
+import typescript from 'rollup-plugin-typescript2'
+import commonjs from 'rollup-plugin-commonjs'
+import nodeResolve from 'rollup-plugin-node-resolve'
+import replace from 'rollup-plugin-replace'
+
+const config = {
+    input: './src/index.ts',
+    output: {
+        file: './dist/out.js',
+        format: 'iife',
+        name: 'HoloflowsKit',
+    },
+    plugins: [
+        nodeResolve({
+            browser: true,
+            preferBuiltins: false,
+        }),
+        replace({
+            'process.env.NODE_ENV': JSON.stringify('production'),
+        }),
+        typescript({ tsconfigOverride: { compilerOptions: { target: 'es5' } } }),
+        commonjs({
+            extensions: ['.js', '.ts', '.tsx'],
+            namedExports: {
+                events: ['EventEmitter'],
+            },
+        }),
+    ],
+}
+
+export default config
diff --git a/src/DOMProxy.ts b/src/DOMProxy.ts
new file mode 100644
index 0000000..d5f8638
--- /dev/null
+++ b/src/DOMProxy.ts
@@ -0,0 +1,294 @@
+/**
+ * DomProxy provide an interface that be stable even dom is changed.
+ */
+export const DomProxy = function() {
+    let destroyed = false
+
+    let virtualBefore: HTMLSpanElement | null = null
+    let current: Element = document.createElement('div')
+    let virtualAfter: HTMLSpanElement | null = null
+    /** All changes applied on the `proxy` */
+    let changes: (ActionTypes[keyof ActionTypes])[] = []
+    /** Read Traps */
+    const readonlyTraps: ProxyHandler<any> = {
+        ownKeys: () => {
+            changes.push({ type: 'ownKeys', op: undefined })
+            if (current) return Object.getOwnPropertyNames(current)
+            return []
+        },
+        get: (t, key, r) => {
+            changes.push({ type: 'get', op: key })
+            const current_: any = current
+            if (current) {
+                if (typeof current_[key] === 'function')
+                    return new Proxy(current_[key], {
+                        apply: (target, thisArg, args) => {
+                            changes.push({ type: 'callMethods', op: { name: key, param: args, thisArg } })
+                            current_[key](...args)
+                        },
+                    })
+                else if (key === 'style')
+                    return new Proxy((current as HTMLElement).style, {
+                        set: (t, styleKey, styleValue, r) => {
+                            changes.push({ type: 'modifyStyle', op: { name: styleKey, value: styleValue } })
+                            current_.style[styleKey] = styleValue
+                            return true
+                        },
+                    })
+                return current_[key]
+            }
+            return undefined
+        },
+        has: (t, key) => {
+            changes.push({ type: 'has', op: key })
+            if (current) return key in current
+            return false
+        },
+        getOwnPropertyDescriptor: (t, key) => {
+            changes.push({ type: 'getOwnPropertyDescriptor', op: key })
+            if (current) {
+                return Reflect.getOwnPropertyDescriptor(current, key)
+            }
+            return {
+                configurable: true,
+                enumerable: false,
+                value: undefined,
+                writable: true,
+            }
+        },
+        isExtensible: t => {
+            changes.push({ type: 'isExtensible', op: undefined })
+            if (current) return Reflect.isExtensible(current)
+            return true
+        },
+        getPrototypeOf: t => {
+            changes.push({ type: 'getPrototypeOf', op: undefined })
+            if (current) return Reflect.getPrototypeOf(current)
+            return {}
+        },
+    }
+    /** Write Traps */
+    const modifyTraps: (record: boolean) => ProxyHandler<any> = record => ({
+        deleteProperty: (t, key: keyof HTMLElement) => {
+            record && changes.push({ type: 'delete', op: key })
+            if (current) {
+                return Reflect.deleteProperty(current, key)
+            }
+            return false
+        },
+        set: (t, key: keyof HTMLElement, value, r) => {
+            record && changes.push({ type: 'set', op: [key, value] })
+            if (current) {
+                return ((current as any)[key] = value)
+            }
+            return true
+        },
+        defineProperty: (t, key, attributes) => {
+            record && changes.push({ type: 'defineProperty', op: [key, attributes] })
+            if (current) {
+                return Reflect.defineProperty(current, key, attributes)
+            }
+            return true
+        },
+        preventExtensions: t => {
+            record && changes.push({ type: 'preventExtensions', op: undefined })
+            if (current) return Reflect.preventExtensions(current)
+            return true
+        },
+        setPrototypeOf: (t, prototype) => {
+            record && changes.push({ type: 'setPrototypeOf', op: prototype })
+            if (current) return Reflect.setPrototypeOf(current, prototype)
+            return true
+        },
+    })
+    const modifyTrapsWrite = modifyTraps(true)
+    const modifyTrapsNotWrite = modifyTraps(false)
+    const proxy = Proxy.revocable({}, { ...readonlyTraps, ...modifyTrapsWrite })
+    /** Call before realCurrent change */
+    function undoEffects() {
+        for (const change of changes) {
+            if (change.type !== 'callMethods') continue
+            if (change.op.name !== 'addEventListener') continue
+            current.removeEventListener(...(change.op.param as [any, any, any]))
+        }
+    }
+    /** Call after realCurrent change */
+    function redoEffects() {
+        const t = {}
+        for (const change of changes) {
+            if (change.type === 'setPrototypeOf') modifyTrapsNotWrite.setPrototypeOf(t, change.op)
+            else if (change.type === 'preventExtensions') modifyTrapsNotWrite.preventExtensions(t)
+            else if (change.type === 'defineProperty') modifyTrapsNotWrite.defineProperty(t, change.op[0], change.op[1])
+            else if (change.type === 'set') modifyTrapsNotWrite.set(t, change.op[0], change.op[1], t)
+            else if (change.type === 'delete') modifyTrapsNotWrite.deleteProperty(t, change.op)
+            else if (change.type === 'callMethods') {
+                const replayable: (keyof Element)[] = ['appendChild', 'addEventListener', 'before', 'after']
+                const key: keyof Element = change.op.name as any
+                if (replayable.indexOf(key) !== -1) {
+                    ;(current[key] as any)(...change.op.param)
+                }
+            } else if (change.type === 'modifyStyle') {
+                ;(current as HTMLElement).style[change.op.name as any] = change.op.value
