@tobiastengler/create-relay-app/dist/tasks/next/Next_AddTypeHelpers.js

Easy configuration of Relay for existing projects

import path from "path";
import { NEXT_SRC_PATH } from "../../consts.js";
import { prettifyCode } from "../../utils/ast.js";
import { bold } from "../../utils/cli.js";
import { TaskBase } from "../TaskBase.js";
const code = `
import type { GetServerSideProps, GetStaticProps, PreviewData } from "next";
import type { ParsedUrlQuery } from "querystring";
import type { RecordMap } from "relay-runtime/lib/store/RelayStoreTypes";

export type RelayPageProps = {
  initialRecords?: RecordMap;
};

export type GetRelayServerSideProps<
  P extends { [key: string]: any } = { [key: string]: any },
  Q extends ParsedUrlQuery = ParsedUrlQuery,
  D extends PreviewData = PreviewData
> = GetServerSideProps<P & Required<RelayPageProps>, Q, D>;

export type GetRelayStaticProps<
  P extends { [key: string]: any } = { [key: string]: any },
  Q extends ParsedUrlQuery = ParsedUrlQuery,
  D extends PreviewData = PreviewData
> = GetStaticProps<P & Required<RelayPageProps>, Q, D>;
`;
export class Next_AddTypeHelpers extends TaskBase {
    constructor(context) {
        super();
        this.context = context;
        this.message = "Add type helpers";
    }
    isEnabled() {
        return this.context.is("next") && this.context.args.typescript;
    }
    async run() {
        const filepath = Next_AddTypeHelpers.getRelayTypesPath(this.context);
        this.updateMessage(this.message + " " + bold(filepath.rel));
        if (this.context.fs.exists(filepath.abs)) {
            this.skip("File exists");
            return;
        }
        const prettifiedCode = prettifyCode(code);
        await this.context.fs.writeToFile(filepath.abs, prettifiedCode);
    }
    static getRelayTypesPath(context) {
        const filepath = path.join(NEXT_SRC_PATH, "relay-types.ts");
        return context.env.rel(filepath);
    }
}