ds4/src/migration/001.js

// SPDX-FileCopyrightText: 2021 Johannes Loher
//
// SPDX-License-Identifier: MIT

import { getSceneMigrator, migrateCollection, migrateCompendiums, getCompendiumMigrator } from "./migrationHelpers.js";

/** @type {import("./migration.js").Migration["migrate"]} */
async function migrate() {
    const actorsResult = await migrateCollection(game.actors, migrateActor);
    const scenesResult = await migrateCollection(game.scenes, migrateScene);
    const compendiumsResult = await migrateCompendiums(migrateCompendium);
    return actorsResult === "error" || scenesResult === "error" || compendiumsResult === "error" ? "error" : "success";
}

/** @type {import('./migrationHelpers.js').Migrator<Actor>} */
async function migrateActor(actor) {
    await actor.update({
        system: {
            combatValues: [
                "hitPoints",
                "defense",
                "initiative",
                "movement",
                "meleeAttack",
                "rangedAttack",
                "spellcasting",
                "targetedSpellcasting",
            ].reduce((acc, curr) => {
                acc[curr] = { "-=base": null };
                return acc;
            }, {}),
        },
    });
}

const migrateScene = getSceneMigrator(migrateActor);

const migrateCompendium = getCompendiumMigrator({ migrateActor, migrateScene });

/** @type {import("./migration.js").Migration} */
export const migration = {
    migrate,
    migrateCompendium,
};