+            }
+        }
+    }
+    return {
+        /**
+         * A `span` element that always located at the before of `realCurrent`
+         */
+        get before() {
+            if (destroyed) return null
+            if (!virtualBefore) virtualBefore = document.createElement('span')
+            current.before(virtualBefore)
+            return virtualBefore
+        },
+        /**
+         * A proxy that always point to `realCurrent`,
+         * and if `realCurrent` changes, all action will be forwarded to new `realCurrent`
+         */
+        get current() {
+            if (destroyed) return null
+            return proxy.proxy as HTMLSuperSet
+        },
+        /**
+         * A `span` element that always located at the after of `current`
+         */
+        get after() {
+            if (destroyed) return null
+            if (!virtualAfter) virtualAfter = document.createElement('span')
+            current.after(virtualAfter)
+            return virtualAfter
+        },
+        get realCurrent() {
+            if (destroyed) return null
+            return current as any
+        },
+        set realCurrent(node: Element | null | undefined) {
+            if (destroyed) throw new TypeError('You can not set current for a destroyed proxy')
+            if (node === current) return
+            undoEffects()
+            if (node === null || node === undefined) {
+                current = document.createElement('div')
+                if (virtualBefore) virtualBefore.remove()
+                if (virtualAfter) virtualAfter.remove()
+            } else {
+                current = node
+                if (virtualAfter) current.after(virtualAfter)
+                if (virtualBefore) current.before(virtualBefore)
+                redoEffects()
+            }
+        },
+        destroy() {
+            destroyed = true
+            proxy.revoke()
+            if (virtualBefore) virtualBefore.remove()
+            if (virtualAfter) virtualAfter.remove()
+            virtualBefore = null
+            virtualAfter = null
+            current = null
+        },
+    }
+}
+export type DomProxy = ReturnType<typeof DomProxy>
+//#region HTMLSuperSet
+type HTMLSuperSet = HTMLElement &
+    HTMLAnchorElement &
+    HTMLAppletElement &
+    HTMLAreaElement &
+    HTMLAudioElement &
+    HTMLBaseElement &
+    HTMLBaseFontElement &
+    HTMLQuoteElement &
+    HTMLBodyElement &
+    HTMLBRElement &
+    HTMLButtonElement &
+    HTMLCanvasElement &
+    HTMLTableCaptionElement &
+    HTMLTableColElement &
+    HTMLTableColElement &
+    HTMLDataElement &
+    HTMLDataListElement &
+    HTMLModElement &
+    HTMLDetailsElement &
+    HTMLDialogElement &
+    HTMLDirectoryElement &
+    HTMLDivElement &
+    HTMLDListElement &
+    HTMLEmbedElement &
+    HTMLFieldSetElement &
+    HTMLFontElement &
+    HTMLFormElement &
+    HTMLFrameElement &
+    HTMLFrameSetElement &
+    HTMLHeadingElement &
+    HTMLHeadingElement &
+    HTMLHeadingElement &
+    HTMLHeadingElement &
+    HTMLHeadingElement &
+    HTMLHeadingElement &
+    HTMLHeadElement &
+    HTMLHRElement &
+    HTMLHtmlElement &
+    HTMLIFrameElement &
+    HTMLImageElement &
+    HTMLInputElement &
+    HTMLModElement &
+    HTMLLabelElement &
+    HTMLLegendElement &
+    HTMLLIElement &
+    HTMLLinkElement &
+    HTMLMapElement &
+    HTMLMarqueeElement &
+    HTMLMenuElement &
+    HTMLMetaElement &
+    HTMLMeterElement &
+    HTMLObjectElement &
+    HTMLOListElement &
+    HTMLOptGroupElement &
+    HTMLOptionElement &
+    HTMLOutputElement &
+    HTMLParagraphElement &
+    HTMLParamElement &
+    HTMLPictureElement &
+    HTMLPreElement &
+    HTMLProgressElement &
+    HTMLQuoteElement &
+    HTMLScriptElement &
+    HTMLSelectElement &
+    HTMLSlotElement &
+    HTMLSourceElement &
+    HTMLSpanElement &
+    HTMLStyleElement &
+    HTMLTableElement &
+    HTMLTableSectionElement &
+    HTMLTableDataCellElement &
+    HTMLTemplateElement &
+    HTMLTextAreaElement &
+    HTMLTableSectionElement &
+    HTMLTableHeaderCellElement &
+    HTMLTableSectionElement &
+    HTMLTimeElement &
+    HTMLTitleElement &
+    HTMLTableRowElement &
+    HTMLTrackElement &
+    HTMLUListElement &
+    HTMLVideoElement &
+    HTMLElement
+//#endregion
+type Keys = string | number | symbol
+type ActionRecord<T extends string, F> = { type: T; op: F }
+interface ActionTypes {
+    delete: ActionRecord<'delete', Keys>
+    set: ActionRecord<'set', [Keys, any]>
+    defineProperty: ActionRecord<'defineProperty', [Keys, PropertyDescriptor]>
+    preventExtensions: ActionRecord<'preventExtensions', void>
+    setPrototypeOf: ActionRecord<'setPrototypeOf', any>
+    get: ActionRecord<'get', Keys>
+    ownKeys: ActionRecord<'ownKeys', undefined>
+    has: ActionRecord<'has', Keys>
+    getOwnPropertyDescriptor: ActionRecord<'getOwnPropertyDescriptor', Keys>
+    isExtensible: ActionRecord<'isExtensible', undefined>
+    getPrototypeOf: ActionRecord<'getPrototypeOf', undefined>
+    callMethods: ActionRecord<'callMethods', { name: Keys; param: any[]; thisArg: any }>
+    modifyStyle: ActionRecord<'modifyStyle', { name: Keys; value: string }>
+}
diff --git a/src/LiveSelector.ts b/src/LiveSelector.ts
new file mode 100644
index 0000000..0c15e7d
--- /dev/null
+++ b/src/LiveSelector.ts
@@ -0,0 +1,144 @@
+type ChainType<T extends string, F> = { type: T; param: F }
+interface SelectorChainType {
+    querySelector: ChainType<'querySelector', string>
+    querySelectorAll: ChainType<'querySelectorAll', string>
+    filter: ChainType<'filter', (element: any, index: number, array: any[]) => boolean>
+    map: ChainType<'map', (element: any) => any>
+    concat: ChainType<'concat', LiveSelector<any>>
+    reverse: ChainType<'reverse', undefined>
+    slice: ChainType<'slice', [number | undefined, number | undefined]>
+    sort: ChainType<'sort', (a: any, b: any) => number>
+    flat: ChainType<'flat', undefined>
+    first: ChainType<'first', undefined>
+    last: ChainType<'last', undefined>
+}
+type TypeKeys = SelectorChainType[keyof SelectorChainType]['type']
+type TypeParams = { [key in keyof SelectorChainType]: SelectorChainType[key]['param'] }
+/** Create a live selector that can continuously select the element you want */
+export class LiveSelector<T> {
+    private generateMethod = <Key extends TypeKeys>(type: Key) => (param: TypeParams[Key]) => {
+        this.selectorChain.push({ type: type as any, param: param as any })
+        return this as LiveSelector<any>
+    }
+    private readonly selectorChain: (SelectorChainType[keyof SelectorChainType])[] = []
+    //#region Add elements
+    /**
+     * Select the first element that is a descendant of node that matches selectors.
