utils.js
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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
exports.getCurrentPage = exports.toPromise = exports.groupSetData = exports.getAllRect = exports.getRect = exports.pickExclude = exports.requestAnimationFrame = exports.addUnit = exports.getSystemInfoSync = exports.nextTick = exports.range = void 0;
var validator_1 = require('./validator');
var version_1 = require('./version');
function range(num, min, max) {
return Math.min(Math.max(num, min), max);
}
exports.range = range;
function nextTick(cb) {
if (version_1.canIUseNextTick()) {
wx.nextTick(cb);
} else {
setTimeout(function () {
cb();
}, 1000 / 30);
}
}
exports.nextTick = nextTick;
var systemInfo;
function getSystemInfoSync() {
if (systemInfo == null) {
systemInfo = wx.getSystemInfoSync();
}
return systemInfo;
}
exports.getSystemInfoSync = getSystemInfoSync;
function addUnit(value) {
if (!validator_1.isDef(value)) {
return undefined;
}
value = String(value);
return validator_1.isNumber(value) ? value + 'px' : value;
}
exports.addUnit = addUnit;
function requestAnimationFrame(cb) {
var systemInfo = getSystemInfoSync();
if (systemInfo.platform === 'devtools') {
return setTimeout(function () {
cb();
}, 1000 / 30);
}
return wx
.createSelectorQuery()
.selectViewport()
.boundingClientRect()
.exec(function () {
cb();
});
}
exports.requestAnimationFrame = requestAnimationFrame;
function pickExclude(obj, keys) {
if (!validator_1.isPlainObject(obj)) {
return {};
}
return Object.keys(obj).reduce(function (prev, key) {
if (!keys.includes(key)) {
prev[key] = obj[key];
}
return prev;
}, {});
}
exports.pickExclude = pickExclude;
function getRect(context, selector) {
return new Promise(function (resolve) {
wx.createSelectorQuery()
.in(context)
.select(selector)
.boundingClientRect()
.exec(function (rect) {
if (rect === void 0) {
rect = [];
}
return resolve(rect[0]);
});
});
}
exports.getRect = getRect;
function getAllRect(context, selector) {
return new Promise(function (resolve) {
wx.createSelectorQuery()
.in(context)
.selectAll(selector)
.boundingClientRect()
.exec(function (rect) {
if (rect === void 0) {
rect = [];
}
return resolve(rect[0]);
});
});
}
exports.getAllRect = getAllRect;
function groupSetData(context, cb) {
if (version_1.canIUseGroupSetData()) {
context.groupSetData(cb);
} else {
cb();
}
}
exports.groupSetData = groupSetData;
function toPromise(promiseLike) {
if (validator_1.isPromise(promiseLike)) {
return promiseLike;
}
return Promise.resolve(promiseLike);
}
exports.toPromise = toPromise;
function getCurrentPage() {
var pages = getCurrentPages();
return pages[pages.length - 1];
}
exports.getCurrentPage = getCurrentPage;