@tarojs/components
Version:
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JavaScript
import { proxyCustomElement, HTMLElement, createEvent, h, Host } from '@stencil/core/internal/client';
import { c as classnames } from './index2.js';
import { T as TOP, L as LINE_HEIGHT, d as defineCustomElement$2 } from './picker-group.js';
function getTimeRange(begin, end) {
const range = [];
for (let i = begin; i <= end; i++) {
range.push(`${i < 10 ? '0' : ''}${i}`);
}
return range;
}
const hoursRange = [
'20',
'21',
'22',
'23',
...getTimeRange(0, 23),
'00',
'01',
'02',
'03'
];
const minutesRange = [
'56',
'57',
'58',
'59',
...getTimeRange(0, 59),
'00',
'01',
'02',
'03'
];
/**
* 校验传入的 value 是否合法
*/
function verifyValue(value, range) {
if (!isNaN(+value) && value >= 0 && value < range.length)
return true;
return false;
}
/**
* 检验传入的 time value 是否合法
*/
function verifyTime(value) {
if (!/^\d{1,2}:\d{1,2}$/.test(value))
return false;
const time = value.split(':').map(num => +num);
if (time[0] < 0 || time[0] > 23)
return false;
if (time[1] < 0 || time[1] > 59)
return false;
return true;
}
/**
* 比较时间
* return t1 <= t2
*/
function compareTime(t1, t2) {
const t1List = t1.split(':').map(i => +i);
const t2List = t2.split(':').map(i => +i);
if (t1List[0] < t2List[0])
return true;
if (t1List[0] === t2List[0] && t1List[1] <= t2List[1])
return true;
return false;
}
/**
* 校验日期合法性，返回合法性和日期数组
*/
function verifyDate(dateStr) {
if (!dateStr)
return false;
const date = new Date(dateStr.replace(/-/g, '/'));
return isNaN(date.getMonth()) ? false : date;
}
/**
* 获取当月最大天数
*/
function getMaxDay(year, month) {
if (month === 4 || month === 6 || month === 9 || month === 11)
return 30;
if (month === 2) {
if ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0)
return 29;
else
return 28;
}
return 31;
}
function formatValue(value) {
let res;
if (Array.isArray(value)) {
res = value.map(item => String(item));
}
else {
res = value;
}
return res;
}
/**
* 获取时间数组
*/
function getDateRange(start, end) {
const range = [];
for (let i = start; i <= end; i++) {
range.push(i);
}
return range;
}
/**
* 获取年份区间数组
*/
function getYearRange(start, end) {
return getDateRange(start, end);
}
/**
* 获取月份区间数组
*/
function getMonthRange(start, end, year) {
let rangeStart = 1;
let rangeEnd = 12;
// 当前年份等于开始年份，由开始对应的月份约束开始值
if (start.getFullYear() === year) {
rangeStart = start.getMonth() + 1;
}
// 当前年份等于结束年份，由结束对应的月份约束结束值
if (end.getFullYear() === year) {
rangeEnd = end.getMonth() + 1;
}
return getDateRange(rangeStart, rangeEnd);
}
/**
* 获取日期区间数组
*/
function getDayRange(start, end, year, month) {
let rangeStart = 1;
let rangeEnd = getMaxDay(year, month);
if (start.getFullYear() === year && start.getMonth() + 1 === month) {
rangeStart = start.getDate();
}
if (end.getFullYear() === year && end.getMonth() + 1 === month) {
rangeEnd = end.getDate();
}
return getDateRange(rangeStart, rangeEnd);
}