+     */
+    querySelector<K extends keyof HTMLElementTagNameMap>(selectors: K): LiveSelector<HTMLElementTagNameMap[K]>
+    querySelector<K extends keyof SVGElementTagNameMap>(selectors: K): LiveSelector<SVGElementTagNameMap[K]>
+    querySelector<E extends Element = Element>(selectors: string): LiveSelector<E>
+    querySelector<T>(selectors: string): LiveSelector<T> {
+        return this.generateMethod('querySelector')(selectors)
+    }
+    /**
+     * Select all element descendants of node that match selectors.
+     */
+    querySelectorAll<K extends keyof HTMLElementTagNameMap>(selectors: K): LiveSelector<HTMLElementTagNameMap[K]>
+    querySelectorAll<K extends keyof SVGElementTagNameMap>(selectors: K): LiveSelector<SVGElementTagNameMap[K]>
+    querySelectorAll<E extends Element = Element>(selectors: string): LiveSelector<E>
+    querySelectorAll<T>(selectors: string): LiveSelector<T> {
+        return this.generateMethod('querySelectorAll')(selectors)
+    }
+    //#endregion
+
+    //#region Modify
+    /**
+     * Select the elements of a LiveSelector that meet the condition specified in a callback function.
+     */
+    filter: //
+    (<S extends T = T>(callbackfn: (value: T, index: number, array: T[]) => value is S) => LiveSelector<S>) &
+        ((
+            callbackfn: (value: T, index: number, array: T[]) => any,
+        ) => LiveSelector<NonNullable<T>>) = this.generateMethod('filter')
+    /**
+     * Calls a defined callback function on each element of a LiveSelector, and continues with the results.
+     */
+    map: <NextType>(callbackfn: (element: T) => NextType) => LiveSelector<NonNullable<NextType>> = this.generateMethod(
+        'map',
+    )
+    /**
+     * Combines two LiveSelector.
+     * @param item Additional LiveSelector to combine.
+     */
+    concat: <NextType>(newEle: LiveSelector<NextType>) => LiveSelector<T | NextType> = this.generateMethod('concat')
+    /**
+     * Reverses the elements in an Array.
+     */
+    reverse(): LiveSelector<T> {
+        return this.generateMethod('reverse')(undefined)
+    }
+    /**
+     * Returns a section of an array.
+     * @param start The beginning of the specified portion of the array.
+     * @param end The end of the specified portion of the array.
+     */
+    slice: (start?: number, end?: number) => LiveSelector<T> = (a, b) => this.generateMethod('slice')([a, b])
+    /**
+     * Sorts an array.
+     * @param compareFn The name of the function used to determine the order of the elements. If omitted, the elements are sorted in ascending, ASCII character order.
+     */
+    sort: (compareFn?: (a: T, b: T) => number) => LiveSelector<T> = this.generateMethod('sort')
+    /**
+     * Flat T[][] to T[]
+     */
+    flat(): LiveSelector<T extends ArrayLike<infer U> ? U : never> {
+        return this.generateMethod('flat')(undefined)
+    }
+    first(): LiveSelector<T> {
+        return this.generateMethod('first')(undefined)
+    }
+    last(): LiveSelector<T> {
+        return this.generateMethod('last')(undefined)
+    }
+    //#endregion
+
+    //#region Build
+    evaluateOnce() {
+        let arr: T[] = []
+        for (const op of this.selectorChain) {
+            switch (op.type) {
+                case 'querySelector':
+                    const e = document.querySelector(op.param) as any
+                    e && arr.push(e)
+                    break
+                case 'querySelectorAll':
+                    arr.push(...(document.querySelectorAll(op.param) as any))
+                    break
+                case 'filter':
+                    arr = arr.filter(op.param).filter(x => x !== null)
+                    break
+                case 'map':
+                    arr = arr.map(op.param).filter(x => x !== null)
+                    break
+                case 'concat':
+                    arr = arr.concat(op.param.evaluateOnce())
+                    break
+                case 'reverse':
+                    arr = arr.reverse()
+                    break
+                case 'slice':
+                    arr = arr.slice(op.param[0], op.param[1])
+                    break
+                case 'sort':
+                    arr = arr.sort(op.param)
+                    break
+                case 'first':
+                    arr = [arr[0]]
+                    break
+                case 'last':
+                    arr = [arr[arr.length - 1]]
+                    break
+                case 'flat':
+                    const newArr: any[] = []
+                    arr.forEach(x => newArr.push(...(x as any)))
+                    arr = newArr
+                    break
+                default:
+                    throw new TypeError('Unknown operation type')
+            }
+        }
+        return arr.filter(x => x) as T[]
+    }
+    //#endregion
+}
diff --git a/src/Watcher.ts b/src/Watcher.ts
new file mode 100644
index 0000000..592ebb4
--- /dev/null
+++ b/src/Watcher.ts
@@ -0,0 +1,250 @@
+import { DomProxy } from './DOMProxy'
+import { EventEmitter } from 'events'
+import { LiveSelector } from './LiveSelector'
+
+import { differenceWith, intersectionWith, uniqWith } from 'lodash-es'
+
+type RequireNode<T, V> = T extends Element ? V : never
+interface SingleNodeWatcher<T> {
+    virtualNode: RequireNode<T, DomProxy>
+}
+type EffectReturnFn<T> =
+    | void
+    | (() => void)
+    | {
+          remove?: (old: T) => void
+          onCurrentChange: (old: T, newT: T) => void
+      }
+/** Watcher for multiple node */
+interface MultipleNodeWatcher<T> {
+    /**
+     * To help identify same nodes in different iteration,
+     * you need to implement a map function that map `node` => `key`
+     *
+     * If the key is changed, the same node will call through `forEachRemove` then `forEach`
+     *
+     * *Param map*: `node` => `key`, defaults to `node => node`
+     *
+     * *Param comparer*: compare between two keys, defaults to `===`
+     */
+    assignKeys: RequireNode<
+        T,
+        <Q = unknown>(
+            assigner: (node: T, index: number, arr: T[]) => Q,
+            comparer?: (a: Q, b: Q) => boolean,
+        ) => Watcher<T>
+    >
+    /**
+     * Just like React hooks.
+     *
+     * @param fn will be called every node update.
+     * If `fn` return a `function`, when `node` removed from the list, it will be called.
+     */
+    useNodeForeach: RequireNode<
+        T,
+        (fn: (virtualNode: DomProxy, key: unknown, realNode: T) => EffectReturnFn<T>) => Watcher<T>
+    >
+    /**
+     * Get virtual node by key.
