Files
30-seconds-of-code/node_modules/@reach/router/lib/history.js
2019-08-20 15:52:05 +02:00

146 lines
4.6 KiB
JavaScript

"use strict";
exports.__esModule = true;
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
var getLocation = function getLocation(source) {
return _extends({}, source.location, {
state: source.history.state,
key: source.history.state && source.history.state.key || "initial"
});
};
var createHistory = function createHistory(source, options) {
var listeners = [];
var location = getLocation(source);
var transitioning = false;
var resolveTransition = function resolveTransition() {};
return {
get location() {
return location;
},
get transitioning() {
return transitioning;
},
_onTransitionComplete: function _onTransitionComplete() {
transitioning = false;
resolveTransition();
},
listen: function listen(listener) {
listeners.push(listener);
var popstateListener = function popstateListener() {
location = getLocation(source);
listener({ location: location, action: "POP" });
};
source.addEventListener("popstate", popstateListener);
return function () {
source.removeEventListener("popstate", popstateListener);
listeners = listeners.filter(function (fn) {
return fn !== listener;
});
};
},
navigate: function navigate(to) {
var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
state = _ref.state,
_ref$replace = _ref.replace,
replace = _ref$replace === undefined ? false : _ref$replace;
state = _extends({}, state, { key: Date.now() + "" });
// try...catch iOS Safari limits to 100 pushState calls
try {
if (transitioning || replace) {
source.history.replaceState(state, null, to);
} else {
source.history.pushState(state, null, to);
}
} catch (e) {
source.location[replace ? "replace" : "assign"](to);
}
location = getLocation(source);
transitioning = true;
var transition = new Promise(function (res) {
return resolveTransition = res;
});
listeners.forEach(function (listener) {
return listener({ location: location, action: "PUSH" });
});
return transition;
}
};
};
////////////////////////////////////////////////////////////////////////////////
// Stores history entries in memory for testing or other platforms like Native
var createMemorySource = function createMemorySource() {
var initialPathname = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "/";
var index = 0;
var stack = [{ pathname: initialPathname, search: "" }];
var states = [];
return {
get location() {
return stack[index];
},
addEventListener: function addEventListener(name, fn) {},
removeEventListener: function removeEventListener(name, fn) {},
history: {
get entries() {
return stack;
},
get index() {
return index;
},
get state() {
return states[index];
},
pushState: function pushState(state, _, uri) {
var _uri$split = uri.split("?"),
pathname = _uri$split[0],
_uri$split$ = _uri$split[1],
search = _uri$split$ === undefined ? "" : _uri$split$;
index++;
stack.push({ pathname: pathname, search: search });
states.push(state);
},
replaceState: function replaceState(state, _, uri) {
var _uri$split2 = uri.split("?"),
pathname = _uri$split2[0],
_uri$split2$ = _uri$split2[1],
search = _uri$split2$ === undefined ? "" : _uri$split2$;
stack[index] = { pathname: pathname, search: search };
states[index] = state;
}
}
};
};
////////////////////////////////////////////////////////////////////////////////
// global history - uses window.history as the source if available, otherwise a
// memory history
var canUseDOM = !!(typeof window !== "undefined" && window.document && window.document.createElement);
var getSource = function getSource() {
return canUseDOM ? window : createMemorySource();
};
var globalHistory = createHistory(getSource());
var navigate = globalHistory.navigate;
////////////////////////////////////////////////////////////////////////////////
exports.globalHistory = globalHistory;
exports.navigate = navigate;
exports.createHistory = createHistory;
exports.createMemorySource = createMemorySource;