@nteract/myths/lib/myth.js

A redux-observable framework for better locality of dependencies

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeCreateMyth = void 0;
const epics_1 = require("./epics");
const react_1 = require("./react");
const reducer_1 = require("./reducer");
exports.makeCreateMyth = (pkg, myths) => (name) => (definition) => {
    if (myths.hasOwnProperty(name)) {
        throw new Error(`Package "${pkg}" cannot have two myths with the same name ("${name}")`);
    }
    const mythWIP = {
        // Strings identifying this myth
        pkg,
        name,
        type: `${pkg}/${name}`,
        // for use in typeof expressions:
        props: undefined,
        state: undefined,
        action: undefined,
    };
    // Function to create actions
    mythWIP.create =
        (payload) => ({ type: mythWIP.type, payload });
    // Function to partial create actions
    mythWIP.with =
        (partial) => (payload) => ({
            type: mythWIP.type,
            payload: Object.assign(Object.assign({}, partial), payload),
        });
    // Epics to include into our rootEpic
    mythWIP.epics =
        epics_1.makeEpics(pkg, mythWIP, definition);
    // Is this action one of ours?
    mythWIP.appliesTo =
        (action) => action.type === mythWIP.type;
    // Reducer for our action
    mythWIP.reduce =
        reducer_1.makeReducer(definition.reduce, mythWIP.appliesTo);
    // Make a component that has access to our action
    mythWIP.createConnectedComponent =
        react_1.makeCreateConnectedComponent(mythWIP);
    const myth = mythWIP;
    myths[name] = myth;
    return myth;
};
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