boostr/dist/processes/export-database.js

Build and deploy your Layr apps

import { serialize, createAttributeSelectorFromAttributes, removeFromAttributeSelector } from '@layr/component';
import { isStorableClass } from '@layr/storable';
import mri from 'mri';
import fsExtra from 'fs-extra';
import { createRequire } from 'module';
import 'source-map-support/register.js';
const require = createRequire(import.meta.url);
async function main() {
    const { componentGetterFile, databaseURL, outputFile } = mri(process.argv.slice(2));
    const componentGetter = require(componentGetterFile).default;
    const rootComponent = (await componentGetter());
    const exportedStorables = [];
    let stores = new Set();
    for (const component of [rootComponent, ...rootComponent.getProvidedComponents({ deep: true })]) {
        if (isStorableClass(component) && !component.isEmbedded() && component.hasStore()) {
            const storableClass = component;
            const store = storableClass.getStore();
            if (store.getURL() !== databaseURL) {
                continue;
            }
            let attributeSelector = storableClass.prototype.resolveAttributeSelector(true);
            const computedAttributes = storableClass.prototype.getStorableComputedAttributes({
                attributeSelector
            });
            attributeSelector = removeFromAttributeSelector(attributeSelector, createAttributeSelectorFromAttributes(computedAttributes));
            const foundStorables = await store.find(storableClass);
            for (const foundStorable of foundStorables) {
                console.log(`Exporting \`${storableClass.getComponentName()}\` instance (id: '${foundStorable
                    .getPrimaryIdentifierAttribute()
                    .getValue()}')`);
                await store.load(foundStorable, { attributeSelector });
                exportedStorables.push(foundStorable);
            }
            stores.add(store);
        }
    }
    for (const store of stores) {
        await store.disconnect();
    }
    const serializedStorables = serialize(exportedStorables);
    fsExtra.writeJSONSync(outputFile, serializedStorables, { spaces: 2 });
}
main().catch((error) => {
    console.error(error);
    process.exit(1);
});
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