60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
let systemInfo;
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export function getSystemInfoSync() {
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if (systemInfo == null) {
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systemInfo = wx.getSystemInfoSync();
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}
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return systemInfo;
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}
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function compareVersion(v1, v2) {
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v1 = v1.split('.');
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v2 = v2.split('.');
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const len = Math.max(v1.length, v2.length);
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while (v1.length < len) {
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v1.push('0');
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}
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while (v2.length < len) {
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v2.push('0');
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}
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for (let i = 0; i < len; i++) {
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const num1 = parseInt(v1[i], 10);
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const num2 = parseInt(v2[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) {
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const system = getSystemInfoSync();
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return compareVersion(system.SDKVersion, version) >= 0;
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}
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export function canIUseModel() {
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return gte('2.9.3');
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}
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export function canIUseFormFieldButton() {
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return gte('2.10.3');
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}
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export function canIUseAnimate() {
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return gte('2.9.0');
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}
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export function canIUseGroupSetData() {
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return gte('2.4.0');
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}
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export function canIUseNextTick() {
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try {
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return wx.canIUse('nextTick');
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}
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catch (e) {
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return gte('2.7.1');
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}
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}
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export function canIUseCanvas2d() {
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return gte('2.9.0');
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}
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export function canIUseGetUserProfile() {
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return !!wx.getUserProfile;
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}
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