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2024-03-15 17:20:54 +08:00
parent b9335b4ff8
commit 633cff358d
1423 changed files with 35817 additions and 19 deletions
--- a/miniprogram_npm/@vant/weapp/count-down/index.js
+++ b/miniprogram_npm/@vant/weapp/count-down/index.js
@@ -0,0 +1,104 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var component_1 = require("../common/component");
+var utils_1 = require("./utils");
+function simpleTick(fn) {
+    return setTimeout(fn, 30);
+}
+(0, component_1.VantComponent)({
+    props: {
+        useSlot: Boolean,
+        millisecond: Boolean,
+        time: {
+            type: Number,
+            observer: 'reset',
+        },
+        format: {
+            type: String,
+            value: 'HH:mm:ss',
+        },
+        autoStart: {
+            type: Boolean,
+            value: true,
+        },
+    },
+    data: {
+        timeData: (0, utils_1.parseTimeData)(0),
+        formattedTime: '0',
+    },
+    destroyed: function () {
+        clearTimeout(this.tid);
+        this.tid = null;
+    },
+    methods: {
+        // 开始
+        start: function () {
+            if (this.counting) {
+                return;
+            }
+            this.counting = true;
+            this.endTime = Date.now() + this.remain;
+            this.tick();
+        },
+        // 暂停
+        pause: function () {
+            this.counting = false;
+            clearTimeout(this.tid);
+        },
+        // 重置
+        reset: function () {
+            this.pause();
+            this.remain = this.data.time;
+            this.setRemain(this.remain);
+            if (this.data.autoStart) {
+                this.start();
+            }
+        },
+        tick: function () {
+            if (this.data.millisecond) {
+                this.microTick();
+            }
+            else {
+                this.macroTick();
+            }
+        },
+        microTick: function () {
+            var _this = this;
+            this.tid = simpleTick(function () {
+                _this.setRemain(_this.getRemain());
+                if (_this.remain !== 0) {
+                    _this.microTick();
+                }
+            });
+        },
+        macroTick: function () {
+            var _this = this;
+            this.tid = simpleTick(function () {
+                var remain = _this.getRemain();
+                if (!(0, utils_1.isSameSecond)(remain, _this.remain) || remain === 0) {
+                    _this.setRemain(remain);
+                }
+                if (_this.remain !== 0) {
+                    _this.macroTick();
+                }
+            });
+        },
+        getRemain: function () {
+            return Math.max(this.endTime - Date.now(), 0);
+        },
+        setRemain: function (remain) {
+            this.remain = remain;
+            var timeData = (0, utils_1.parseTimeData)(remain);
+            if (this.data.useSlot) {
+                this.$emit('change', timeData);
+            }
+            this.setData({
+                formattedTime: (0, utils_1.parseFormat)(this.data.format, timeData),
+            });
+            if (remain === 0) {
+                this.pause();
+                this.$emit('finish');
+            }
+        },
+    },
+});