meetup-web-mocks
Version:
Meetup Web Mocks
140 lines (99 loc) • 3.83 kB
JavaScript
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 _warning = require('warning');
var _warning2 = _interopRequireDefault(_warning);
var _invariant = require('invariant');
var _invariant2 = _interopRequireDefault(_invariant);
var _LocationUtils = require('./LocationUtils');
var _PathUtils = require('./PathUtils');
var _createHistory = require('./createHistory');
var _createHistory2 = _interopRequireDefault(_createHistory);
var _Actions = require('./Actions');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var createStateStorage = function createStateStorage(entries) {
return entries.filter(function (entry) {
return entry.state;
}).reduce(function (memo, entry) {
memo[entry.key] = entry.state;
return memo;
}, {});
};
var createMemoryHistory = function createMemoryHistory() {
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
if (Array.isArray(options)) {
options = { entries: options };
} else if (typeof options === 'string') {
options = { entries: [options] };
}
var getCurrentLocation = function getCurrentLocation() {
var entry = entries[current];
var path = (0, _PathUtils.createPath)(entry);
var key = void 0,
state = void 0;
if (entry.key) {
key = entry.key;
state = readState(key);
}
var init = (0, _PathUtils.parsePath)(path);
return (0, _LocationUtils.createLocation)(_extends({}, init, { state: state }), undefined, key);
};
var canGo = function canGo(n) {
var index = current + n;
return index >= 0 && index < entries.length;
};
var go = function go(n) {
if (!n) return;
if (!canGo(n)) {
process.env.NODE_ENV !== 'production' ? (0, _warning2.default)(false, 'Cannot go(%s) there is not enough history', n) : void 0;
return;
}
current += n;
var currentLocation = getCurrentLocation();
// Change action to POP
history.transitionTo(_extends({}, currentLocation, { action: _Actions.POP }));
};
var pushLocation = function pushLocation(location) {
current += 1;
if (current < entries.length) entries.splice(current);
entries.push(location);
saveState(location.key, location.state);
};
var replaceLocation = function replaceLocation(location) {
entries[current] = location;
saveState(location.key, location.state);
};
var history = (0, _createHistory2.default)(_extends({}, options, {
getCurrentLocation: getCurrentLocation,
pushLocation: pushLocation,
replaceLocation: replaceLocation,
go: go
}));
var _options = options;
var entries = _options.entries;
var current = _options.current;
if (typeof entries === 'string') {
entries = [entries];
} else if (!Array.isArray(entries)) {
entries = ['/'];
}
entries = entries.map(function (entry) {
return (0, _LocationUtils.createLocation)(entry);
});
if (current == null) {
current = entries.length - 1;
} else {
!(current >= 0 && current < entries.length) ? process.env.NODE_ENV !== 'production' ? (0, _invariant2.default)(false, 'Current index must be >= 0 and < %s, was %s', entries.length, current) : (0, _invariant2.default)(false) : void 0;
}
var storage = createStateStorage(entries);
var saveState = function saveState(key, state) {
return storage[key] = state;
};
var readState = function readState(key) {
return storage[key];
};
return _extends({}, history, {
canGo: canGo
});
};
exports.default = createMemoryHistory;
;