const indexCss = ".weui-mask{z-index:1000;background:rgba(0,0,0,.6);position:fixed;inset:0}.weui-mask_transparent{z-index:1000;position:fixed;inset:0}@keyframes weuiSlideUp{0%{transform:translateY(100%)}to{transform:translate(0,0)}}.weui-animate-slide-up{animation:.3s forwards weuiSlideUp}@keyframes weuiSlideDown{0%{transform:translate(0,0)}to{transform:translateY(100%)}}.weui-animate-slide-down{animation:.3s forwards weuiSlideDown}@keyframes weuiFadeIn{0%{opacity:0}to{opacity:1}}.weui-animate-fade-in{animation:.3s forwards weuiFadeIn}@keyframes weuiFadeOut{0%{opacity:1}to{opacity:0}}.weui-animate-fade-out{animation:.3s forwards weuiFadeOut}.weui-picker{box-sizing:border-box;z-index:5000;background-color:var(--weui-BG-2);padding-left:0;padding-left:constant(safe-area-inset-left);padding-left:env(safe-area-inset-left);padding-right:0;padding-right:constant(safe-area-inset-right);padding-right:env(safe-area-inset-right);backface-visibility:hidden;width:100%;transition:transform .3s;position:fixed;bottom:0;left:0;transform:translateY(100%)}.weui-picker__hd{text-align:center;background-color:#fff;padding:9px 15px;font-size:17px;display:flex;position:relative}.weui-picker__hd:after{content:\" \";color:#e5e5e5;transform-origin:0 100%;border-bottom:1px solid #e5e5e5;height:1px;position:absolute;bottom:0;left:0;right:0;transform:scaleY(.5)}.weui-picker__action{color:#1aad19;flex:1;display:block}.weui-picker__action:first-child{text-align:left;color:#888}.weui-picker__action:last-child{text-align:right}.weui-picker__bd{background-color:#fff;height:238px;display:flex;position:relative;overflow:hidden}.weui-picker__group{flex:1;height:100%;position:relative}.weui-picker__mask{z-index:3;background-color:transparent;background-image:linear-gradient(rgba(255,255,255,.95),rgba(255,255,255,.6)),linear-gradient(rgba(255,255,255,.6),rgba(255,255,255,.95));background-position:top,bottom;background-repeat:no-repeat;background-size:100% 102px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;width:100%;height:100%;margin:0 auto;position:absolute;top:0;left:0;transform:translateZ(0)}.weui-picker__indicator{z-index:3;width:100%;height:34px;position:absolute;top:102px;left:0}.weui-picker__indicator:before{content:\" \";color:#e5e5e5;transform-origin:0 0;border-top:1px solid #e5e5e5;height:1px;position:absolute;top:0;left:0;right:0;transform:scaleY(.5)}.weui-picker__indicator:after{content:\" \";color:#e5e5e5;transform-origin:0 100%;border-bottom:1px solid #e5e5e5;height:1px;position:absolute;bottom:0;left:0;right:0;transform:scaleY(.5)}.weui-picker__content{width:100%;position:absolute;top:0;left:0}.weui-picker__item{text-align:center;color:#000;text-overflow:ellipsis;white-space:nowrap;height:34px;padding:0;line-height:34px;overflow:hidden}.weui-picker__item_disabled{color:#999}.weui-picker,.weui-picker__hd{font-size:12px}";
const Picker = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
constructor() {
super();
this.__registerHost();
this.onChange = createEvent(this, "change", 7);
this.onColumnChange = createEvent(this, "columnchange", 7);
this.onCancel = createEvent(this, "cancel", 7);
this.index = [];
// 展示 Picker
this.showPicker = () => {
if (this.disabled)
return;
this.height = this.getHeightByIndex();
this.hidden = false;
};
this.getHeightByIndex = () => {
const height = this.index.map(i => {
let factor = 0;
if (this.mode === 'time') {
factor = LINE_HEIGHT * 4;
}
return TOP - LINE_HEIGHT * i - factor;
});
return height;
};
// 隐藏 picker
this.hidePicker = () => {
this.fadeOut = true;
setTimeout(() => {
this.hidden = true;
this.fadeOut = false;
}, 350);
};
// 点击确定按钮
this.handleChange = () => {
this.hidePicker();
this.index = this.height.map(h => (TOP - h) / LINE_HEIGHT);
