redux-vertical/lib/create-action.js

Build redux vertically

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const invariant_1 = __importDefault(require("invariant"));
const toString_1 = __importDefault(require("./utils/toString"));
const identity = (x) => x;
function createAction(_type, payloadCreator = identity, metaCreator) {
    invariant_1.default(_type, 'type cannot be undefined or null');
    invariant_1.default(typeof payloadCreator === 'function' || payloadCreator === null, 'Expected payloadCreator to be a function, undefined or null');
    const finalPayloadCreator = payloadCreator === null || payloadCreator === identity
        ? identity
        : (head, ...args) => head instanceof Error ? head : payloadCreator(head, ...args);
    const hasMeta = typeof metaCreator === 'function';
    const type = toString_1.default(_type);
    const actionCreator = (...args) => {
        const payload = finalPayloadCreator(...args);
        const action = { type };
        if (payload instanceof Error) {
            action.error = true;
        }
        if (payload !== undefined) {
            action.payload = payload;
        }
        if (hasMeta) {
            action.meta = metaCreator(...args);
        }
        return action;
    };
    return actionCreator;
}
exports.default = createAction;
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