commit 165741cc5457ea7cde8ec557f149ed27985d1680
Author: yutent <yutent.io@gmail.com>
Date:   Mon Mar 6 12:25:54 2023 +0800

    init

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
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+*.min.js
+*.min.css
+.httpserver
+index.html
+test.js
+.vscode
+node_modules/
+dist/
+*.sublime-project
+*.sublime-workspace
+package-lock.json
+
+
+._*
+
+.Spotlight-V100
+.Trashes
+.DS_Store
+.AppleDouble
+.LSOverride
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diff --git a/.prettierrc.yaml b/.prettierrc.yaml
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+++ b/.prettierrc.yaml
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+jsxBracketSameLine: true
+jsxSingleQuote: true
+semi: false
+singleQuote: true
+printWidth: 80
+useTabs: false
+tabWidth: 2
+trailingComma: none
+bracketSpacing: true
+arrowParens: avoid
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diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+MIT License
+
+Copyright (c) 2018 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/Readme.md b/Readme.md
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--- /dev/null
+++ b/Readme.md
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+## 9号UI组件库的核心
+
+
+```js
+import { css, html, Component } from '//jscdn.ink/@ninejs/core/latest/index.js'
+
+class Hello extends Component {
+
+  static props = {
+    count: {
+      type: Number,
+      default: 0
+    }
+  }
+
+  static styles = css`
+    button { color: #09f; }
+    span { color: #f30; }
+  `
+
+  render(){
+    return html`
+      <div>
+        <button @click="increase">点击我</button>
+      </div>
+      <div>所有点击数为: <span>${this.count}</span></div>
+    `
+  }
+
+  increase(){
+    this.count++
+  }
+
+}
+
+customElements.define('wc-hello', Hello)
+
+
+/* 
+
+  <!-- 在html中,便可以直接使用 -->
+  <wc-hello></wc-hello>
+
+*/
+
+```
+
+若需要支持 scss, 则需要使用构建工具,预处理。
+
+```js
+import { css, html, Component } from '@ninejs/core'
+
+@customElement('wc-hello')
+class Hello extends Component {
+
+  static props = {
+    count: {
+      type: Number,
+      default: 0
+    }
+  }
+
+  // 这个scss会被解析进来
+  @extendStyle('hello.scss')
+  static styles
+
+  render(){
+    return html`
+      <div>
+        <button @click="increase">点击我</button>
+      </div>
+      <div>所有点击数为: <span>${this.count}</span></div>
+    `
+  }
+
+  increase(){
+    this.count++
+  }
+
+}
+
+// 这个可以省略
+// customElements.define('wc-hello', Hello)
+
+
+/* 
+
+  <!-- 在html中,便可以直接使用 -->
+  <wc-hello></wc-hello>
+
+*/
+
+```
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diff --git a/package.json b/package.json
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--- /dev/null
+++ b/package.json
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+{
+  "name": "@ninejs/core",
+  "version": "0.0.1",
+  "type": "module",
+  "description": "",
+  "main": "dist/index.js",
+  "files": [
+    "dist/*"
+  ],
+  "scripts": {},
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/bytedo/nine-core.git"
+  },
+  "keywords": [
+    "nine.",
+    "ninejs",
+    "nine-ui",
+    "nine-core"
+  ],
+  "devDependencies": {
+    "esbuild": "^0.17.11"
+  },
+  "author": "yutent",
+  "license": "MIT"
+}
diff --git a/src/constants.js b/src/constants.js
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--- /dev/null
+++ b/src/constants.js
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+/**
+ * {}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2023/03/06 12:08:35
+ */
+
+export const finalize = Symbol('finalize')
+export const RESET_CSS_STYLE = css`
+  * {
+    box-sizing: border-box;
+    margin: 0;
+    padding: 0;
+  }
+  ::before,
+  ::after {
+    box-sizing: border-box;
+  }
+`
diff --git a/src/index.js b/src/index.js
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index 0000000..129ce7a
--- /dev/null
+++ b/src/index.js
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+/**
+ * {全新的组件核心库}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2023/03/03 11:21:44
+ */
+
+import { finalize, RESET_CSS_STYLE } from './constants.js'
+
+export function css(strs, ...args) {
+  let output = `
+  
+  `
+  let tmp = Array.from(strs)
+  while (tmp.length) {
+    output += tmp.shift() + (args.shift() || '')
+  }
+
+  if (args.length) {
+    output += args.join(' ')
+  }
+  return output
+}
+
+export function html(strs, ...args) {
+  let output = ''
+  let tmp = Array.from(strs)
+  // console.log(tmp, args)
+
+  while (tmp.length) {
+    let _ = args.shift()
+    switch (typeof _) {
+      case 'function':
+        console.log([_], _.name)
+        _ = _.name
+        break
+      case 'object':
+        if (Array.isArray(_)) {
+          _ = _.join('')
+        }
+        break
+    }
+    output += tmp.shift() + (_ === void 0 ? '' : _)
+  }
+
+  if (args.length) {
+    output += args.join(' ')
+  }
+  return output
+}
+
+function getTemplate(html) {
+  let template = document.createElement('template')
+  template.innerHTML = html
+  return template.content.cloneNode(true)
+}
+
+function adoptStyles(root, styles = '') {
+  let sheet = new CSSStyleSheet()
+  if (typeof styles === 'string') {
+    styles = [styles]
+  } else {
+    styles = styles.flat(Infinity)
+  }
+  styles = (RESET_CSS_STYLE + styles.join(' ')).trim()
+  sheet.replaceSync(styles)
+  root.adoptedStyleSheets.push(sheet)
+}
+
+function render(root, html) {
+  root.appendChild(getTemplate(html))
+}
+
+export class Component extends HTMLElement {
+  static get observedAttributes() {
+    this[finalize]()
+
+    let list = []
+    this.elemProps.forEach((it, prop) => {
+      list.push(prop)
+    })
+    return list
+  }
+
+  constructor() {
+    super()
+    this.created && this.created()
+  }
+
+  static [finalize]() {
+    if (this.finalized) {
+      return
+    }
+
+    this.finalized = true
+
+    this.elemProps = new Map()
+
+    for (let k in this.props) {
+      let prop = Symbol(k)
+      let options = this.props[k]
+      this.elemProps.set(k, prop)
+      Object.defineProperty(this.prototype, k, {
+        get() {
+          return this[prop] || options.default
+        },
+        set(val) {
+          this[prop] = val
+        },
+        enumerable: false
+      })
+    }
+  }
+
+  render() {
+    return ''
+  }
+
+  connectedCallback() {
+    Object.defineProperty(this, 'root', {
+      value: this.shadowRoot || this.attachShadow({ mode: 'open' }),
+      enumerable: false
+    })
+
+    adoptStyles(this.root, this.constructor.styles)
+
+    render(this.root, this.render())
+
+    this.mounted && this.mounted()
+  }
+
+  disconnectedCallback() {
+    console.log('>>>>')
+  }
+
+  attributeChangedCallback(name, old, val) {
+    if (old === val) {
+      return
+    }
+  }
+
+  adoptedCallback() {
+    //
+  }
+}