let value = this.index.length && this.mode !== 'selector'
? this.index
: this.index[0];
if (this.mode === 'time') {
const range = [hoursRange.slice(), minutesRange.slice()];
const timeArr = this.index.map((n, i) => range[i][n]);
this.index = timeArr.map(item => parseInt(item));
value = timeArr.join(':');
}
if (this.mode === 'date') {
const { _start, _end, _updateValue } = this.pickerDate;
const currentYear = _updateValue[0];
const currentMonth = _updateValue[1];
const yearRange = getYearRange(_start.getFullYear(), _end.getFullYear());
const monthRange = getMonthRange(_start, _end, currentYear);
const dayRange = getDayRange(_start, _end, currentYear, currentMonth);
const year = yearRange[this.index[0]];
const month = monthRange[this.index[1]];
const day = dayRange[this.index[2]];
if (this.fields === 'year') {
value = [year];
}
else if (this.fields === 'month') {
value = [year, month];
}
else {
value = [year, month, day];
}
value = value
.map(item => {
return item < 10 ? `0${item}` : item;
})
.join('-');
}
this.value = value;
this.pickerValue = this.value;
this.onChange.emit({
value
});
};
this.handleColumnChange = (e) => {
const { columnId, height } = e.detail;
this.onColumnChange.emit({
column: Number(columnId),
value: (TOP - height) / LINE_HEIGHT
});
};
// 点击取消按钮或蒙层
this.handleCancel = () => {
this.hidePicker();
this.onCancel.emit();
};
this.updateHeight = (height, columnId, needRevise = false) => {
const temp = [...this.height];
temp[columnId] = height;
this.height = temp;
// time picker 必须在规定时间范围内，因此需要在 touchEnd 做修正
if (needRevise) {
let { start, end } = this;
if (!verifyTime(start))
start = '00:00';
if (!verifyTime(end))
end = '23:59';
if (!compareTime(start, end))
return;
const range = [hoursRange.slice(), minutesRange.slice()];
const timeList = this.height.map(h => (TOP - h) / LINE_HEIGHT);
const timeStr = timeList.map((n, i) => range[i][n]).join(':');
if (!compareTime(start, timeStr)) {
// 修正到 start
const height = start
.split(':')
.map(i => TOP - LINE_HEIGHT * (+i + 4));
requestAnimationFrame(() => (this.height = height));
}
else if (!compareTime(timeStr, end)) {
// 修正到 end
const height = end
.split(':')
.map(i => TOP - LINE_HEIGHT * (+i + 4));
requestAnimationFrame(() => (this.height = height));
}
}
};
this.updateDay = (value, fields) => {
const { _start, _end, _updateValue } = this.pickerDate;
_updateValue[fields] = value;
const currentYear = _updateValue[0];
const currentMonth = _updateValue[1];
const currentDay = _updateValue[2];
// 滚动年份
if (fields === 0) {
const monthRange = getMonthRange(_start, _end, currentYear);
const max = monthRange[monthRange.length - 1];
const min = monthRange[0];
if (currentMonth > max)
_updateValue[1] = max;
if (currentMonth < min)
_updateValue[1] = min;
const index = monthRange.indexOf(_updateValue[1]);
const height = TOP - LINE_HEIGHT * index;
this.updateDay(_updateValue[1], 1);
this.updateHeight(height, '1');
}
else if (fields === 1) {
const dayRange = getDayRange(_start, _end, currentYear, currentMonth);
const max = dayRange[dayRange.length - 1];
const min = dayRange[0];
if (currentDay > max)
_updateValue[2] = max;
if (currentDay < min)
_updateValue[2] = min;
const index = dayRange.indexOf(_updateValue[2]);
const height = TOP - LINE_HEIGHT * index;
this.updateDay(_updateValue[2], 2);