+     * Virtual node will be unavailable if it is deleted
+     */
+    getVirtualNodeByKey: RequireNode<T, (key: unknown) => DomProxy>
+}
+type EventFn<T> = (fn: CustomEvent<T> & { data: T }) => void
+/** Use LiveSelector to watch dom change
+ *
+ * **You must call `stopWatch` if you won't use it anymore**
+ */
+export class Watcher<T> extends EventEmitter implements SingleNodeWatcher<T>, MultipleNodeWatcher<T> {
+    constructor(
+        private liveSelector: LiveSelector<T>,
+        /** The element that won't change during the whole watching lifetime. This may improve performance. */
+        private consistentWatchRoot: Element | Document = document.body,
+    ) {
+        super()
+    }
+    //#region Watcher
+    /** Observe whole document change */
+    private observer: MutationObserver = new MutationObserver(this.onMutation.bind(this))
+    /** Limit onMutation computation by rAF */
+    private rAFLock = false
+    private onMutation(mutations: MutationRecord[], observer: MutationObserver) {
+        if (this.rAFLock) return
+        this.rAFLock = true
+        requestAnimationFrame(this.watcherCallback)
+    }
+    private watching = false
+    private lastKeyList: unknown[] = []
+    private lastNodeList: T[] = []
+    private lastUndoEffectMap = new Map<unknown, EffectReturnFn<T>>()
+    private lastVirtualNodesMap = new Map<unknown, DomProxy>()
+    private findNodeFromListByKey = (list: T[], keys: unknown[]) => (key: unknown) => {
+        const i = keys.findIndex(x => this.keyComparer(x, key))
+        if (i === -1) return null
+        return list[i]
+    }
+    private watcherCallback = () => {
+        if (!this.watching) return
+        this.rAFLock = false
+
+        const thisNodes = this.liveSelector.evaluateOnce()
+        const thisKeyList = thisNodes.map(this.mapNodeToKey)
+
+        //#region Warn about repeated keys
+        {
+            const uniq = uniqWith(thisKeyList, this.keyComparer)
+            if (uniq.length < thisKeyList.length) {
+                console.warn('There are repeated keys in your watcher. [uniqKeys, allKeys] = ', uniq, thisKeyList)
+            }
+        }
+        //#endregion
+
+        // New maps in the next generation
+        const nextUndoEffectMap = new Map<unknown, EffectReturnFn<T>>()
+        const nextVirtualNodesMap = new Map<unknown, DomProxy>()
+
+        //#region Key is gone
+        // Do: Delete node
+        const findFromLast = this.findNodeFromListByKey(this.lastNodeList, this.lastKeyList)
+        const goneKeys = differenceWith(this.lastKeyList, thisKeyList, this.keyComparer)
+        {
+            for (const oldKey of goneKeys) {
+                const virtualNode = this.lastVirtualNodesMap.get(oldKey)
+                if (virtualNode) virtualNode.destroy()
+                const undoFn = this.lastUndoEffectMap.get(oldKey)
+                if (undoFn)
+                    typeof undoFn === 'function'
+                        ? undoFn()
+                        : typeof undoFn.remove === 'function' && undoFn.remove(findFromLast(oldKey))
+            }
+        }
+        //#endregion
+
+        //#region Key is new
+        // Do: Add node
+        const findFromNew = this.findNodeFromListByKey(thisNodes, thisKeyList)
+        const newKeys = differenceWith(thisKeyList, this.lastKeyList, this.keyComparer)
+        {
+            for (const newKey of newKeys) {
+                if (!this.useNodeForeachFn) break
+                const node = findFromNew(newKey)
+                if (node instanceof Element) {
+                    const virtualNode = DomProxy()
+                    virtualNode.realCurrent = node
+                    const undoFn = this.useNodeForeachFn(virtualNode, newKey, node)
+                    nextUndoEffectMap.set(newKey, undoFn)
+                    nextVirtualNodesMap.set(newKey, virtualNode)
+                }
+            }
+        }
+        //#endregion
+
+        //#region Key is the same, but node is changed
+        // Do: Change reference
+        const oldSameKeys = intersectionWith(this.lastKeyList, thisKeyList, this.keyComparer)
+        const newSameKeys = intersectionWith(thisKeyList, this.lastKeyList, this.keyComparer)
+        type U = [T, T, unknown, unknown]
+        const changedNodes = oldSameKeys
+            .map(x => [findFromLast(x), findFromNew(x), x, newSameKeys.find(newK => this.keyComparer(newK, x))] as U)
+            .filter(([a, b]) => a !== b)
+        for (const [oldNode, newNode, oldKey] of changedNodes) {
+            if (newNode instanceof Element) {
+                const virtualNode = this.lastVirtualNodesMap.get(oldKey)
+                virtualNode.realCurrent = newNode
+                const fn = this.lastUndoEffectMap.get(oldKey)
+                if (fn) typeof fn === 'function' ? undefined : fn.onCurrentChange(oldNode, newNode)
+            }
+        }
+        //#endregion
+
+        // Key is the same, node is the same
+        // Do: nothing
+
+        // Final: Copy the same keys
+        for (const newKey of newSameKeys) {
+            const oldKey = oldSameKeys.find(oldKey => this.keyComparer(newKey, oldKey))
+            nextUndoEffectMap.set(newKey, this.lastUndoEffectMap.get(oldKey))
+            nextVirtualNodesMap.set(newKey, this.lastVirtualNodesMap.get(oldKey))
+            this.lastUndoEffectMap = nextUndoEffectMap
+            this.lastVirtualNodesMap = nextVirtualNodesMap
+        }
+        this.lastKeyList = thisKeyList
+        this.lastNodeList = thisNodes
+
+        this.emit('onChangeFull', thisNodes)
+        this.emit(
+            'onChange',
+            changedNodes.map(([oldNode, newNode, oldKey, newKey]) => ({ oldNode, newNode, oldKey, newKey })),
+        )
+        this.emit('onRemove', goneKeys.map(key => ({ key, node: findFromLast(key) })))
+        this.emit('onAdd', newKeys.map(key => ({ key, node: findFromNew(key) })))
+
+        // For single node mode
+        const first = thisNodes[0]
+        if (first instanceof HTMLElement || first === undefined || first === null) {
+            this.virtualNode.realCurrent = first as any
+        }
+    }
+    startWatch(options?: MutationObserverInit) {
+        this.stopWatch()
+        this.watching = true
+        const option = {
+            attributes: true,
+            characterData: true,
+            childList: true,
+            subtree: true,
+            ...options,
+        }
+        this.observer.observe(this.consistentWatchRoot, option)
+        this.watcherCallback()
+        return this
+    }
+    stopWatch() {
+        this.watching = false
+        this.observer.disconnect()
