Function wrapEnvironmentHook

packages/vite/src/bridge/build.ts:219–243

(
    environment: BuildEnvironment,
    hook?: Plugin[HookName]
)

}

function wrapEnvironmentHook<HookName extends keyof Plugin>(
    environment: BuildEnvironment,
    hook?: Plugin[HookName]
): Plugin[HookName] {
    if (!hook) {
        return;
    }

    const fn = getHookHandler(hook);
    if (typeof fn !== 'function') {
        return hook;
    }

    const handler: Plugin[HookName] = function (this: PluginContext, ...args: any[]) {
        return fn.call(injectEnvironmentInContext(this, environment), ...args);
    };

    if ('handler' in hook) {
        return {
            ...hook,
            handler
        } as Plugin[HookName];
    }
    return handler;
}

function injectEnvironmentInContext<Context extends MinimalPluginContext>(
    context: Context,