Move the isNodeJS-helper into the src/shared/util.js file

With the changes in the previous patch the `isNodeJS`-helper no longer needs to live in its own file, which helps get rid of a closure in the *built* files.

src/core/worker.js

@@ -19,6 +19,7 @@ import {
   getVerbosityLevel,
   info,
   InvalidPDFException,
+  isNodeJS,
   MissingPDFException,
   PasswordException,
   PromiseCapability,
@@ -39,7 +40,6 @@ import { LocalPdfManager, NetworkPdfManager } from "./pdf_manager.js";
 import { AnnotationFactory } from "./annotation.js";
 import { clearGlobalCaches } from "./cleanup_helper.js";
 import { incrementalUpdate } from "./writer.js";
-import { isNodeJS } from "../shared/is_node.js";
 import { MessageHandler } from "../shared/message_handler.js";
 import { PDFWorkerStream } from "./worker_stream.js";
 

src/display/api.js

@@ -25,6 +25,7 @@ import {
   info,
   InvalidPDFException,
   isArrayBuffer,
+  isNodeJS,
   MAX_IMAGE_SIZE_TO_CACHE,
   MissingPDFException,
   PasswordException,
@@ -59,7 +60,6 @@ import {
 import { FontFaceObject, FontLoader } from "./font_loader.js";
 import { CanvasGraphics } from "./canvas.js";
 import { GlobalWorkerOptions } from "./worker_options.js";
-import { isNodeJS } from "../shared/is_node.js";
 import { MessageHandler } from "../shared/message_handler.js";
 import { Metadata } from "./metadata.js";
 import { OptionalContentConfig } from "./optional_content_config.js";

src/display/canvas.js

@@ -19,6 +19,7 @@ import {
   IDENTITY_MATRIX,
   ImageKind,
   info,
+  isNodeJS,
   OPS,
   shadow,
   TextRenderingMode,
@@ -37,7 +38,6 @@ import {
   TilingPattern,
 } from "./pattern_helper.js";
 import { convertBlackAndWhiteToRGBA } from "../shared/image_utils.js";
-import { isNodeJS } from "../shared/is_node.js";
 
 // <canvas> contexts store most of the state we need natively.
 // However, PDF needs a bit more state, which we store here.

src/display/font_loader.js

@@ -17,12 +17,12 @@ import {
   assert,
   bytesToString,
   FeatureTest,
+  isNodeJS,
   shadow,
   string32,
   unreachable,
   warn,
 } from "../shared/util.js";
-import { isNodeJS } from "../shared/is_node.js";
 
 class FontLoader {
   #systemFonts = new Set();

src/display/node_utils.js

@@ -20,7 +20,7 @@ import {
   BaseFilterFactory,
   BaseStandardFontDataFactory,
 } from "./base_factory.js";
-import { isNodeJS } from "../shared/is_node.js";
+import { isNodeJS } from "../shared/util.js";
 
 if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
   throw new Error(

src/display/svg.js

@@ -19,12 +19,12 @@ import {
   FONT_IDENTITY_MATRIX,
   IDENTITY_MATRIX,
   ImageKind,
+  isNodeJS,
   OPS,
   TextRenderingMode,
   Util,
   warn,
 } from "../shared/util.js";
-import { isNodeJS } from "../shared/is_node.js";
 
 if (typeof PDFJSDev !== "undefined" && !PDFJSDev.test("GENERIC")) {
   throw new Error(

src/shared/is_node.js

@@ -1,28 +0,0 @@
-/* Copyright 2018 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/* globals process */
-
-// NW.js / Electron is a browser context, but copies some Node.js objects; see
-// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context
-// https://www.electronjs.org/docs/api/process#processversionselectron-readonly
-// https://www.electronjs.org/docs/api/process#processtype-readonly
-const isNodeJS =
-  (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) &&
-  typeof process === "object" &&
-  process + "" === "[object process]" &&
-  !process.versions.nw &&
-  !(process.versions.electron && process.type && process.type !== "browser");
-
-export { isNodeJS };

src/shared/util.js

@@ -12,6 +12,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* globals process */
+
+// NW.js / Electron is a browser context, but copies some Node.js objects; see
+// http://docs.nwjs.io/en/latest/For%20Users/Advanced/JavaScript%20Contexts%20in%20NW.js/#access-nodejs-and-nwjs-api-in-browser-context
+// https://www.electronjs.org/docs/api/process#processversionselectron-readonly
+// https://www.electronjs.org/docs/api/process#processtype-readonly
+const isNodeJS =
+  (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) &&
+  typeof process === "object" &&
+  process + "" === "[object process]" &&
+  !process.versions.nw &&
+  !(process.versions.electron && process.type && process.type !== "browser");
 
 const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
 const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
@@ -1056,6 +1068,7 @@ export {
   InvalidPDFException,
   isArrayBuffer,
   isArrayEqual,
+  isNodeJS,
   LINE_DESCENT_FACTOR,
   LINE_FACTOR,
   MAX_IMAGE_SIZE_TO_CACHE,