parent
5326af856c
commit
c9b21cd790
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@ -1,6 +1,6 @@
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{
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"name": "@bd/core",
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"version": "1.8.8",
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"version": "1.9.0",
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"type": "module",
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"description": "百搭UI组件库的核心",
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"main": "dist/index.js",
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@ -36,7 +36,6 @@ const boolMap = Object.create(null)
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export { boolMap }
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export const WC_PART = Symbol('wc_path')
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export const NO_CHANGE = Symbol('wc-noChange')
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export const NOTHING = Symbol('wc-nothing')
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export const __finalized__ = Symbol('finalized')
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export const __props__ = Symbol('props')
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182
src/html.js
182
src/html.js
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@ -1,4 +1,4 @@
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import { boolMap, WC_PART, NO_CHANGE, NOTHING } from './constants.js'
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import { boolMap, WC_PART, NOTHING } from './constants.js'
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import { animate, MODES } from './anim.js'
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const boundAttributeSuffix = '$wc$'
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@ -45,6 +45,8 @@ const COMMENT_PART = 7
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const templateCache = new WeakMap()
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const walker = document.createTreeWalker(document, 129, null, false)
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function noop() {}
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function getTemplateHtml(strings, type) {
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let len = strings.length - 1
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let attrNames = []
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@ -170,12 +172,19 @@ class Template {
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)
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let statics = value.split(marker)
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let m = /([#:@])?(.*)/.exec(realName)
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let decorates = []
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if (m[1] === '@' && m[2].includes('.')) {
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decorates = m[2].split('.')
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m[2] = decorates.shift()
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}
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parts.push({
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type: ATTRIBUTE_PART,
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index: nodeIndex,
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name: m[2],
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strings: statics,
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decorates,
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ctor:
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m[1] === ':'
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? PropertyPart
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@ -231,50 +240,6 @@ class Template {
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return el
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}
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}
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function resolveDirective(part, value, parent = part, attributeIndex) {
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if (value === NO_CHANGE) {
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return value
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}
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let currentDirective =
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attributeIndex !== void 0
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? parent.__directives?.[attributeIndex]
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: parent.__directive
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let nextDirectiveConstructor = isPrimitive(value)
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? void 0
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: value['_$litDirective$']
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if (currentDirective?.constructor !== nextDirectiveConstructor) {
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currentDirective._$notifyDirectiveConnectionChanged?.call(
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currentDirective,
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false
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)
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if (nextDirectiveConstructor === void 0) {
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currentDirective = void 0
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} else {
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currentDirective = new nextDirectiveConstructor(part)
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currentDirective._$initialize(part, parent, attributeIndex)
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}
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if (attributeIndex !== void 0) {
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if (!parent.__directives) {
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parent.__directives = []
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}
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parent.__directives[attributeIndex] = currentDirective
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} else {
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parent.__directive = currentDirective
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}
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}
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if (currentDirective !== void 0) {
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value = resolveDirective(
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part,
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currentDirective._$resolve(part, value.values),
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currentDirective,
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attributeIndex
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)
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}
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return value
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}
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class TemplateInstance {
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constructor(template, parent) {
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@ -334,6 +299,7 @@ class TemplateInstance {
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node,
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templatePart.name,
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templatePart.strings,
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templatePart.decorates,
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this,
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options
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)
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@ -364,7 +330,7 @@ class TemplateInstance {
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for (let part of this._parts) {
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if (part !== void 0) {
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if (part.strings !== void 0) {
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part._$setValue(values, part, i)
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part._$setValue(values, i)
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i += part.strings.length - 2
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} else {
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part._$setValue(values[i])
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@ -403,15 +369,14 @@ class ChildPart {
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get endNode() {
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return this._$endNode
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}
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_$setValue(value, directiveParent = this) {
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value = resolveDirective(this, value, directiveParent)
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_$setValue(value) {
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if (isPrimitive(value)) {
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if (value === NOTHING || value == null || value === '') {
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if (this._$committedValue !== NOTHING) {
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this.#clear()
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}
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this._$committedValue = NOTHING
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} else if (value !== this._$committedValue && value !== NO_CHANGE) {
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} else if (value !== this._$committedValue) {
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this._commitText(value)
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}
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} else if (value['__dom_type__'] !== void 0) {
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@ -522,12 +487,13 @@ class ChildPart {
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}
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// 常规属性
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class AttributePart {
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constructor(element, name, strings, parent, options = {}) {
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constructor(element, name, strings, decorates, parent, options = {}) {
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this.type = ATTRIBUTE_PART
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this._$committedValue = NOTHING
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this._$disconnectableChildren = void 0
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this.element = element
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this.name = name
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this.decorates = decorates
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this._$parent = parent
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this.options = options
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if (strings.length > 2 || strings[0] !== '' || strings[1] !== '') {
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@ -544,15 +510,12 @@ class AttributePart {
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return this._$parent._$isConnected
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}
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_$setValue(value, directiveParent = this, valueIndex, noCommit) {
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_$setValue(value, valueIndex) {
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let strings = this.strings
