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| 'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
// istanbul ignore next
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; Eif ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
exports.debug = debug;
// istanbul ignore next
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
// istanbul ignore next
function _toConsumableArray(arr) { Eif (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }
// istanbul ignore next
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
var _fluxLibInvariant = require('flux/lib/invariant');
var _fluxLibInvariant2 = _interopRequireDefault(_fluxLibInvariant);
var _flux = require('flux');
// @class Dis
// every app should have one central dispatcher
// all messages must go through this dispatcher
// all state changes happen synchronously with every message
var Dis = (function () {
function Dis() {
// istanbul ignore next
var _this = this;
_classCallCheck(this, Dis);
this.$ = new _flux.Dispatcher(); // we use the OG dispatcher under the hood
this.tokens = new WeakMap(); // store all the tokens returned by the dipatcher
['register', 'unregister', 'dispatch', 'waitFor', 'act'] // bind these functions, so you can pass them around
.forEach(function (fn) {
return _this[fn] = _this[fn].bind(_this);
});
}
_createClass(Dis, [{
key: 'register',
value: function register(initial) {
var reduce = arguments[1] === undefined ? function (o) {
return o;
} : arguments[1];
var compare = arguments[2] === undefined ? function (a, b) {
return a === b;
} : arguments[2];
var state = initial,
handlers = [];
var store = {
get: function get() {
return state;
},
subscribe: function subscribe() {
var opts = arguments[0] === undefined ? {} : arguments[0];
var immediate = arguments[1] === undefined ? true : arguments[1];
if (typeof opts === 'function') {
opts = { onNext: opts };
}
var onNext = opts.onNext || function (x) {
return x;
};
handlers.push(onNext);
// run it once to send initial value
if (immediate) {
onNext(state);
}
return {
dispose: function dispose() {
handlers = handlers.filter(function (x) {
return x !== onNext;
});
onNext = null;
}
};
}
};
this.tokens.set(store, this.$.register(function (payload) {
var prevState = state;
state = reduce.apply(undefined, [state, payload.action].concat(_toConsumableArray(payload.args))); // the only line worth anything in this library
if (state === undefined) {
console.warn('have you forgotten to return state?');
}
if (!compare(prevState, state)) {
handlers.forEach(function (fn) {
return fn(state, prevState);
});
}
prevState = null;
}));
return store;
}
}, {
key: 'unregister',
value: function unregister(store) {
(0, _fluxLibInvariant2['default'])(store, 'cannot unregister nothing');
(0, _fluxLibInvariant2['default'])(this.tokens.has(store), 'was not a registered store'); // should this be silent?
this.$.unregister(this.tokens.get(store));
this.tokens['delete'](store);
return this;
}
}, {
key: 'dispatch',
// synchronous message dispatch
value: function dispatch(action) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
(0, _fluxLibInvariant2['default'])(action, 'cannot dispatch a blank action');
this.$.dispatch({ action: action, args: args });
return this;
}
}, {
key: 'waitFor',
// beware, this is synchronous
value: function waitFor() {
// istanbul ignore next
var _this2 = this;
for (var _len2 = arguments.length, stores = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
stores[_key2] = arguments[_key2];
}
(0, _fluxLibInvariant2['default'])(stores.length > 0, 'cannot wait for no stores');
this.$.waitFor([].concat(_toConsumableArray(stores.map(function (store) {
return _this2.tokens.get(store);
}))));
return this;
}
}, {
key: 'act',
value: function act(map, prefix) {
// istanbul ignore next
var _this3 = this;
var o = {};
function str() {
for (var _len3 = arguments.length, k = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
k[_key3] = arguments[_key3];
}
return [prefix || '', '~'].concat(k).filter(function (x) {
return !!x;
}).join(':');
}
Object.keys(map).forEach(function (key) {
var fn = map[key] || function () {};
o[key] = function () {
for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
args[_key4] = arguments[_key4];
}
_this3.dispatch.apply(_this3, [o[key]].concat(args));
var p = fn.apply(undefined, args);
if (p instanceof Promise) {
p.then(function (res) {
return o[key].done(res);
})['catch'](function (err) {
return o[key].error(err);
});
}
return p;
};
o[key].toString = function () {
return str(key);
};
o[key].done = function () {
for (var _len5 = arguments.length, args = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
args[_key5] = arguments[_key5];
}
return _this3.dispatch.apply(_this3, [o[key].done].concat(args));
};
o[key].done.toString = function () {
return str(key, 'done');
};
o[key].error = function () {
for (var _len6 = arguments.length, args = Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
args[_key6] = arguments[_key6];
}
return _this3.dispatch.apply(_this3, [o[key].error].concat(args));
};
o[key].error.toString = function () {
return str(key, 'error');
};
});
return o;
}
// todo - .destroy();
}]);
return Dis;
})();
exports.Dis = Dis;
// outputs an array of actions on the object.
