feat: 初始化

uni_modules/lime-shared/canIUseCanvas2d/index.ts

@@ -0,0 +1,67 @@
+// @ts-nocheck
+
+// #ifndef APP-IOS || APP-ANDROID
+
+// #ifdef MP-ALIPAY
+interface My {
+	SDKVersion: string
+}
+declare var my: My
+// #endif
+
+function compareVersion(v1:string, v2:string) {
+  let a1 = v1.split('.');
+  let a2 = v2.split('.');
+  const len = Math.max(a1.length, a2.length);
+
+  while (a1.length < len) {
+    a1.push('0');
+  }
+  while (a2.length < len) {
+    a2.push('0');
+  }
+
+  for (let i = 0; i < len; i++) {
+    const num1 = parseInt(a1[i], 10);
+    const num2 = parseInt(a2[i], 10);
+
+    if (num1 > num2) {
+      return 1;
+    }
+    if (num1 < num2) {
+      return -1;
+    }
+  }
+
+  return 0;
+}
+
+function gte(version: string) {
+	let {SDKVersion} = uni.getSystemInfoSync();
+	// #ifdef MP-ALIPAY
+	SDKVersion = my.SDKVersion
+	// #endif
+	return compareVersion(SDKVersion, version) >= 0;
+}
+// #endif
+
+
+/** 环境是否支持canvas 2d */
+export function canIUseCanvas2d(): boolean {
+	// #ifdef MP-WEIXIN
+	return gte('2.9.0');
+	// #endif
+	// #ifdef MP-ALIPAY
+	return gte('2.7.0');
+	// #endif
+	// #ifdef MP-TOUTIAO
+	return gte('1.78.0');
+	// #endif
+	// #ifndef MP-WEIXIN || MP-ALIPAY || MP-TOUTIAO
+	return false
+	// #endif
+	
+	// #ifdef APP-IOS || APP-ANDROID || APP-NVUE || APP-VUE
+	return false;
+	// #endif
+}