this.updateHeight(height, '2');
}
};
// 单列选择器
this.getSelector = () => {
return (h("taro-picker-group", { range: this.range, rangeKey: this.rangeKey, height: this.height[0], updateHeight: this.updateHeight, columnId: '0' }));
};
// 多列选择器
this.getMultiSelector = () => {
return this.range.map((range, index) => {
return (h("taro-picker-group", { range: range, rangeKey: this.rangeKey, height: this.height[index], updateHeight: this.updateHeight, onColumnChange: this.handleColumnChange, columnId: String(index) }));
});
};
// 时间选择器
this.getTimeSelector = () => {
const hourRange = hoursRange.slice();
const minRange = minutesRange.slice();
return [
h("taro-picker-group", { mode: 'time', range: hourRange, height: this.height[0], updateHeight: this.updateHeight, columnId: '0' }),
h("taro-picker-group", { mode: 'time', range: minRange, height: this.height[1], updateHeight: this.updateHeight, columnId: '1' })
];
};
// 日期选择器
this.getDateSelector = () => {
const { fields, height } = this;
const { _start, _end, _updateValue } = this.pickerDate;
const currentYear = _updateValue[0];
const currentMonth = _updateValue[1];
const yearRange = getYearRange(_start.getFullYear(), _end.getFullYear())
.map(item => `${item}年`);
const monthRange = getMonthRange(_start, _end, currentYear)
.map(item => `${item < 10 ? `0${item}` : item}月`);
const dayRange = getDayRange(_start, _end, currentYear, currentMonth)
.map(item => `${item < 10 ? `0${item}` : item}日`);
const renderView = [
h("taro-picker-group", { mode: 'date', range: yearRange, height: height[0], updateDay: this.updateDay, updateHeight: this.updateHeight, columnId: '0' })
];
if (fields === 'month' || fields === 'day') {
renderView.push(h("taro-picker-group", { mode: 'date', range: monthRange, height: height[1], updateDay: this.updateDay, updateHeight: this.updateHeight, columnId: '1' }));
}
if (fields === 'day') {
renderView.push(h("taro-picker-group", { mode: 'date', range: dayRange, height: height[2], updateDay: this.updateDay, updateHeight: this.updateHeight, columnId: '2' }));
}
return renderView;
};
this.mode = 'selector';
this.disabled = false;
this.range = [];
this.rangeKey = undefined;
this.value = undefined;
this.start = '';
this.end = '';
this.fields = 'day';
this.name = '';
this.textProps = {};
this.pickerValue = [];
this.height = [];
this.hidden = true;
this.fadeOut = false;
this.isWillLoadCalled = false;
}
componentWillLoad() {
this.isWillLoadCalled = true;
this.handleProps();
}
componentDidLoad() {
if (this.overlay) {
document.body.appendChild(this.overlay);
}
}
disconnectedCallback() {
var _a;
if (this.overlay) {
(_a = this.overlay.parentNode) === null || _a === void 0 ? void 0 : _a.removeChild(this.overlay);
}
}
onPropsChange() {
if (!this.isWillLoadCalled)
return;
this.handleProps();
}
handleProps() {
const { mode, start, end } = this;
if (mode === 'selector') {
const value = this.value;
this.index = [verifyValue(value, this.range) ? Math.floor(value) : 0];
}
else if (mode === 'multiSelector') {
const value = this.value;
this.index = [];
this.range.forEach((range, index) => {
const val = value === null || value === void 0 ? void 0 : value[index];
const item = verifyValue(val, range) ? Math.floor(val) : 0;
this.index.push(item);
});
}
else if (mode === 'time') {
let value = this.value;
// check value...
