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miniprogram_npm/@vant/weapp/picker/index.d.ts

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+export {};

miniprogram_npm/@vant/weapp/picker/index.js

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+"use strict";
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var component_1 = require("../common/component");
+var shared_1 = require("./shared");
+(0, component_1.VantComponent)({
+    classes: ['active-class', 'toolbar-class', 'column-class'],
+    props: __assign(__assign({}, shared_1.pickerProps), { valueKey: {
+            type: String,
+            value: 'text',
+        }, toolbarPosition: {
+            type: String,
+            value: 'top',
+        }, defaultIndex: {
+            type: Number,
+            value: 0,
+        }, columns: {
+            type: Array,
+            value: [],
+            observer: function (columns) {
+                if (columns === void 0) { columns = []; }
+                this.simple = columns.length && !columns[0].values;
+                if (Array.isArray(this.children) && this.children.length) {
+                    this.setColumns().catch(function () { });
+                }
+            },
+        } }),
+    beforeCreate: function () {
+        var _this = this;
+        Object.defineProperty(this, 'children', {
+            get: function () { return _this.selectAllComponents('.van-picker__column') || []; },
+        });
+    },
+    methods: {
+        noop: function () { },
+        setColumns: function () {
+            var _this = this;
+            var data = this.data;
+            var columns = this.simple ? [{ values: data.columns }] : data.columns;
+            var stack = columns.map(function (column, index) {
+                return _this.setColumnValues(index, column.values);
+            });
+            return Promise.all(stack);
+        },
+        emit: function (event) {
+            var type = event.currentTarget.dataset.type;
+            if (this.simple) {
+                this.$emit(type, {
+                    value: this.getColumnValue(0),
+                    index: this.getColumnIndex(0),
+                });
+            }
+            else {
+                this.$emit(type, {
+                    value: this.getValues(),
+                    index: this.getIndexes(),
+                });
+            }
+        },
+        onChange: function (event) {
+            if (this.simple) {
+                this.$emit('change', {
+                    picker: this,
+                    value: this.getColumnValue(0),
+                    index: this.getColumnIndex(0),
+                });
+            }
+            else {
+                this.$emit('change', {
+                    picker: this,
+                    value: this.getValues(),
+                    index: event.currentTarget.dataset.index,
+                });
+            }
+        },
+        // get column instance by index
+        getColumn: function (index) {
+            return this.children[index];
+        },
+        // get column value by index
+        getColumnValue: function (index) {
+            var column = this.getColumn(index);
+            return column && column.getValue();
+        },
+        // set column value by index
+        setColumnValue: function (index, value) {
+            var column = this.getColumn(index);
+            if (column == null) {
+                return Promise.reject(new Error('setColumnValue: 对应列不存在'));
+            }
+            return column.setValue(value);
+        },
+        // get column option index by column index
+        getColumnIndex: function (columnIndex) {
+            return (this.getColumn(columnIndex) || {}).data.currentIndex;
+        },
+        // set column option index by column index
+        setColumnIndex: function (columnIndex, optionIndex) {
+            var column = this.getColumn(columnIndex);
+            if (column == null) {
+                return Promise.reject(new Error('setColumnIndex: 对应列不存在'));
+            }
+            return column.setIndex(optionIndex);
+        },
+        // get options of column by index
+        getColumnValues: function (index) {
+            return (this.children[index] || {}).data.options;
+        },
+        // set options of column by index
+        setColumnValues: function (index, options, needReset) {
+            if (needReset === void 0) { needReset = true; }
+            var column = this.children[index];
+            if (column == null) {
+                return Promise.reject(new Error('setColumnValues: 对应列不存在'));
+            }
+            var isSame = JSON.stringify(column.data.options) === JSON.stringify(options);
+            if (isSame) {
+                return Promise.resolve();
+            }
+            return column.set({ options: options }).then(function () {
+                if (needReset) {
+                    column.setIndex(0);
+                }
+            });
+        },
+        // get values of all columns
+        getValues: function () {
+            return this.children.map(function (child) { return child.getValue(); });
+        },
+        // set values of all columns
+        setValues: function (values) {
+            var _this = this;
+            var stack = values.map(function (value, index) {
+                return _this.setColumnValue(index, value);
+            });
+            return Promise.all(stack);
+        },
+        // get indexes of all columns
+        getIndexes: function () {
+            return this.children.map(function (child) { return child.data.currentIndex; });
+        },
+        // set indexes of all columns
+        setIndexes: function (indexes) {
+            var _this = this;
+            var stack = indexes.map(function (optionIndex, columnIndex) {
+                return _this.setColumnIndex(columnIndex, optionIndex);
+            });
+            return Promise.all(stack);
+        },
+    },
+});

miniprogram_npm/@vant/weapp/picker/index.json

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+{
+  "component": true,
+  "usingComponents": {
+    "picker-column": "../picker-column/index",
+    "loading": "../loading/index"
+  }
+}