+    }
+    //#endregion
+
+    //#region events
+    addListener(event: 'onChange', fn: EventFn<{ oldNode: T; newNode: T; oldKey: unknown; newKey: unknown }[]>): this
+    addListener(event: 'onChangeFull', fn: EventFn<T[]>): this
+    addListener(event: 'onRemove', fn: EventFn<{ node: T; key: unknown }[]>): this
+    addListener(event: 'onAdd', fn: EventFn<{ node: T; key: unknown }[]>): this
+    addListener(event: string | symbol, fn: (...args: any[]) => void) {
+        super.addListener(event, fn)
+        return this
+    }
+    emit(event: 'onChange', data: { oldNode: T; newNode: T; oldKey: unknown; newKey: unknown }[]): boolean
+    emit(event: 'onChangeFull', data: T[]): boolean
+    emit(event: 'onRemove', data: { node: T; key: unknown }[]): boolean
+    emit(event: 'onAdd', data: { node: T; key: unknown }[]): boolean
+    emit(event: string | symbol, data: any) {
+        return super.emit(event, { data })
+    }
+    //#endregion
+    virtualNode: RequireNode<T, DomProxy> = DomProxy() as any
+
+    //#region For multiple nodes injection
+    private mapNodeToKey: Parameters<MultipleNodeWatcher<T>['assignKeys']>[0] = node => node
+    private keyComparer(a: unknown, b: unknown) {
+        return a === b
+    }
+    assignKeys: MultipleNodeWatcher<T>['assignKeys'] = ((...args: Parameters<MultipleNodeWatcher<T>['assignKeys']>) => {
+        this.mapNodeToKey = args[0]
+        if (args[1]) this.keyComparer = args[1]
+        return this
+    }) as any
+    private useNodeForeachFn: Parameters<MultipleNodeWatcher<T>['useNodeForeach']>[0] | null = null
+    useNodeForeach: MultipleNodeWatcher<T>['useNodeForeach'] = ((
+        ...args: Parameters<MultipleNodeWatcher<T>['useNodeForeach']>
+    ) => {
+        this.useNodeForeachFn = args[0]
+        return this
+    }) as any
+    getVirtualNodeByKey: MultipleNodeWatcher<T>['getVirtualNodeByKey'] = ((key: unknown) => {
+        return this.lastVirtualNodesMap.get(
+            [...this.lastVirtualNodesMap.keys()].find(_ => this.keyComparer(_, key)),
+        ) as ReturnType<MultipleNodeWatcher<T>['getVirtualNodeByKey']>
+    }) as any
+    //#endregion
+}
diff --git a/src/global.d.ts b/src/global.d.ts
new file mode 100644
index 0000000..5e49d79
--- /dev/null
+++ b/src/global.d.ts
@@ -0,0 +1,7 @@
+declare namespace React {
+    const createElement: any
+    const useState: any
+}
+declare namespace ReactDOM {
+    const render: any
+}
diff --git a/src/index.ts b/src/index.ts
new file mode 100644
index 0000000..90cdbc7
--- /dev/null
+++ b/src/index.ts
@@ -0,0 +1,3 @@
+export { LiveSelector } from './LiveSelector'
+export { DomProxy } from './DOMProxy'
+export { Watcher } from './Watcher'
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..98108d3
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "declaration": true,
+    "declarationMap": true,
+    "downlevelIteration": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "noFallthroughCasesInSwitch": true,
+    "lib": ["es2018", "dom", "dom.iterable"],
+    "module": "esnext",
+    "moduleResolution": "node",
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "noImplicitReturns": true,
+    "sourceMap": true,
+    "pretty": true,
+    "target": "es2018",
+    "outDir": "./es/"
+  },
+  "include": ["./src/**/*"]
+}
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..ac90bc3
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,1391 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/estree@0.0.39":
+  version "0.0.39"
+  resolved "http://registry.npm.taobao.org/@types/estree/download/@types/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
+  integrity sha1-4Xfmme4bjCLSMXTKqnQiZEOJUJ8=
+
+"@types/lodash-es@^4.1.4":
+  version "4.17.2"
+  resolved "http://registry.npm.taobao.org/@types/lodash-es/download/@types/lodash-es-4.17.2.tgz#32914ee99ce45a570f8fe739376a205e649372a5"
+  integrity sha1-MpFO6ZzkWlcPj+c5N2ogXmSTcqU=
+  dependencies:
+    "@types/lodash" "*"
+
+"@types/lodash@*":
+  version "4.14.121"
+  resolved "http://registry.npm.taobao.org/@types/lodash/download/@types/lodash-4.14.121.tgz#9327e20d49b95fc2bf983fc2f045b2c6effc80b9"
+  integrity sha1-kyfiDUm5X8K/mD/C8EWyxu/8gLk=
+
+"@types/node@10.12.23":
+  version "10.12.23"
+  resolved "http://registry.npm.taobao.org/@types/node/download/@types/node-10.12.23.tgz#308a3acdc5d1c842aeadc50b867d99c46cfae868"
+  integrity sha1-MIo6zcXRyEKurcULhn2ZxGz66Gg=
+
+"@types/node@^11.9.5":
+  version "11.10.4"
+  resolved "http://registry.npm.taobao.org/@types/node/download/@types/node-11.10.4.tgz#3f5fc4f0f322805f009e00ab35a2ff3d6b778e42"
+  integrity sha1-P1/E8PMigF8AngCrNaL/PWt3jkI=
+
+acorn@^6.1.1:
+  version "6.1.1"
+  resolved "http://registry.npm.taobao.org/acorn/download/acorn-6.1.1.tgz#7d25ae05bb8ad1f9b699108e1094ecd7884adc1f"
+  integrity sha1-fSWuBbuK0fm2mRCOEJTs14hK3B8=
+
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "http://registry.npm.taobao.org/ansi-styles/download/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  integrity sha1-QfuyAkPlCxK+DwS43tvwdSDOhB0=
+  dependencies:
+    color-convert "^1.9.0"
+
+arr-diff@^2.0.0:
+  version "2.0.0"
+  resolved "http://registry.npm.taobao.org/arr-diff/download/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
+  integrity sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=
+  dependencies:
+    arr-flatten "^1.0.1"
+
+arr-diff@^4.0.0:
+  version "4.0.0"
+  resolved "http://registry.npm.taobao.org/arr-diff/download/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
+  integrity sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=
+
+arr-flatten@^1.0.1, arr-flatten@^1.1.0:
+  version "1.1.0"
+  resolved "http://registry.npm.taobao.org/arr-flatten/download/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
+  integrity sha1-NgSLv/TntH4TZkQxbJlmnqWukfE=
+
+arr-union@^3.1.0:
+  version "3.1.0"
+  resolved "http://registry.npm.taobao.org/arr-union/download/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
+  integrity sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=
+
+array-filter@~0.0.0:
+  version "0.0.1"
+  resolved "http://registry.npm.taobao.org/array-filter/download/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
+  integrity sha1-fajPLiZijtcygDWB/SH2fKzS7uw=
+
+array-map@~0.0.0:
+  version "0.0.0"
+  resolved "http://registry.npm.taobao.org/array-map/download/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
+  integrity sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=
+
+array-reduce@~0.0.0:
+  version "0.0.0"
+  resolved "http://registry.npm.taobao.org/array-reduce/download/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
