feat: 初始化

uni_modules/lime-shared/createImage/index.ts

@@ -0,0 +1,70 @@
+// @ts-nocheck
+// #ifndef APP-IOS || APP-ANDROID
+import {isBrowser} from '../isBrowser'
+class Image {
+	currentSrc: string | null = null
+	naturalHeight: number = 0
+	naturalWidth: number = 0
+	width: number = 0
+	height: number = 0
+	tagName: string = 'IMG'
+	path: string = ''
+	crossOrigin: string = ''
+	referrerPolicy: string = ''
+	onload: () => void = () => {}
+	onerror: () => void = () => {}
+	complete: boolean = false
+	constructor() {}
+	set src(src: string) {
+		console.log('src', src)
+		if(!src) {
+			return this.onerror()
+		}
+		src = src.replace(/^@\//,'/')
+		this.currentSrc = src
+		uni.getImageInfo({
+			src,
+			success: (res) => {
+				const localReg = /^\.|^\/(?=[^\/])/;
+				// #ifdef MP-WEIXIN || MP-BAIDU || MP-QQ || MP-TOUTIAO
+				res.path = localReg.test(src) ?  `/${res.path}` : res.path;
+				// #endif
+				this.complete = true
+				this.path = res.path
+				this.naturalWidth = this.width = res.width
+				this.naturalHeight = this.height = res.height
+				this.onload()
+			},
+			fail: () => {
+				this.onerror()
+			}
+		})
+	}
+	get src() {
+		return this.currentSrc
+	}
+}
+interface UniImage extends WechatMiniprogram.Image {
+	complete?: boolean
+	naturalHeight?: number
+	naturalWidth?: number
+}
+/** 创建用于 canvas 的 img */
+export function createImage(canvas?: any): HTMLImageElement | UniImage {
+	if(canvas && canvas.createImage) {
+		return (canvas as WechatMiniprogram.Canvas).createImage()
+	} else if(this && this['tagName'] == 'canvas' && !('toBlob' in this) || canvas && !('toBlob' in canvas)){
+		return new Image()
+	} else if(isBrowser) {
+		return new window.Image()
+	}
+	return new Image()
+}
+// #endif
+
+
+// #ifdef APP-IOS || APP-ANDROID
+export function createImage(){
+	console.error('当前环境不支持')
+}
+// #endif