werun-wxapp/miniprogram_npm/@vant/weapp/swipe-cell/index.js

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var component_1 = require('../common/component');
var touch_1 = require('../mixins/touch');
var utils_1 = require('../common/utils');
var THRESHOLD = 0.3;
var ARRAY = [];
component_1.VantComponent({
  props: {
    disabled: Boolean,
    leftWidth: {
      type: Number,
      value: 0,
      observer: function (leftWidth) {
        if (leftWidth === void 0) {
          leftWidth = 0;
        }
        if (this.offset > 0) {
          this.swipeMove(leftWidth);
        }
      },
    },
    rightWidth: {
      type: Number,
      value: 0,
      observer: function (rightWidth) {
        if (rightWidth === void 0) {
          rightWidth = 0;
        }
        if (this.offset < 0) {
          this.swipeMove(-rightWidth);
        }
      },
    },
    asyncClose: Boolean,
    name: {
      type: null,
      value: '',
    },
  },
  mixins: [touch_1.touch],
  data: {
    catchMove: false,
    wrapperStyle: '',
  },
  created: function () {
    this.offset = 0;
    ARRAY.push(this);
  },
  destroyed: function () {
    var _this = this;
    ARRAY = ARRAY.filter(function (item) {
      return item !== _this;
    });
  },
  methods: {
    open: function (position) {
      var _a = this.data,
        leftWidth = _a.leftWidth,
        rightWidth = _a.rightWidth;
      var offset = position === 'left' ? leftWidth : -rightWidth;
      this.swipeMove(offset);
      this.$emit('open', {
        position: position,
        name: this.data.name,
      });
    },
    close: function () {
      this.swipeMove(0);
    },
    swipeMove: function (offset) {
      if (offset === void 0) {
        offset = 0;
      }
      this.offset = utils_1.range(
        offset,
        -this.data.rightWidth,
        this.data.leftWidth
      );
      var transform = 'translate3d(' + this.offset + 'px, 0, 0)';
      var transition = this.dragging
        ? 'none'
        : 'transform .6s cubic-bezier(0.18, 0.89, 0.32, 1)';
      this.setData({
        wrapperStyle:
          '\n        -webkit-transform: ' +
          transform +
          ';\n        -webkit-transition: ' +
          transition +
          ';\n        transform: ' +
          transform +
          ';\n        transition: ' +
          transition +
          ';\n      ',
      });
    },
    swipeLeaveTransition: function () {
      var _a = this.data,
        leftWidth = _a.leftWidth,
        rightWidth = _a.rightWidth;
      var offset = this.offset;
      if (rightWidth > 0 && -offset > rightWidth * THRESHOLD) {
        this.open('right');
      } else if (leftWidth > 0 && offset > leftWidth * THRESHOLD) {
        this.open('left');
      } else {
        this.swipeMove(0);
      }
      this.setData({ catchMove: false });
    },
    startDrag: function (event) {
      if (this.data.disabled) {
        return;
      }
      this.startOffset = this.offset;
      this.touchStart(event);
    },
    noop: function () {},
    onDrag: function (event) {
      var _this = this;
      if (this.data.disabled) {
        return;
      }
      this.touchMove(event);
      if (this.direction !== 'horizontal') {
        return;
      }
      this.dragging = true;
      ARRAY.filter(function (item) {
        return item !== _this && item.offset !== 0;
      }).forEach(function (item) {
        return item.close();
      });
      this.setData({ catchMove: true });
      this.swipeMove(this.startOffset + this.deltaX);
    },
    endDrag: function () {
      if (this.data.disabled) {
        return;
      }
      this.dragging = false;
      this.swipeLeaveTransition();
    },
    onClick: function (event) {
      var _a = event.currentTarget.dataset.key,
        position = _a === void 0 ? 'outside' : _a;
      this.$emit('click', position);
      if (!this.offset) {
        return;
      }
      if (this.data.asyncClose) {
        this.$emit('close', {
          position: position,
          instance: this,
          name: this.data.name,
        });
      } else {
        this.swipeMove(0);
      }
    },
  },
});