miniprogram_npm/@vant/weapp/picker/index.wxml

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+<wxs src="./index.wxs" module="computed" />
+
+<view class="van-picker custom-class">
+  <include wx:if="{{ toolbarPosition === 'top' }}" src="./toolbar.wxml" />
+
+  <view wx:if="{{ loading }}" class="van-picker__loading">
+    <loading color="#1989fa"/>
+  </view>
+
+  <view
+    class="van-picker__columns"
+    style="{{ computed.columnsStyle({ itemHeight, visibleItemCount }) }}"
+    catch:touchmove="noop"
+  >
+    <picker-column
+      class="van-picker__column"
+      wx:for="{{ computed.columns(columns) }}"
+      wx:key="index"
+      data-index="{{ index }}"
+      custom-class="column-class"
+      value-key="{{ valueKey }}"
+      initial-options="{{ item.values }}"
+      default-index="{{ item.defaultIndex || defaultIndex }}"
+      item-height="{{ itemHeight }}"
+      visible-item-count="{{ visibleItemCount }}"
+      active-class="active-class"
+      bind:change="onChange"
+    />
+    <view class="van-picker__mask" style="{{ computed.maskStyle({ itemHeight, visibleItemCount }) }}" />
+    <view
+      class="van-picker__frame van-hairline--top-bottom"
+      style="{{ computed.frameStyle({ itemHeight }) }}"
+    />
+  </view>
+
+  <include wx:if="{{ toolbarPosition === 'bottom' }}" src="./toolbar.wxml" />
+</view>

miniprogram_npm/@vant/weapp/picker/index.wxs

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+/* eslint-disable */
+var style = require('../wxs/style.wxs');
+var addUnit = require('../wxs/add-unit.wxs');
+var array = require('../wxs/array.wxs');
+
+function columnsStyle(data) {
+  return style({
+    height: addUnit(data.itemHeight * data.visibleItemCount),
+  });
+}
+
+function maskStyle(data) {
+  return style({
+    'background-size':
+      '100% ' + addUnit((data.itemHeight * (data.visibleItemCount - 1)) / 2),
+  });
+}
+
+function frameStyle(data) {
+  return style({
+    height: addUnit(data.itemHeight),
+  });
+}
+
+function columns(columns) {
+  if (!array.isArray(columns)) {
+    return [];
+  }
+
+  if (columns.length && !columns[0].values) {
+    return [{ values: columns }];
+  }
+
+  return columns;
+}
+
+module.exports = {
+  columnsStyle: columnsStyle,
+  frameStyle: frameStyle,
+  maskStyle: maskStyle,
+  columns: columns,
+};

miniprogram_npm/@vant/weapp/picker/index.wxss

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+@import '../common/index.wxss';.van-picker{-webkit-text-size-adjust:100%;background-color:var(--picker-background-color,#fff);overflow:hidden;position:relative;-webkit-user-select:none;user-select:none}.van-picker__toolbar{display:flex;height:var(--picker-toolbar-height,44px);justify-content:space-between;line-height:var(--picker-toolbar-height,44px)}.van-picker__cancel,.van-picker__confirm{font-size:var(--picker-action-font-size,14px);padding:var(--picker-action-padding,0 16px)}.van-picker__cancel--hover,.van-picker__confirm--hover{opacity:.7}.van-picker__confirm{color:var(--picker-confirm-action-color,#576b95)}.van-picker__cancel{color:var(--picker-cancel-action-color,#969799)}.van-picker__title{font-size:var(--picker-option-font-size,16px);font-weight:var(--font-weight-bold,500);max-width:50%;text-align:center}.van-picker__columns{display:flex;position:relative}.van-picker__column{flex:1 1;width:0}.van-picker__loading{align-items:center;background-color:var(--picker-loading-mask-color,hsla(0,0%,100%,.9));bottom:0;display:flex;justify-content:center;left:0;position:absolute;right:0;top:0;z-index:4}.van-picker__mask{-webkit-backface-visibility:hidden;backface-visibility:hidden;background-image:linear-gradient(180deg,hsla(0,0%,100%,.9),hsla(0,0%,100%,.4)),linear-gradient(0deg,hsla(0,0%,100%,.9),hsla(0,0%,100%,.4));background-position:top,bottom;background-repeat:no-repeat;height:100%;left:0;top:0;width:100%;z-index:2}.van-picker__frame,.van-picker__mask{pointer-events:none;position:absolute}.van-picker__frame{left:16px;right:16px;top:50%;transform:translateY(-50%);z-index:1}

miniprogram_npm/@vant/weapp/picker/shared.d.ts

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+export declare const pickerProps: {
+    title: StringConstructor;
+    loading: BooleanConstructor;
+    showToolbar: BooleanConstructor;
+    cancelButtonText: {
+        type: StringConstructor;
+        value: string;
+    };
+    confirmButtonText: {
+        type: StringConstructor;
+        value: string;
+    };
+    visibleItemCount: {
+        type: NumberConstructor;
+        value: number;
+    };
+    itemHeight: {
+        type: NumberConstructor;
+        value: number;
+    };
+};

miniprogram_npm/@vant/weapp/picker/shared.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.pickerProps = void 0;
+exports.pickerProps = {
+    title: String,
+    loading: Boolean,
+    showToolbar: Boolean,
+    cancelButtonText: {
+        type: String,
+        value: '取消',
+    },
+    confirmButtonText: {
+        type: String,
+        value: '确认',
+    },
+    visibleItemCount: {
+        type: Number,
+        value: 6,
+    },
+    itemHeight: {
+        type: Number,
+        value: 44,
+    },
+};

miniprogram_npm/@vant/weapp/picker/toolbar.wxml

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+<view wx:if="{{ showToolbar }}" class="van-picker__toolbar toolbar-class">
+  <view
+    class="van-picker__cancel"
+    hover-class="van-picker__cancel--hover"
+    hover-stay-time="70"
+    data-type="cancel"
+    bindtap="emit"
+  >
+    {{ cancelButtonText }}
+  </view>
+  <view wx:if="{{ title }}" class="van-picker__title van-ellipsis">{{
+    title
+  }}</view>
+  <view
+    class="van-picker__confirm"
+    hover-class="van-picker__confirm--hover"
+    hover-stay-time="70"
+    data-type="confirm"
+    bindtap="emit"
+  >
+    {{ confirmButtonText }}
+  </view>
+</view>