@tanglemedia/directus-collection-flex-editor/migrations/20251231E-tngl_flex-~-update-table-to-add-flex-content-editor.mjs

Creates the flex table and some basic related nodes like image, resource, embed, and section

const FLEX_CONTENT_FIELD = "tngl_flx_cntnt";
const COLLECTION_NAME = "tngl_flex_content";

let flexCollection = process.env.FLEX_COLLECTION;
if (!flexCollection) {
	flexCollection = [];
} else {
	flexCollection = flexCollection.split(",");
}

// add flex content to some basic tables aside from the ones specified in the FLEX_COLLECTION
let basicFlexCollection =
	"tngl_article,tngl_event,tngl_job,tngl_people,tngl_page";
basicFlexCollection = basicFlexCollection.split(",");
flexCollection = [...flexCollection, ...basicFlexCollection];
flexCollection = [...new Set(flexCollection)];

export async function up(knex) {
	// check if the tables in the FLEX_COLLECTION exist
	let flexCollectionExistsPromises = flexCollection.map((collection) => {
		return knex.schema.hasTable(collection);
	});

	flexCollectionExistsPromises = await Promise.all(
		flexCollectionExistsPromises
	);
	const finalFlexCollection = flexCollection.filter(
		(collection, index) => flexCollectionExistsPromises[index]
	);

	// check if the tables in the FLEX_COLLECTION has the tngl_flex_content field
	let flexCollectionFieldExistsPromises = finalFlexCollection.map(
		(collection) => {
			return knex.schema.hasColumn(collection, FLEX_CONTENT_FIELD);
		}
	);

	flexCollectionFieldExistsPromises = await Promise.all(
		flexCollectionFieldExistsPromises
	);

	// add tngl_flex_content editor to the collections in the FLEX_COLLECTION
	let flexCollectionUpdatePromises = finalFlexCollection.forEach(
		async (collection, index) => {
			return await knex.transaction(async (trcx) => {
				if (!flexCollectionFieldExistsPromises[index]) {
					await knex.schema
						.alterTable(collection, (table) => {
							table.uuid(FLEX_CONTENT_FIELD).nullable();
							table
								.foreign(FLEX_CONTENT_FIELD)
								.references("id")
								.inTable(COLLECTION_NAME)
								.onDelete("SET NULL");
						})
						.then(trcx.commit);
				} else {
					Promise.resolve();
				}
			});
		}
	);
}

export async function down(knex) {}