+  integrity sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=
+
+array-unique@^0.2.1:
+  version "0.2.1"
+  resolved "http://registry.npm.taobao.org/array-unique/download/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
+  integrity sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=
+
+array-unique@^0.3.2:
+  version "0.3.2"
+  resolved "http://registry.npm.taobao.org/array-unique/download/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
+  integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
+
+assign-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "http://registry.npm.taobao.org/assign-symbols/download/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
+  integrity sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=
+
+atob@^2.1.1:
+  version "2.1.2"
+  resolved "http://registry.npm.taobao.org/atob/download/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
+  integrity sha1-bZUX654DDSQ2ZmZR6GvZ9vE1M8k=
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "http://registry.npm.taobao.org/balanced-match/download/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+base@^0.11.1:
+  version "0.11.2"
+  resolved "http://registry.npm.taobao.org/base/download/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
+  integrity sha1-e95c7RRbbVUakNuH+DxVi060io8=
+  dependencies:
+    cache-base "^1.0.1"
+    class-utils "^0.3.5"
+    component-emitter "^1.2.1"
+    define-property "^1.0.0"
+    isobject "^3.0.1"
+    mixin-deep "^1.2.0"
+    pascalcase "^0.1.1"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "http://registry.npm.taobao.org/brace-expansion/download/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha1-PH/L9SnYcibz0vUrlm/1Jx60Qd0=
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+braces@^1.8.2:
+  version "1.8.5"
+  resolved "http://registry.npm.taobao.org/braces/download/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
+  integrity sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=
+  dependencies:
+    expand-range "^1.8.1"
+    preserve "^0.2.0"
+    repeat-element "^1.1.2"
+
+braces@^2.3.1:
+  version "2.3.2"
+  resolved "http://registry.npm.taobao.org/braces/download/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
+  integrity sha1-WXn9PxTNUxVl5fot8av/8d+u5yk=
+  dependencies:
+    arr-flatten "^1.1.0"
+    array-unique "^0.3.2"
+    extend-shallow "^2.0.1"
+    fill-range "^4.0.0"
+    isobject "^3.0.1"
+    repeat-element "^1.1.2"
+    snapdragon "^0.8.1"
+    snapdragon-node "^2.0.1"
+    split-string "^3.0.2"
+    to-regex "^3.0.1"
+
+builtin-modules@^3.0.0:
+  version "3.0.0"
+  resolved "http://registry.npm.taobao.org/builtin-modules/download/builtin-modules-3.0.0.tgz#1e587d44b006620d90286cc7a9238bbc6129cab1"
+  integrity sha1-Hlh9RLAGYg2QKGzHqSOLvGEpyrE=
+
+cache-base@^1.0.1:
+  version "1.0.1"
+  resolved "http://registry.npm.taobao.org/cache-base/download/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
+  integrity sha1-Cn9GQWgxyLZi7jb+TnxZ129marI=
+  dependencies:
+    collection-visit "^1.0.0"
+    component-emitter "^1.2.1"
+    get-value "^2.0.6"
+    has-value "^1.0.0"
+    isobject "^3.0.1"
+    set-value "^2.0.0"
+    to-object-path "^0.3.0"
+    union-value "^1.0.0"
+    unset-value "^1.0.0"
+
+chalk@^2.4.1:
+  version "2.4.2"
+  resolved "http://registry.npm.taobao.org/chalk/download/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha1-zUJUFnelQzPPVBpJEIwUMrRMlCQ=
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+class-utils@^0.3.5:
+  version "0.3.6"
+  resolved "http://registry.npm.taobao.org/class-utils/download/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
+  integrity sha1-+TNprouafOAv1B+q0MqDAzGQxGM=
+  dependencies:
+    arr-union "^3.1.0"
+    define-property "^0.2.5"
+    isobject "^3.0.0"
+    static-extend "^0.1.1"
+
+collection-visit@^1.0.0:
+  version "1.0.0"
+  resolved "http://registry.npm.taobao.org/collection-visit/download/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
+  integrity sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=
+  dependencies:
+    map-visit "^1.0.0"
+    object-visit "^1.0.0"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "http://registry.npm.taobao.org/color-convert/download/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha1-u3GFBpDh8TZWfeYp0tVHHe2kweg=
+  dependencies:
+    color-name "1.1.3"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "http://registry.npm.taobao.org/color-name/download/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+component-emitter@^1.2.1:
+  version "1.2.1"
+  resolved "http://registry.npm.taobao.org/component-emitter/download/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
+  integrity sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "http://registry.npm.taobao.org/concat-map/download/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+copy-descriptor@^0.1.0:
+  version "0.1.1"
+  resolved "http://registry.npm.taobao.org/copy-descriptor/download/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
+  integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
+
+cross-spawn@^6.0.5:
+  version "6.0.5"
+  resolved "http://registry.npm.taobao.org/cross-spawn/download/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
+  integrity sha1-Sl7Hxk364iw6FBJNus3uhG2Ay8Q=
+  dependencies:
+    nice-try "^1.0.4"
+    path-key "^2.0.1"
+    semver "^5.5.0"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
+debug@^2.2.0, debug@^2.3.3:
+  version "2.6.9"
+  resolved "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=
+  dependencies:
+    ms "2.0.0"
+
+decode-uri-component@^0.2.0:
+  version "0.2.0"
+  resolved "http://registry.npm.taobao.org/decode-uri-component/download/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+
+define-properties@^1.1.2:
+  version "1.1.3"
+  resolved "http://registry.npm.taobao.org/define-properties/download/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha1-z4jabL7ib+bbcJT2HYcMvYTO6fE=
+  dependencies:
+    object-keys "^1.0.12"
+
+define-property@^0.2.5:
+  version "0.2.5"
+  resolved "http://registry.npm.taobao.org/define-property/download/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
+  integrity sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=
+  dependencies:
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+
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+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "http://registry.npm.taobao.org/repeat-element/download/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+  integrity sha1-eC4NglwMWjuzlzH4Tv7mt0Lmsc4=
+
+repeat-string@^1.5.2, repeat-string@^1.6.1:
+  version "1.6.1"
+  resolved "http://registry.npm.taobao.org/repeat-string/download/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
+
+resolve-url@^0.2.1:
+  version "0.2.1"
+  resolved "http://registry.npm.taobao.org/resolve-url/download/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
+  integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
+
+resolve@1.8.1:
+  version "1.8.1"
+  resolved "http://registry.npm.taobao.org/resolve/download/resolve-1.8.1.tgz#82f1ec19a423ac1fbd080b0bab06ba36e84a7a26"
+  integrity sha1-gvHsGaQjrB+9CAsLqwa6NuhKeiY=
+  dependencies:
+    path-parse "^1.0.5"
+
+resolve@^1.10.0:
+  version "1.10.0"
+  resolved "http://registry.npm.taobao.org/resolve/download/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
+  integrity sha1-O9qur0XMB/N1ZW39LlTtCBCxAbo=
+  dependencies:
+    path-parse "^1.0.6"
+
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "http://registry.npm.taobao.org/ret/download/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+  integrity sha1-uKSCXVvbH8P29Twrwz+BOIaBx7w=
+
+rollup-plugin-commonjs@^9.2.0:
+  version "9.2.1"
+  resolved "http://registry.npm.taobao.org/rollup-plugin-commonjs/download/rollup-plugin-commonjs-9.2.1.tgz#bb151ca8fa23600c7a03e25f9f0a45b1ee922dac"
+  integrity sha1-uxUcqPojYAx6A+JfnwpFse6SLaw=
+  dependencies:
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+    magic-string "^0.25.1"
+    resolve "^1.10.0"
+    rollup-pluginutils "^2.3.3"
+
+rollup-plugin-node-resolve@^4.0.0:
+  version "4.0.1"
+  resolved "http://registry.npm.taobao.org/rollup-plugin-node-resolve/download/rollup-plugin-node-resolve-4.0.1.tgz#f95765d174e5daeef9ea6268566141f53aa9d422"
+  integrity sha1-+Vdl0XTl2u756mJoVmFB9Tqp1CI=
+  dependencies:
+    builtin-modules "^3.0.0"
+    is-module "^1.0.0"
+    resolve "^1.10.0"
+
+rollup-plugin-replace@^2.1.0:
+  version "2.1.0"
+  resolved "http://registry.npm.taobao.org/rollup-plugin-replace/download/rollup-plugin-replace-2.1.0.tgz#f9c07a4a89a2f8be912ee54b3f0f68d91e9ed0ae"
+  integrity sha1-+cB6Somi+L6RLuVLPw9o2R6e0K4=
+  dependencies:
+    magic-string "^0.25.1"
+    minimatch "^3.0.2"
+    rollup-pluginutils "^2.0.1"
+
+rollup-plugin-typescript2@^0.19.2:
+  version "0.19.3"
+  resolved "http://registry.npm.taobao.org/rollup-plugin-typescript2/download/rollup-plugin-typescript2-0.19.3.tgz#713063233461765f030a2baa2640905c2656164f"
+  integrity sha1-cTBjIzRhdl8DCiuqJkCQXCZWFk8=
+  dependencies:
+    fs-extra "7.0.1"
+    resolve "1.8.1"
+    rollup-pluginutils "2.3.3"
+    tslib "1.9.3"
+
+rollup-pluginutils@2.3.3:
+  version "2.3.3"
+  resolved "http://registry.npm.taobao.org/rollup-pluginutils/download/rollup-pluginutils-2.3.3.tgz#3aad9b1eb3e7fe8262820818840bf091e5ae6794"
+  integrity sha1-Oq2bHrPn/oJigggYhAvwkeWuZ5Q=
+  dependencies:
+    estree-walker "^0.5.2"
+    micromatch "^2.3.11"
+
+rollup-pluginutils@^2.0.1, rollup-pluginutils@^2.3.3:
+  version "2.4.1"
+  resolved "http://registry.npm.taobao.org/rollup-pluginutils/download/rollup-pluginutils-2.4.1.tgz#de43ab54965bbf47843599a7f3adceb723de38db"
+  integrity sha1-3kOrVJZbv0eENZmn863OtyPeONs=
+  dependencies:
+    estree-walker "^0.6.0"
+    micromatch "^3.1.10"
+
+rollup@^1.1.2:
+  version "1.4.0"
+  resolved "http://registry.npm.taobao.org/rollup/download/rollup-1.4.0.tgz#fdc965b4ea7948e0b8e1a9051067dce1a61b3a24"
+  integrity sha1-/clltOp5SOC44akFEGfc4aYbOiQ=
+  dependencies:
+    "@types/estree" "0.0.39"
+    "@types/node" "^11.9.5"
+    acorn "^6.1.1"
+
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "http://registry.npm.taobao.org/safe-regex/download/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
+  dependencies:
+    ret "~0.1.10"
+
+"semver@2 || 3 || 4 || 5", semver@^5.5.0:
+  version "5.6.0"
+  resolved "http://registry.npm.taobao.org/semver/download/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
+  integrity sha1-fnQlb7qknHWqfHogXMInmcrIAAQ=
+
+set-value@^0.4.3:
+  version "0.4.3"
+  resolved "http://registry.npm.taobao.org/set-value/download/set-value-0.4.3.tgz#7db08f9d3d22dc7f78e53af3c3bf4666ecdfccf1"
+  integrity sha1-fbCPnT0i3H945Trzw79GZuzfzPE=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.1"
+    to-object-path "^0.3.0"
+
+set-value@^2.0.0:
+  version "2.0.0"
+  resolved "http://registry.npm.taobao.org/set-value/download/set-value-2.0.0.tgz#71ae4a88f0feefbbf52d1ea604f3fb315ebb6274"
+  integrity sha1-ca5KiPD+77v1LR6mBPP7MV67YnQ=
+  dependencies:
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+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.3"
+    split-string "^3.0.1"
+
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "http://registry.npm.taobao.org/shebang-command/download/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  integrity sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "http://registry.npm.taobao.org/shebang-regex/download/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+  integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
+
+shell-quote@^1.6.1:
+  version "1.6.1"
+  resolved "http://registry.npm.taobao.org/shell-quote/download/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
+  integrity sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=
+  dependencies:
+    array-filter "~0.0.0"
+    array-map "~0.0.0"
+    array-reduce "~0.0.0"
+    jsonify "~0.0.0"
+
+snapdragon-node@^2.0.1:
+  version "2.1.1"
+  resolved "http://registry.npm.taobao.org/snapdragon-node/download/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
+  integrity sha1-bBdfhv8UvbByRWPo88GwIaKGhTs=
+  dependencies:
+    define-property "^1.0.0"
+    isobject "^3.0.0"
+    snapdragon-util "^3.0.1"
+
+snapdragon-util@^3.0.1:
+  version "3.0.1"
+  resolved "http://registry.npm.taobao.org/snapdragon-util/download/snapdragon-util-3.0.1.tgz#f956479486f2acd79700693f6f7b805e45ab56e2"
+  integrity sha1-+VZHlIbyrNeXAGk/b3uAXkWrVuI=
+  dependencies:
+    kind-of "^3.2.0"
+
+snapdragon@^0.8.1:
+  version "0.8.2"
+  resolved "http://registry.npm.taobao.org/snapdragon/download/snapdragon-0.8.2.tgz#64922e7c565b0e14204ba1aa7d6964278d25182d"
+  integrity sha1-ZJIufFZbDhQgS6GqfWlkJ40lGC0=
+  dependencies:
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+    debug "^2.2.0"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    map-cache "^0.2.2"
+    source-map "^0.5.6"
+    source-map-resolve "^0.5.0"
+    use "^3.1.0"
+
+source-map-resolve@^0.5.0:
+  version "0.5.2"
+  resolved "http://registry.npm.taobao.org/source-map-resolve/download/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
+  integrity sha1-cuLMNAlVQ+Q7LGKyxMENSpBU8lk=
+  dependencies:
+    atob "^2.1.1"
+    decode-uri-component "^0.2.0"
