repond/dist/usable/create.js

respond to items state in realtime

import { forEach } from "chootils/dist/loops";
import { createDiffInfo } from "../getStatesDiff";
import { repondMeta as meta } from "../meta";
import { createRecordedChanges } from "../updating";
const SPECIAL_CHANGE_KEYS = ["__added", "__removed"];
export function initRepond(itemTypeDefs, stepNames) {
    const renamedItemTypeDefs = {};
    Object.entries(itemTypeDefs).forEach(([type, definition]) => {
        renamedItemTypeDefs[type.replace(/Store$/, "")] = definition; // Remove "Store" from the end of the key, if present
    });
    meta.itemTypeNames = Object.keys(renamedItemTypeDefs);
    const editedStepNames = stepNames ? [...stepNames] : ["default"];
    if (!editedStepNames.includes("default"))
        editedStepNames.push("default");
    meta.stepNames = editedStepNames;
    meta.nowStepIndex = 0;
    meta.nowStepName = stepNames[meta.nowStepIndex];
    for (const type of meta.itemTypeNames) {
        meta.nowState[type] = {};
        meta.prevState[type] = {};
        meta.nowRefs[type] = {};
        meta.newStateByItemType[type] = renamedItemTypeDefs[type].newState;
        meta.newRefsByItemType[type] = renamedItemTypeDefs[type].newRefs;
        meta.itemIdsByItemType[type] = [];
        const propNames = Object.keys(meta.newStateByItemType[type]?.("anyItemId"));
        meta.propNamesByItemType[type] = propNames;
        SPECIAL_CHANGE_KEYS.forEach((key) => {
            meta.specialKeyByPropPathId[`${type}.${key}`] = key;
            meta.itemTypeByPropPathId[`${type}.${key}`] = type;
        });
        forEach(propNames, (propName) => {
            const propPathId = `${type}.${propName}`;
            meta.itemTypeByPropPathId[propPathId] = type;
            meta.propKeyByPropPathId[propPathId] = propName;
        });
    }
    createRecordedChanges(meta.recordedEffectChanges);
    createRecordedChanges(meta.recordedStepEndEffectChanges);
    createDiffInfo(meta.diffInfo);
    meta.didInit = true;
}