@tanglemedia/directus-collection-flex-editor/migrations/20251230C-tngl_flex-~-create-flex-content-nodes.mjs

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

const COLLECTION_NAME = "tngl_flex_content_nodes";

export async function up(knex) {
	// if table exists, do not proceed with table creation
	if (await knex.schema.hasTable(COLLECTION_NAME)) {
		// check if ID field exists
		const idExists = await knex.schema.hasColumn(COLLECTION_NAME, "id");
		if (!idExists) table.uuid("id").primary().notNullable(); // Primary key

		// check if content field exists
		const sortExists = await knex.schema.hasColumn(COLLECTION_NAME, "sort");
		if (!sortExists) table.integer("sort").nullable(); // Sort field

		// check if plain field exists
		const itemExists = await knex.schema.hasColumn(COLLECTION_NAME, "item");
		if (!itemExists) table.string("item", 255).nullable(); // Item field

		// check if plain field exists
		const collectionExists = await knex.schema.hasColumn(
			COLLECTION_NAME,
			"collection"
		);
		if (!collectionExists) table.string("collection", 255).nullable(); // Collection field

		// check tngl_flex_content_id
		const flexibleContentIdExists = await knex.schema.hasColumn(
			COLLECTION_NAME,
			"tngl_flex_content_id"
		);

		if (!flexibleContentIdExists) {
			table.uuid("tngl_flex_content_id").nullable(); // Foreign key
			// Foreign key constraint
			table
				.foreign("tngl_flex_content_id")
				.references("id")
				.inTable("tngl_flex_content")
				.onDelete("CASCADE");
		}

		return;
	}

	// if table does not exist, create table
	await knex.schema.createTable(COLLECTION_NAME, (table) => {
		table.uuid("id").primary().notNullable();
		table.integer("sort").nullable();

		table.uuid("tngl_flex_content_id").nullable();
		table.string("item", 255).nullable();
		table.string("collection", 255).nullable();
		table
			.foreign("tngl_flex_content_id")
			.references("id")
			.inTable("tngl_flex_content")
			.onDelete("CASCADE");
	});
}

export async function down(knex) {
	// drop table
	await knex.schema.dropTableIfExists(COLLECTION_NAME);
}