gatsby-source-prismic/src/lib/createNodeOfType.ts

Gatsby source plugin for building websites using Prismic as a data source

import * as gatsby from "gatsby";
import * as RTE from "fp-ts/ReaderTaskEither";
import * as I from "fp-ts/Identity";
import { pipe } from "fp-ts/function";
import { IdentifiableRecord } from "gatsby-node-helpers";

import { Dependencies } from "../types";

/**
 * Creates a node using the environment's `createNode` function. The provided
 * record is passed through a node helper factory based on the record's `type` field.
 *
 * @param record - Record with an `id` field with which to create a node.
 * @param type - Type of the record.
 */
export const createNodeOfType = (
	record: IdentifiableRecord,
	type: string | string[],
): RTE.ReaderTaskEither<Dependencies, never, gatsby.NodeInput> =>
	RTE.asks((deps) =>
		pipe(
			record,
			deps.nodeHelpers.createNodeFactory(type),
			I.chainFirst(deps.createNode),
		),
	);