vue-router-view-transition
Version:
A transition wrapper for router-view that is compatible with scrollBehavior
153 lines (142 loc) • 6.59 kB
JavaScript
/*!
* vue-router-view-transition v0.0.1
* (c) 2019 Eduardo San Martin Morote
* @license MIT
*/
var VueRouterViewTransition = (function (exports) {
'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
function __awaiter(thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
}
function __generator(thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
}
var scrollWaiter = {
resolve: null,
promise: null,
add: function () {
var _this = this;
this.promise = new Promise(function (resolve) {
_this.resolve = resolve;
});
},
flush: function () {
this.resolve && this.resolve();
this.resolve = null;
this.promise = null;
},
wait: function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.promise];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
},
};
/**
* Wraps a scrollBehavior method to asynchronously await for the entering view to be visible. It requires you to use the `router-view-transition` component
* @param guard
*/
function waitForTransition(scrollBehavior) {
var _this = this;
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, scrollWaiter.wait()];
case 1:
_a.sent();
scrollBehavior.apply(void 0, args);
return [2 /*return*/];
}
});
});
};
}
var events = {
'': {},
'out-in': {
beforeEnter: function () { return scrollWaiter.flush(); },
beforeLeave: function () { return scrollWaiter.add(); },
},
'in-out': {},
};
var RouterViewTransition = {
functional: true,
props: {
transition: String,
view: String,
name: {
type: String,
default: 'default',
},
},
render: function (h, _a) {
var data = _a.data, props = _a.props;
// TODO: merge on events passed from data that can be added to transition
var attrs = data.attrs;
delete data.attrs;
var mode = attrs ? attrs.mode : '';
return h('transition', {
props: {
name: props.transition,
},
on: events[mode],
attrs: attrs,
}, [h('router-view', data)]);
},
};
exports.RouterViewTransition = RouterViewTransition;
exports.waitForTransition = waitForTransition;
return exports;
}({}));