redux-logic
Version:
Redux middleware for organizing all your business logic. Intercept actions and perform async processing.
228 lines (186 loc) • 8.64 kB
JavaScript
import "core-js/modules/es.symbol";
import "core-js/modules/es.symbol.description";
import "core-js/modules/es.symbol.iterator";
import "core-js/modules/es.array.filter";
import "core-js/modules/es.array.for-each";
import "core-js/modules/es.array.from";
import "core-js/modules/es.array.iterator";
import "core-js/modules/es.array.slice";
import "core-js/modules/es.function.name";
import "core-js/modules/es.object.get-own-property-descriptor";
import "core-js/modules/es.object.get-own-property-descriptors";
import "core-js/modules/es.object.keys";
import "core-js/modules/es.object.to-string";
import "core-js/modules/es.regexp.to-string";
import "core-js/modules/es.string.iterator";
import "core-js/modules/web.dom-collections.for-each";
import "core-js/modules/web.dom-collections.iterator";
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
import { Observable } from 'rxjs';
import { take, takeUntil } from 'rxjs/operators';
import { identityFn, wrapActionForIntercept } from './utils';
import createDepObject from './createDepObject';
import execProcessFn from './execProcessFn';
import createDispatch from './createDispatch';
import createCancelled$ from './createCancelled$';
var debug = function debug()
/* ...args */
{};
export default function createLogicAction$(_ref) {
var _Observable$create;
var action = _ref.action,
logic = _ref.logic,
store = _ref.store,
deps = _ref.deps,
cancel$ = _ref.cancel$,
monitor$ = _ref.monitor$,
action$ = _ref.action$;
var getState = store.getState;
var name = logic.name,
processFn = logic.process,
dispatchReturn = logic.processOptions.dispatchReturn;
var intercept = logic.validate || logic.transform; // aliases
debug('createLogicAction$', name, action);
monitor$.next({
action: action,
name: name,
op: 'begin'
}); // also in logicWrapper
var logicActionOps = [cancel$ ? takeUntil(cancel$) : null, // only takeUntil if cancel or latest
take(1)].filter(identityFn); // logicAction$ is used for the mw next(action) call
var logicAction$ = (_Observable$create = Observable.create(function (logicActionObs) {
// create notification subject for process which we dispose of
// when take(1) or when we are done dispatching
var _createCancelled$ = createCancelled$({
action: action,
cancel$: cancel$,
monitor$: monitor$,
logic: logic
}),
cancelled$ = _createCancelled$.cancelled$,
setInterceptComplete = _createCancelled$.setInterceptComplete;
var _createDispatch = createDispatch({
action: action,
cancel$: cancel$,
cancelled$: cancelled$,
logic: logic,
monitor$: monitor$,
store: store
}),
dispatch = _createDispatch.dispatch,
dispatch$ = _createDispatch.dispatch$,
done = _createDispatch.done; // passed into each execution phase hook as first argument
var ctx = {}; // for sharing data between hooks
var depObj = createDepObject({
deps: deps,
cancelled$: cancelled$,
ctx: ctx,
getState: getState,
action: action,
action$: action$
});
function shouldDispatch(act, useDispatch) {
if (!act) {
return false;
}
if (useDispatch === 'auto') {
// dispatch on diff type
return act.type !== action.type;
}
return useDispatch; // otherwise forced truthy/falsy
}
var AllowRejectNextDefaults = {
useDispatch: 'auto'
};
function applyAllowRejectNextDefaults(options) {
return _objectSpread(_objectSpread({}, AllowRejectNextDefaults), options);
}
function allow(act) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : AllowRejectNextDefaults;
handleNextOrDispatch(true, act, options);
}
function reject(act) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : AllowRejectNextDefaults;
handleNextOrDispatch(false, act, options);
}
function handleNextOrDispatch(shouldProcess, act, options) {
var shouldProcessAndHasProcessFn = shouldProcess && processFn;
var _applyAllowRejectNext = applyAllowRejectNextDefaults(options),
useDispatch = _applyAllowRejectNext.useDispatch;
if (shouldDispatch(act, useDispatch)) {
monitor$.next({
action: action,
dispAction: act,
name: name,
shouldProcess: shouldProcess,
op: 'nextDisp'
});
setInterceptComplete();
dispatch(wrapActionForIntercept(act), {
allowMore: true
}); // will be completed later
logicActionObs.complete(); // dispatched action, so no next(act)
} else {
// normal next
if (act) {
monitor$.next({
action: action,
nextAction: act,
name: name,
shouldProcess: shouldProcess,
op: 'next'
});
} else {
// act is undefined, filtered
monitor$.next({
action: action,
name: name,
shouldProcess: shouldProcess,
op: 'filtered'
});
setInterceptComplete();
}
postIfDefinedOrComplete(act, logicActionObs);
} // unless rejected, we will process even if allow/next dispatched
if (shouldProcessAndHasProcessFn) {
// processing, was an accept
// if action provided is empty, give process orig
depObj.action = act || action;
execProcessFn({
depObj: depObj,
dispatch: dispatch,
done: done,
processFn: processFn,
dispatchReturn: dispatchReturn,
dispatch$: dispatch$,
name: name
});
} else {
// not processing, must have been a reject
dispatch$.complete();
}
}
/* post if defined, then complete */
function postIfDefinedOrComplete(act, act$) {
if (act) {
act$.next(act); // triggers call to middleware's next()
}
setInterceptComplete();
act$.complete();
} // start use of the action
function start() {
// normal intercept and processing
return intercept(depObj, allow, reject);
}
start();
})).pipe.apply(_Observable$create, _toConsumableArray(logicActionOps)); // take, takeUntil
return logicAction$;
}