@txdfe/at/lib/toast/base/transition/motion.js

一个设计体系组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.motion = void 0;
var _attach = require("./attach");
var _util = require("../../../util");
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; } /* eslint-disable import/prefer-default-export */
var getStylePropertyValue = function getStylePropertyValue(decl, property) {
  return decl.getPropertyValue(property);
};
var configRE = /((?:\d?\.)?\d+(?:ms|s))\s([\s\S]+)/;
var parseConfig = function parseConfig(config) {
  var _config$match = config.match(configRE),
    _config$match2 = _slicedToArray(_config$match, 3),
    duration = _config$match2[1],
    easing = _config$match2[2];
  return {
    duration: duration,
    easing: easing
  };
};
var numberifyDuration = function numberifyDuration(duration) {
  if (/ms$/.test(duration)) {
    return parseFloat(duration.slice(0, -2));
  } else if (/s$/.test(duration)) {
    return parseFloat(duration.slice(0, -1)) * 1000;
  } else {
    throw new Error('Numberify duration failed.');
  }
};
var motion = exports.motion = function motion(config, initial, end, delay) {
  var duration;
  var easing;
  if (typeof config === 'number') {
    duration = config.toString();
  } else {
    var ret = parseConfig(config);
    duration = ret.duration;
    easing = ret.easing || 'ease';
  }
  if (duration == null) {
    throw new Error('transition duration should be specified.');
  }
  return function (el, callback) {
    var orginStyle = el.getAttribute('style');
    var currentStyle = {};
    var computedStyle = window.getComputedStyle(el);
    var transitionRule = [];
    var hiddenRule = '';
    for (var i in initial) {
      if (Object.prototype.hasOwnProperty.call(initial, i) && initial[i] != null) {
        var propertyName = _util.str.hyphenate(i);
        transitionRule.push("".concat(propertyName, " ").concat(duration, " ").concat(easing));
        currentStyle[i] = getStylePropertyValue(computedStyle, propertyName);
        if (i === 'height') {
          hiddenRule = hiddenRule || 'overflow: hidden;';
          el.style['overflow'] = 'hidden';
        }
        if (initial[i] === '*') {
          el.style[i] = currentStyle[i];
        } else {
          el.style[i] = initial[i];
        }
      }
    }

    // 强制触发重排以保证动画的执行
    _util.dom.forceReflow(el);
    var run = function run(motionToken) {
      el.style.cssText = "\n        ".concat(orginStyle, "; transition: ").concat(transitionRule.join(', '), "; ").concat(hiddenRule, "\n      ");
      for (var _i in end) {
        if (end.hasOwnProperty(_i) && end[_i] != null) {
          if (end[_i] === '*') {
            el.style[_i] = currentStyle[_i];
          } else {
            el.style[_i] = end[_i];
          }
        }
      }
      (0, _attach.attach)(el, orginStyle, numberifyDuration(duration), motionToken).then(function () {
        return callback();
      })["catch"](function (err) {
        if (!err.canceled) {
          callback();
        }
      });
      return function () {
        if (motionToken && _util.func.isFunction(motionToken.cancel)) {
          motionToken.cancel();
        }
      };
    };
    var token = Object.create(null);
    if (typeof delay === 'number') {
      var handler = null;
      var timeoutId = window.setTimeout(function () {
        handler = run(token);
      }, delay);
      return function () {
        if (!_util.func.isFunction(handler) && timeoutId) {
          window.clearTimeout(timeoutId);
        } else if (_util.func.isFunction(handler)) {
          handler();
        }
      };
    } else {
      return run(token);
    }
  };
};