if (!verifyTime(value)) {
console.warn('time picker value illegal');
value = '0:0';
}
const time = value.split(':').map(n => +n);
this.index = time;
}
else if (mode === 'date') {
const value = this.value;
let _value = verifyDate(value) || new Date(new Date().setHours(0, 0, 0, 0)); // 没传值或值的合法性错误默认今天时间
const _start = verifyDate(start) || new Date('1970/01/01');
const _end = verifyDate(end) || new Date('2999/01/01');
// 时间区间有效性
if (!(_start <= _end)) {
throw new Error(`Picker start time must be less than end time.`);
}
if (!(_value >= _start && _value <= _end)) {
_value = _start;
}
const currentYear = _value.getFullYear();
const currentMonth = _value.getMonth() + 1;
const currentDay = _value.getDate();
const yearRange = getYearRange(_start.getFullYear(), _end.getFullYear());
const monthRange = getMonthRange(_start, _end, currentYear);
const dayRange = getDayRange(_start, _end, currentYear, currentMonth);
this.index = [
yearRange.indexOf(currentYear),
monthRange.indexOf(currentMonth),
dayRange.indexOf(currentDay)
];
if (!this.pickerDate ||
this.pickerDate._value.getTime() !== _value.getTime() ||
this.pickerDate._start.getTime() !== _start.getTime() ||
this.pickerDate._end.getTime() !== _end.getTime()) {
this.pickerDate = {
_value,
_start,
_end,
_updateValue: [
currentYear,
currentMonth,
currentDay
]
};
}
}
else {
throw new Error(`Picker not support "${mode}" mode.`);
}
// Prop 变化时，无论是否正在显示弹层，都更新 height 值
this.height = this.getHeightByIndex();
// 同步表单 value 值，用于 form submit
this.pickerValue = this.value;
if (mode === 'date') {
const val = this.pickerValue;
if (this.fields === 'month') {
this.pickerValue = val.split('-').slice(0, 2).join('-');
}
else if (this.fields === 'year') {
this.pickerValue = val.split('-')[0];
}
}
}
render() {
var _a, _b;
const { name, mode, fadeOut, hidden } = this;
// 选项条
let pickerGroup;
switch (mode) {
case 'multiSelector':
pickerGroup = this.getMultiSelector();
break;
case 'time':
pickerGroup = this.getTimeSelector();
break;
case 'date':
pickerGroup = this.getDateSelector();
break;
default:
pickerGroup = this.getSelector();
}
// 动画类名控制逻辑
const clsMask = classnames('weui-mask', 'weui-animate-fade-in', {
'weui-animate-fade-out': fadeOut
});
const clsSlider = classnames('weui-picker', 'weui-animate-slide-up', {
'weui-animate-slide-down': fadeOut
});
const shouldDivHidden = hidden ? { display: 'none' } : {};
return (h(Host, null, h("div", { onClick: this.showPicker }, h("slot", null), h("input", { type: 'hidden', name: name, value: formatValue(this.pickerValue) })), h("div", { class: 'weui-picker__overlay', style: shouldDivHidden, ref: el => { this.overlay = el; } }, h("div", { class: clsMask, onClick: this.handleCancel }), h("div", { class: clsSlider }, h("div", { class: 'weui-picker__hd' }, h("div", { class: 'weui-picker__action', onClick: this.handleCancel }, (_a = this.textProps.cancelText) !== null && _a !== void 0 ? _a : '取消'), h("div", { class: 'weui-picker__action', onClick: this.handleChange }, (_b = this.textProps.okText) !== null && _b !== void 0 ? _b : '确定')), h("div", { class: 'weui-picker__bd' }, pickerGroup), h("input", { type: 'hidden', name: name, value: formatValue(this.pickerValue) })))));
}
get el() { return this; }
static get watchers() { return {
"mode": ["onPropsChange"],
"value": ["onPropsChange"],
"range": ["onPropsChange"],
"start": ["onPropsChange"],
"end": ["onPropsChange"]
}; }
static get style() { return indexCss; }
}, [4, "taro-picker-core", {
"mode": [1],
"disabled": [4],
"range": [16],
"rangeKey": [1, "range-key"],
"value": [1032],
"start": [1],
"end": [1],
"fields": [1],
"name": [1],
"textProps": [16],
"pickerValue": [32],
"height": [32],
"hidden": [32],
"fadeOut": [32],
"isWillLoadCalled": [32]
}]);
function defineCustomElement$1() {
if (typeof customElements === "undefined") {
return;
}
const components = ["taro-picker-core", "taro-picker-group"];
components.forEach(tagName => { switch (tagName) {
case "taro-picker-core":
if (!customElements.get(tagName)) {
customElements.define(tagName, Picker);
}
break;
case "taro-picker-group":
if (!customElements.get(tagName)) {
defineCustomElement$2();
}
break;
} });
}
const TaroPickerCore = Picker;
const defineCustomElement = defineCustomElement$1;
export { TaroPickerCore, defineCustomElement };