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let change = false
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let changed = false
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if (strings === void 0) {
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value = resolveDirective(this, value, directiveParent, 0)
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change =
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!isPrimitive(value) ||
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(value !== this._$committedValue && value !== NO_CHANGE)
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if (change) {
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changed = !isPrimitive(value) || value !== this._$committedValue
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if (changed) {
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this._$committedValue = value
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}
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} else {
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@ -560,16 +523,9 @@ class AttributePart {
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value = strings[0]
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for (let i = 0; i < strings.length - 1; i++) {
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let v = resolveDirective(
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this,
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values[valueIndex + i],
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directiveParent,
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i
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)
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if (v === NO_CHANGE) {
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v = this._$committedValue[i]
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}
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change || (change = !isPrimitive(v) || v !== this._$committedValue[i])
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let v = values[valueIndex + i]
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changed || (changed = !isPrimitive(v) || v !== this._$committedValue[i])
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if (v === NOTHING) {
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value = NOTHING
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} else if (value !== NOTHING) {
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@ -578,7 +534,7 @@ class AttributePart {
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this._$committedValue[i] = v
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}
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}
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if (change && !noCommit) {
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if (changed) {
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this.commitValue(value)
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}
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}
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@ -638,57 +594,87 @@ class AnimPart extends AttributePart {
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// 事件属性
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class EventPart extends AttributePart {
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#listener = null
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#prevent = noop
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#stop = noop
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#checkSelf = noop
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constructor(...args) {
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super(...args)
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this.type = EVENT_PART
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}
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_$setValue(newListener, directiveParent = this) {
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newListener =
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resolveDirective(this, newListener, directiveParent, 0) || NOTHING
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if (newListener === NO_CHANGE) {
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return
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}
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_$setValue(listener) {
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let host = this.options.host
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let oldListener = this._$committedValue
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let shouldRemoveListener =
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(newListener === NOTHING && oldListener !== NOTHING) ||
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newListener.capture !== oldListener.capture ||
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newListener.once !== oldListener.once ||
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newListener.passive !== oldListener.passive
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let shouldAddListener =
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newListener !== NOTHING &&
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(oldListener === NOTHING || shouldRemoveListener)
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let options = {}
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if (shouldRemoveListener) {
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this.element.removeEventListener(this.name, this, oldListener)
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if (this.decorates.length) {
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for (let it of this.decorates) {
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switch (it) {
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case 'stop':
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this.#stop = ev => ev.stopPropagation()
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break
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case 'prevent':
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this.#prevent = ev => ev.preventDefault()
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break
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case 'self':
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this.#checkSelf = ev => ev.target === this.element
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break
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case 'capture':
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case 'once':
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case 'passive':
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options[it] = true
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break
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}
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if (shouldAddListener) {
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this.element.addEventListener(this.name, this, newListener)
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}
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this._$committedValue = newListener
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if (host) {
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}
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let shouldRemove = listener !== this.#listener
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if (this.#listener && host.$events[this.name]) {
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for (let it of host.$events[this.name]) {
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if (it.el === this.element) {
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shouldRemove =
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options.capture !== it.capture ||
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options.once !== it.once ||
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options.passive !== it.passive
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if (shouldRemove) {
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this.element.removeEventListener(this.name, it.listener, it.options)
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}
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break
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}
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}
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}
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if (listener && shouldRemove) {
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this.element.addEventListener(this.name, this, options)
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this.#listener = listener
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if (host.$events[this.name]) {
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host.$events[this.name].push({
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el: this.element,
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listener: this
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listener: this,
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options
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})
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} else {
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host.$events[this.name] = [
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{
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el: this.element,
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listener: this
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listener: this,
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options
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}
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]
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}
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}
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}
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handleEvent(event) {
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if (typeof this._$committedValue === 'function') {
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this._$committedValue.call(this.options.host || this.element, event)
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} else {
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this._$committedValue.handleEvent(event)
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handleEvent(ev) {
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this.#stop(ev)
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this.#prevent(ev)
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if (this.#checkSelf(ev) === false) {
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return
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}
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this.#listener.call(this.options.host, ev)
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}
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}
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@ -703,9 +689,7 @@ class ElementPart {
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get _$isConnected() {
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return this._$parent._$isConnected
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}
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_$setValue(value) {
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resolveDirective(this, value)
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}
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_$setValue(value) {}
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}
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export function render(value, container, options = {}) {
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