@tobiastengler/create-relay-app/dist/tasks/AddRelayCompilerScriptsTask.js

Easy configuration of Relay for existing projects

import { TaskBase } from "./TaskBase.js";
import { bold } from "../utils/cli.js";
import { execSync } from "child_process";
const validateRelayArtifactsScript = "relay-compiler --validate";
export class AddRelayCompilerScriptsTask extends TaskBase {
    constructor(context) {
        super();
        this.context = context;
        this.message = `Add ${bold("relay-compiler")} scripts`;
    }
    isEnabled() {
        return true;
    }
    async run() {
        var _a;
        this.updateMessage(this.message + ` in ${bold(this.context.ownPackageJsonFile.rel)}`);
        const packageJson = await this.context.env.packageJson.parse();
        const scriptsSection = (_a = packageJson["scripts"]) !== null && _a !== void 0 ? _a : {};
        if (!scriptsSection["relay"]) {
            const watchmanInstalled = isWatchmanInstalled();
            // Add "relay" script
            scriptsSection["relay"] = "relay-compiler";
            if (watchmanInstalled) {
                scriptsSection["relay"] += " --watch";
            }
        }
        const buildScript = scriptsSection["build"];
        if (buildScript && typeof buildScript === "string" && !buildScript.includes(validateRelayArtifactsScript)) {
            // Validate Relay's artifacts as the first build step.
            scriptsSection["build"] = validateRelayArtifactsScript + " && " + buildScript;
        }
        this.context.env.packageJson.persist(packageJson);
    }
}
function isWatchmanInstalled() {
    try {
        execSync("watchman", { stdio: "ignore" });
        return true;
    }
    catch (_a) {
        return false;
    }
}