+    resolve-url "^0.2.1"
+    source-map-url "^0.4.0"
+    urix "^0.1.0"
+
+source-map-url@^0.4.0:
+  version "0.4.0"
+  resolved "http://registry.npm.taobao.org/source-map-url/download/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
+  integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
+
+source-map@^0.5.6:
+  version "0.5.7"
+  resolved "http://registry.npm.taobao.org/source-map/download/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
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+  version "1.4.4"
+  resolved "http://registry.npm.taobao.org/sourcemap-codec/download/sourcemap-codec-1.4.4.tgz#c63ea927c029dd6bd9a2b7fa03b3fec02ad56e9f"
+  integrity sha1-xj6pJ8Ap3WvZorf6A7P+wCrVbp8=
+
+spdx-correct@^3.0.0:
+  version "3.1.0"
+  resolved "http://registry.npm.taobao.org/spdx-correct/download/spdx-correct-3.1.0.tgz#fb83e504445268f154b074e218c87c003cd31df4"
+  integrity sha1-+4PlBERSaPFUsHTiGMh8ADzTHfQ=
+  dependencies:
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-exceptions@^2.1.0:
+  version "2.2.0"
+  resolved "http://registry.npm.taobao.org/spdx-exceptions/download/spdx-exceptions-2.2.0.tgz#2ea450aee74f2a89bfb94519c07fcd6f41322977"
+  integrity sha1-LqRQrudPKom/uUUZwH/Nb0EyKXc=
+
+spdx-expression-parse@^3.0.0:
+  version "3.0.0"
+  resolved "http://registry.npm.taobao.org/spdx-expression-parse/download/spdx-expression-parse-3.0.0.tgz#99e119b7a5da00e05491c9fa338b7904823b41d0"
+  integrity sha1-meEZt6XaAOBUkcn6M4t5BII7QdA=
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-license-ids@^3.0.0:
+  version "3.0.3"
+  resolved "http://registry.npm.taobao.org/spdx-license-ids/download/spdx-license-ids-3.0.3.tgz#81c0ce8f21474756148bbb5f3bfc0f36bf15d76e"
+  integrity sha1-gcDOjyFHR1YUi7tfO/wPNr8V124=
+
+split-string@^3.0.1, split-string@^3.0.2:
+  version "3.1.0"
+  resolved "http://registry.npm.taobao.org/split-string/download/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
+  integrity sha1-fLCd2jqGWFcFxks5pkZgOGguj+I=
+  dependencies:
+    extend-shallow "^3.0.0"
+
+static-extend@^0.1.1:
+  version "0.1.2"
+  resolved "http://registry.npm.taobao.org/static-extend/download/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
+  integrity sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=
+  dependencies:
+    define-property "^0.2.5"
+    object-copy "^0.1.0"
+
+string.prototype.padend@^3.0.0:
+  version "3.0.0"
+  resolved "http://registry.npm.taobao.org/string.prototype.padend/download/string.prototype.padend-3.0.0.tgz#f3aaef7c1719f170c5eab1c32bf780d96e21f2f0"
+  integrity sha1-86rvfBcZ8XDF6rHDK/eA2W4h8vA=
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.4.3"
+    function-bind "^1.0.2"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "http://registry.npm.taobao.org/strip-bom/download/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+  integrity sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=
+
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "http://registry.npm.taobao.org/supports-color/download/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  integrity sha1-4uaaRKyHcveKHsCzW2id9lMO/I8=
+  dependencies:
+    has-flag "^3.0.0"
+
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+  version "0.3.0"
+  resolved "http://registry.npm.taobao.org/to-object-path/download/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
+  integrity sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=
+  dependencies:
+    kind-of "^3.0.2"
+
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+  version "2.1.1"
+  resolved "http://registry.npm.taobao.org/to-regex-range/download/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
+  integrity sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=
+  dependencies:
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+
+to-regex@^3.0.1, to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "http://registry.npm.taobao.org/to-regex/download/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  integrity sha1-E8/dmzNlUvMLUfM6iuG0Knp1mc4=
+  dependencies:
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+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
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+  version "1.9.3"
+  resolved "http://registry.npm.taobao.org/tslib/download/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
+  integrity sha1-1+TdeSRdhUKMTX5IIqeZF5VMooY=
+
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+  version "3.3.3"
+  resolved "http://registry.npm.taobao.org/typescript/download/typescript-3.3.3.tgz#f1657fc7daa27e1a8930758ace9ae8da31403221"
+  integrity sha1-8WV/x9qifhqJMHWKzpro2jFAMiE=
+
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+  version "1.0.0"
+  resolved "http://registry.npm.taobao.org/union-value/download/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
+  integrity sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=
+  dependencies:
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+    get-value "^2.0.6"
+    is-extendable "^0.1.1"
+    set-value "^0.4.3"
+
+universalify@^0.1.0:
+  version "0.1.2"
+  resolved "http://registry.npm.taobao.org/universalify/download/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+  integrity sha1-tkb2m+OULavOzJ1mOcgNwQXvqmY=
+
+unset-value@^1.0.0:
+  version "1.0.0"
+  resolved "http://registry.npm.taobao.org/unset-value/download/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
+  integrity sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=
+  dependencies:
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+    isobject "^3.0.0"
+
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+  version "0.1.0"
+  resolved "http://registry.npm.taobao.org/urix/download/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
+  integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
+
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+  version "3.1.1"
+  resolved "http://registry.npm.taobao.org/use/download/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
+  integrity sha1-1QyMrHmhn7wg8pEfVuuXP04QBw8=
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.4"
+  resolved "http://registry.npm.taobao.org/validate-npm-package-license/download/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
+  integrity sha1-/JH2uce6FchX9MssXe/uw51PQQo=
+  dependencies:
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
+
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+  version "1.3.1"
+  resolved "http://registry.npm.taobao.org/which/download/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
+  integrity sha1-pFBD1U9YBTFtqNYvn1CRjT2nCwo=
+  dependencies:
+    isexe "^2.0.0"