function debug(acts) {
return Object.keys(acts).map(function (x) {
return acts[x].toString();
});
}
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   // we use the OG dispatcher under the hood\n    this.tokens = new WeakMap();  // store all the tokens returned by the dipatcher\n    ['register', 'unregister', 'dispatch', 'waitFor', 'act'] // bind these functions, so you can pass them around\n      .forEach(fn => this[fn] = this[fn].bind(this));\n  }\n\n  register(initial, reduce = o => o, compare = (a, b) => a === b){\n    var state = initial, handlers = [];\n\n    const store = {\n      get: () => state,\n      subscribe: (opts = {}, immediate = true) => {\n        if(typeof opts === 'function'){\n          opts = {onNext: opts};\n        }\n        let onNext = opts.onNext || (x => x);\n        handlers.push(onNext);\n        // run it once to send initial value\n        if(immediate){\n          onNext(state);\n        }\n        return {\n          dispose() {\n            handlers = handlers.filter(x => x !== onNext);\n            onNext = null;\n          }\n        };\n      }\n    };\n\n    this.tokens.set(store,\n      this.$.register(payload => {\n        var prevState = state;\n        state = reduce(state, payload.action, ...payload.args); // the only line worth anything in this library\n        if(state === undefined){\n          console.warn('have you forgotten to return state?');\n        }\n        if(!compare(prevState, state)){\n          handlers.forEach(fn => fn(state, prevState));\n        }\n        prevState = null;\n      }));\n\n    return store;\n  }\n\n  unregister(store) {\n    invariant(store, 'cannot unregister nothing');\n    invariant(this.tokens.has(store), 'was not a registered store'); // should this be silent?\n    this.$.unregister(this.tokens.get(store));\n    this.tokens.delete(store);\n    return this;\n  }\n\n  // synchronous message dispatch\n  dispatch(action, ...args) {\n    invariant(action, 'cannot dispatch a blank action');\n    this.$.dispatch({ action, args });\n    return this;\n  }\n\n  // beware, this is synchronous\n  waitFor(...stores) {\n    invariant(stores.length > 0, 'cannot wait for no stores');\n    this.$.waitFor([...stores.map(store => this.tokens.get(store))]);\n    return this;\n  }\n\n  act(map, prefix){\n    let o = {};\n\n    function str(...k){\n      return [prefix || '', '~', ...k].filter(x => !!x).join(':');\n    }\n\n    Object.keys(map).forEach(key => {\n      let fn = map[key] || (() => {});\n      o[key] = (...args) => {\n        this.dispatch(o[key], ...args);\n        const p = fn(...args);\n        if(p instanceof Promise){\n          p.then(res => o[key].done(res)).catch(err => o[key].error(err));\n        }\n        return p;\n      };\n\n      o[key].toString = () => str(key);\n\n      o[key].done = (...args) => this.dispatch(o[key].done, ...args);\n      o[key].done.toString = () => str(key, 'done');\n\n      o[key].error = (...args) => this.dispatch(o[key].error, ...args);\n      o[key].error.toString = () => str(key, 'error');\n\n    });\n    return o;\n  }\n  // todo - .destroy();\n}\n\n\n// outputs an array of actions on the object.\nexport function debug(acts){\n  return Object.keys(acts).map(x => acts[x].toString());\n}\n"]} |