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