优化代码,减少一些不必须的symbol

pull/1/head 1.5.14
yutent 2023-03-24 11:29:39 +08:00
parent d2ccaa5c3d
commit f7e0ce08c3
3 changed files with 18 additions and 34 deletions

View File

@ -1,6 +1,6 @@
{
"name": "@bd/core",
"version": "1.5.13",
"version": "1.5.14",
"type": "module",
"description": "百搭UI组件库的核心",
"main": "dist/index.js",

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@ -39,18 +39,11 @@ export const WC_PART = Symbol('wc_path')
export const NO_CHANGE = Symbol('wc-noChange')
export const NOTHING = Symbol('wc-nothing')
export const __finalized__ = Symbol('finalized')
export const __render__ = Symbol('render')
export const __init__ = Symbol('init')
export const __props__ = Symbol('props')
export const __changed_props__ = Symbol('changed_props')
export const __mounted__ = Symbol('mounted')
export const __feedback__ = Symbol('feedback')
export const __pending__ = Symbol('pending')
export const __prop2attr__ = Symbol('prop2attr')
export const __attr2prop__ = Symbol('attr2prop')
export const __clear_update__ = Symbol('clearupdate')
export const __children__ = Symbol('children')
export const __updated__ = Symbol('updated')
export const RESET_CSS_STYLE = `* {box-sizing: border-box;margin: 0;padding: 0;}::before,::after {box-sizing: border-box;}`

View File

@ -8,18 +8,11 @@ import {
parsePropsDeclaration,
boolMap,
__finalized__,
__render__,
__init__,
__props__,
__changed_props__,
__mounted__,
__feedback__,
__pending__,
__prop2attr__,
__attr2prop__,
__clear_update__,
__children__,
__updated__
__children__
} from './constants.js'
import { css, adoptStyles } from './css.js'
import { render, html, svg } from './html.js'
@ -114,7 +107,7 @@ export class Component extends HTMLElement {
this.created()
}
[__init__]() {
#init() {
// 这里重新赋值一次, 用于清除掉因为 observer 修正产生的变化
this[__changed_props__] = new Map()
// 初始化 props
@ -125,7 +118,7 @@ export class Component extends HTMLElement {
// 若无定义props时, 手动执行一次渲染
if (this[__pending__] === false) {
this[__pending__] = true
nextTick(_ => this[__updated__]())
nextTick(_ => this.#confirmUpdate())
}
}
@ -134,7 +127,7 @@ export class Component extends HTMLElement {
}
connectedCallback() {
this[__init__]()
this.#init()
adoptStyles(this.root, this.constructor.styles)
this[__children__]?.setConnected(true)
@ -149,7 +142,7 @@ export class Component extends HTMLElement {
if (old === val) {
return
}
this[__attr2prop__](name, val, old)
this.#attr2prop(name, val, old)
}
/**
@ -158,7 +151,7 @@ export class Component extends HTMLElement {
* @param name<String>
* @param value<String|Boolean|Number>
*/
[__prop2attr__](name, value) {
#prop2attr(name, value) {
let options = this.#getPropOptions(name)
if (options.attribute === false) {
@ -191,7 +184,7 @@ export class Component extends HTMLElement {
* @param name<String>
* @param value<String|Boolean|Number>
*/
[__attr2prop__](name, value, old) {
#attr2prop(name, value, old) {
let _name = boolMap[name],
options
if (_name) {
@ -206,27 +199,25 @@ export class Component extends HTMLElement {
$requestUpdate(name, oldValue) {
if (name !== void 0) {
this[__changed_props__].set(name, this[name])
this[__prop2attr__](name, this[name])
this.#prop2attr(name, this[name])
}
if (this[__pending__] === false) {
this[__pending__] = true
nextTick(_ => this[__updated__]())
nextTick(_ => this.#confirmUpdate())
}
}
// 确认更新到视图
[__updated__]() {
if (this[__pending__]) {
#confirmUpdate() {
let props = this[__changed_props__]
this[__render__]()
this[__feedback__](props)
this[__clear_update__]()
}
this.#render()
this.#feedback(props)
this.#clearUpdate()
}
// 更新回调反馈
[__feedback__](props) {
#feedback(props) {
// 初始化时不触发updated回调
if (this[__mounted__] === false) {
this[__mounted__] = true
@ -236,13 +227,13 @@ export class Component extends HTMLElement {
}
}
[__clear_update__]() {
#clearUpdate() {
this[__changed_props__] = new Map()
this[__pending__] = false
}
// 渲染视图
[__render__]() {
#render() {
let ast = this.render()
this[__children__] = render(ast, this.root, {