From ff09e5998557f44ebb23dab4e8bae5540e0af449 Mon Sep 17 00:00:00 2001
From: Denys Vuika <denys.vuika@gmail.com>
Date: Tue, 2 Oct 2018 07:14:10 +0100
Subject: [PATCH 1/3] support bulk libs setup

---
 src/monaco.contribution.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/monaco.contribution.ts b/src/monaco.contribution.ts
index edde6228..e5373f72 100644
--- a/src/monaco.contribution.ts
+++ b/src/monaco.contribution.ts
@@ -61,6 +61,34 @@ export class LanguageServiceDefaultsImpl implements monaco.languages.typescript.
 		};
 	}
 
+	setExtraLibs(libs: Array<{ content: string; filePath?: string }> = []): IDisposable {
+		const paths = [];
+
+		if (libs && libs.length > 0) {
+			libs.forEach(lib => {
+				const filePath = lib.filePath || `ts:extralib-${Date.now()}`;
+				const content = lib.content;
+
+				this._extraLibs[filePath] = content;
+				paths.push(filePath);
+			});
+
+			this._onDidChange.fire(this);
+		}
+
+		return {
+			dispose: () => {
+				if (paths.length > 0) {
+					paths.forEach(filePath => {
+						delete this._extraLibs[filePath];
+					});
+
+					this._onDidChange.fire(this);
+				}
+			}
+		}
+	}
+
 	getCompilerOptions(): monaco.languages.typescript.CompilerOptions {
 		return this._compilerOptions;
 	}

From c6c45135c2229d89e9545f83ced3695762e44a59 Mon Sep 17 00:00:00 2001
From: Denys Vuika <denys.vuika@gmail.com>
Date: Tue, 2 Oct 2018 07:19:43 +0100
Subject: [PATCH 2/3] definition and docs

---
 src/monaco.contribution.ts |  2 +-
 src/monaco.d.ts            | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/monaco.contribution.ts b/src/monaco.contribution.ts
index e5373f72..9700c5a7 100644
--- a/src/monaco.contribution.ts
+++ b/src/monaco.contribution.ts
@@ -61,7 +61,7 @@ export class LanguageServiceDefaultsImpl implements monaco.languages.typescript.
 		};
 	}
 
-	setExtraLibs(libs: Array<{ content: string; filePath?: string }> = []): IDisposable {
+	setExtraLibs(libs: Array<{ content: string; filePath?: string }>): IDisposable {
 		const paths = [];
 
 		if (libs && libs.length > 0) {
diff --git a/src/monaco.d.ts b/src/monaco.d.ts
index 35806f17..145efe61 100644
--- a/src/monaco.d.ts
+++ b/src/monaco.d.ts
@@ -135,11 +135,23 @@ declare module monaco.languages.typescript {
          *
          * @param content The file content
          * @param filePath An optional file path
-         * @returns A disposabled which will remove the file from the
-         * language service upon disposal.
+         * @returns A disposable which will remove the file from the
+         * language service upon cleanup.
          */
         addExtraLib(content: string, filePath?: string): IDisposable;
 
+        /**
+         * Add multiple source files to the language service.
+         * Use this for multiple typescript (definition) files that won't be loaded
+         * as editor document, like `jquery.d.ts`.
+         * This method is optimised for performance and raises change events only once
+         * for the whole list.
+         * @param libs An array of entries to register.
+         * @returns A disposable which will remove the file from the
+         * language service upon cleanup.
+         */
+        setExtraLibs(libs: Array<{ content: string; filePath?: string }>): IDisposable;
+
         /**
          * Set TypeScript compiler options.
          */

From e556e53389ab97e4aad5f21b6b002779c418926e Mon Sep 17 00:00:00 2001
From: Denys Vuika <denys.vuika@gmail.com>
Date: Tue, 2 Oct 2018 08:53:32 +0100
Subject: [PATCH 3/3] raise onDidChange only when needed

---
 src/monaco.contribution.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/monaco.contribution.ts b/src/monaco.contribution.ts
index 9700c5a7..b58c296f 100644
--- a/src/monaco.contribution.ts
+++ b/src/monaco.contribution.ts
@@ -79,11 +79,17 @@ export class LanguageServiceDefaultsImpl implements monaco.languages.typescript.
 		return {
 			dispose: () => {
 				if (paths.length > 0) {
+					let changed = false;
+
 					paths.forEach(filePath => {
-						delete this._extraLibs[filePath];
+						if (delete this._extraLibs[filePath]) {
+							changed = true;
+						}
 					});
 
-					this._onDidChange.fire(this);
+					if (changed) {
+						this._onDidChange.fire(this);
+					}
 				}
 			}
 		}