From 80d9baadc0e2728ac91e701d1787ca0313b745c8 Mon Sep 17 00:00:00 2001
From: Asher <ash@coder.com>
Date: Fri, 22 Feb 2019 18:54:02 -0600
Subject: [PATCH] Attempt to require spdlog and node-pty

---
 packages/protocol/src/common/helpers.ts | 48 +++++++++++++++++++++----
 packages/vscode/src/fill/node-pty.ts    |  8 ++---
 packages/vscode/src/fill/spdlog.ts      |  4 +--
 3 files changed, 46 insertions(+), 14 deletions(-)

diff --git a/packages/protocol/src/common/helpers.ts b/packages/protocol/src/common/helpers.ts
index 20d89dd0..1a3f0823 100644
--- a/packages/protocol/src/common/helpers.ts
+++ b/packages/protocol/src/common/helpers.ts
@@ -7,6 +7,9 @@ import { logger } from "@coder/logger";
 
 // tslint:disable no-any
 
+declare var __non_webpack_require__: typeof require;
+declare var __webpack_require__: typeof require;
+
 export type ForkProvider = (modulePath: string, args: string[], options: ForkOptions) => ChildProcess;
 
 export interface Disposer extends IDisposable {
@@ -20,7 +23,7 @@ interface ActiveEvalEmitter {
 }
 
 /**
- * Helper class for evaluations.
+ * Helper class for server-side evaluations.
  */
 export class EvalHelper {
 	/**
@@ -35,15 +38,36 @@ export class EvalHelper {
 			options.env = { ...process.env, ...options.env };
 		}
 	}
+
+	/**
+	 * Try a non-webpack require, then a webpack require if that fails.
+	 */
+	public require(modulePath: string): any {
+		logger.info(`Attempting to require ${modulePath}`);
+		try {
+			return __non_webpack_require__(modulePath);
+		} catch (error) { /* Nothing. */ }
+
+		logger.warn(`Non-webpack require failed for ${modulePath}`);
+		try {
+			return __webpack_require__(modulePath);
+		} catch (error) { /* Nothing. */ }
+
+		logger.warn(`Webpack require failed for ${modulePath}`);
+		try {
+			return require(modulePath);
+		} catch (error) {
+			logger.error(`Failed to require ${modulePath}`);
+			throw error;
+		}
+	}
 }
 
 /**
- * Helper class for active evaluations.
+ * Helper class for client-side active evaluations.
  */
-export class ActiveEvalHelper extends EvalHelper implements ActiveEvalEmitter {
-	public constructor(private readonly emitter: ActiveEvalEmitter) {
-		super();
-	}
+export class ActiveEvalHelper implements ActiveEvalEmitter {
+	public constructor(private readonly emitter: ActiveEvalEmitter) {}
 
 	public removeAllListeners(event?: string): void {
 		this.emitter.removeAllListeners(event);
@@ -100,9 +124,19 @@ export class ActiveEvalHelper extends EvalHelper implements ActiveEvalEmitter {
 /**
  * Helper class for server-side active evaluations.
  */
-export class ServerActiveEvalHelper extends ActiveEvalHelper {
+export class ServerActiveEvalHelper extends ActiveEvalHelper implements EvalHelper {
+	private readonly evalHelper: EvalHelper;
 	public constructor(emitter: ActiveEvalEmitter, public readonly fork: ForkProvider) {
 		super(emitter);
+		this.evalHelper = new EvalHelper();
+	}
+
+	public preserveEnv(options: SpawnOptions | ForkOptions): void {
+		this.evalHelper.preserveEnv(options);
+	}
+
+	public require(modulePath: string): any {
+		return this.evalHelper.require(modulePath);
 	}
 
 	/**
diff --git a/packages/vscode/src/fill/node-pty.ts b/packages/vscode/src/fill/node-pty.ts
index ae2e1dbf..4da59344 100644
--- a/packages/vscode/src/fill/node-pty.ts
+++ b/packages/vscode/src/fill/node-pty.ts
@@ -2,9 +2,7 @@ import { client } from "@coder/ide/src/fill/client";
 import { EventEmitter } from "events";
 import * as nodePty from "node-pty";
 import { ActiveEvalHelper } from "@coder/protocol";
-
-// Use this to prevent Webpack from hijacking require.
-declare var __non_webpack_require__: typeof require;
+import { logger } from "@coder/logger";
 
 /**
  * Implementation of nodePty for the browser.
@@ -17,7 +15,7 @@ class Pty implements nodePty.IPty {
 
 	public constructor(file: string, args: string[] | string, options: nodePty.IPtyForkOptions) {
 		this.ae = client.run((ae, file, args, options) => {
-			const nodePty = __non_webpack_require__("node-pty") as typeof import("node-pty");
+			const nodePty = ae.require("node-pty") as typeof import("node-pty");
 
 			ae.preserveEnv(options);
 
@@ -54,6 +52,8 @@ class Pty implements nodePty.IPty {
 			};
 		}, file, args, options);
 
+		this.ae.on("error", (error) => logger.error(error.message));
+
 		this.ae.on("pid", (pid) => this._pid = pid);
 		this.ae.on("process", (process) => this._process = process);
 
diff --git a/packages/vscode/src/fill/spdlog.ts b/packages/vscode/src/fill/spdlog.ts
index 4be1f750..876dfa65 100644
--- a/packages/vscode/src/fill/spdlog.ts
+++ b/packages/vscode/src/fill/spdlog.ts
@@ -3,10 +3,8 @@ import { RotatingLogger as NodeRotatingLogger } from "spdlog";
 import { logger } from "@coder/logger";
 import { client } from "@coder/ide/src/fill/client";
 
-declare var __non_webpack_require__: typeof require;
-
 const ae = client.run((ae) => {
-	const spdlog = __non_webpack_require__("spdlog") as typeof import("spdlog");
+	const spdlog = ae.require("spdlog") as typeof import("spdlog");
 	const loggers = new Map<number, NodeRotatingLogger>();
 
 	ae.on("new", (id: number, name: string, filePath: string, fileSize: number, fileCount: number) => {