增加常用方法
parent
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commit
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@ -1,6 +1,6 @@
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{
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"name": "@ninejs/core",
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"version": "0.0.1",
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"version": "0.1.0",
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"type": "module",
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"description": "9号UI组件库的核心",
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"main": "dist/index.js",
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33
src/index.js
33
src/index.js
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@ -5,7 +5,30 @@
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*/
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import { css, adoptStyles } from './css.js'
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import { render, html, svg } from './html.js'
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export { html, css, svg }
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import {
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$,
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$$,
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nextTick,
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offset,
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bind,
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unbind,
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outsideClick,
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clearOutsideClick,
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fire
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} from './utils.js'
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export {
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html,
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css,
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svg,
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$,
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$$,
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nextTick,
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offset,
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bind,
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unbind,
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outsideClick,
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clearOutsideClick
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}
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var defaultConverter = {
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toAttribute(value, type) {
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@ -378,4 +401,12 @@ export class Component extends HTMLElement {
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}
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updated(_changedProperties) {}
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firstUpdated(_changedProperties) {}
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$on(type, callback) {
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return bind(this, type, callback)
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}
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$emit(type, data = {}) {
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return fire(this, type, data)
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}
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}
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@ -0,0 +1,155 @@
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/**
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* {常用方法库}
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* @author yutent<yutent.io@gmail.com>
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* @date 2023/03/07 22:11:30
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*/
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export function $(selector, container) {
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if (container) {
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return container.querySelector(selector)
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}
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return document.body.querySelector(selector)
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}
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export function $$(selector, container) {
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if (container) {
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return container.querySelectorsAll(selector)
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}
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return document.body.querySelectorsAll(selector)
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}
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export const nextTick = (function () {
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let queue = []
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let node = document.createTextNode('<!-- -->')
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let bool = false
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function callback() {
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let n = queue.length
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for (let i = 0; i < n; i++) {
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queue[i]()
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}
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queue = queue.slice(n)
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}
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new MutationObserver(callback).observe(node, { characterData: true })
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return function (fn) {
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queue.push(fn)
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bool = !bool
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node.data = bool
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}
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})()
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//取得距离页面左上角的坐标
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export function offset(node) {
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try {
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let rect = node.getBoundingClientRect()
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if (rect.width || rect.height || node.getClientRects().length) {
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let doc = node.ownerDocument
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let root = doc.documentElement
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let win = doc.defaultView
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return {
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top: rect.top + win.pageYOffset - root.clientTop,
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left: rect.left + win.pageXOffset - root.clientLeft
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}
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}
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} catch (e) {
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return {
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left: 0,
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top: 0
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}
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}
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}
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/**
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* 事件绑定
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*/
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export function bind(dom, type, selector, fn, phase = true) {
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let events = type.split(',')
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let callback
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if (typeof selector === 'function') {
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phase = fn
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fn = selector
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selector = null
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} else {
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if (typeof selector !== 'string') {
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selector = null
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}
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fn = fn || noop
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}
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if (selector) {
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callback = function (ev) {
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let agents = $(selector, ev.currentTarget)
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let elem = ev.target
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if (agents) {
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while (true) {
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if (elem === ev.currentTarget) {
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break
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}
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if (agents.contains(elem)) {
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fn(ev)
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break
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} else {
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elem = elem.parentNode
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}
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}
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}
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}
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} else {
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callback = fn
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}
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events.forEach(function (t) {
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dom.addEventListener(t.trim(), callback, phase)
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})
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return callback
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}
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/**
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* 解除事件绑定
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*/
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export function unbind(dom, type, fn = noop, phase = false) {
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let events = type.split(',')
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events.forEach(function (t) {
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dom.removeEventListener(t.trim(), fn, phase)
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})
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}
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// 指定节点外点击(最高不能超过body层)
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export function outsideClick(dom, fn = noop) {
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return bind(document, 'mousedown', ev => {
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let path = ev.composedPath ? ev.composedPath() : ev.path
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if (path) {
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while (path.length > 3) {
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if (path.shift() === dom) {
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return
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}
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}
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} else {
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let target = ev.explicitOriginalTarget || ev.target
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if (
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dom === target ||
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dom.contains(target) ||
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(dom.root && dom.root.contains(target))
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) {
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return
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}
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}
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fn(ev)
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})
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}
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export function clearOutsideClick(fn = noop) {
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unbind(document, 'mousedown', fn)
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}
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export function fire(el, name = 'click', data = {}) {
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let ev = document.createEvent('Events')
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ev.initEvent(name, true, true)
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Object.assign(ev, data)
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el.dispatchEvent(ev)
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}
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