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Merge pull request #789 from CodinGame/workaround-firefox-bug
Workaround firefox bug
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‎vscode-patches/0098-fix-workaround-firefox-bug.patch‎

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Lo=C3=AFc=20Mangeonjean?= <loic@coderpad.io>
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Date: Fri, 10 Apr 2026 19:19:44 +0200
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Subject: [PATCH] fix: workaround firefox bug
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https://bugzilla.mozilla.org/show_bug.cgi?id=2029029
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---
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.../src/preview/documentRenderer.ts | 4 ++--
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extensions/media-preview/src/audioPreview.ts | 2 +-
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extensions/media-preview/src/imagePreview/index.ts | 2 +-
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extensions/media-preview/src/videoPreview.ts | 2 +-
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extensions/mermaid-chat-features/src/chatOutputRenderer.ts | 2 +-
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extensions/mermaid-chat-features/src/editorManager.ts | 2 +-
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extensions/simple-browser/src/simpleBrowserView.ts | 4 ++--
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7 files changed, 9 insertions(+), 9 deletions(-)
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diff --git a/extensions/markdown-language-features/src/preview/documentRenderer.ts b/extensions/markdown-language-features/src/preview/documentRenderer.ts
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index f96fce9b745..872b737ebb2 100644
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--- a/extensions/markdown-language-features/src/preview/documentRenderer.ts
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+++ b/extensions/markdown-language-features/src/preview/documentRenderer.ts
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@@ -186,7 +186,7 @@ export class MdDocumentRenderer {
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}
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const out: string[] = [];
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for (const style of config.styles) {
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- out.push(`<link rel="stylesheet" class="code-user-style" data-source="${escapeAttribute(style)}" href="${escapeAttribute(this.#fixHref(resourceProvider, resource, style))}" type="text/css" media="screen">`);
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+ out.push(`<link rel="stylesheet" class="code-user-style" data-source="${escapeAttribute(style)}" href="${escapeAttribute(this.#fixHref(resourceProvider, resource, style))}" type="text/css" media="screen" crossorigin="anonymous">`);
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}
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return out.join('\n');
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}
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@@ -219,7 +219,7 @@ export class MdDocumentRenderer {
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#getStyles(resourceProvider: WebviewResourceProvider, resource: vscode.Uri, config: MarkdownPreviewConfiguration, imageInfo: readonly ImageInfo[]): string {
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const baseStyles: string[] = [];
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for (const resource of this.#contributionProvider.contributions.previewStyles) {
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- baseStyles.push(`<link rel="stylesheet" type="text/css" href="${escapeAttribute(resourceProvider.asWebviewUri(resource))}">`);
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+ baseStyles.push(`<link rel="stylesheet" type="text/css" href="${escapeAttribute(resourceProvider.asWebviewUri(resource))}" crossorigin="anonymous">`);
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}
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return `${baseStyles.join('\n')}
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diff --git a/extensions/media-preview/src/audioPreview.ts b/extensions/media-preview/src/audioPreview.ts
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index 282d579b380..e4119b60297 100644
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--- a/extensions/media-preview/src/audioPreview.ts
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+++ b/extensions/media-preview/src/audioPreview.ts
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@@ -72,7 +72,7 @@ class AudioPreview extends MediaPreview {
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<title>Audio Preview</title>
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- <link rel="stylesheet" href="${escapeAttribute(this.extensionResource('media', 'audioPreview.css'))}" type="text/css" media="screen" nonce="${nonce}">
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+ <link rel="stylesheet" href="${escapeAttribute(this.extensionResource('media', 'audioPreview.css'))}" type="text/css" media="screen" nonce="${nonce}" crossorigin="anonymous">
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<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src data: ${cspSource}; media-src ${cspSource}; script-src 'nonce-${nonce}'; style-src ${cspSource} 'nonce-${nonce}';">
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<meta id="settings" data-settings="${escapeAttribute(JSON.stringify(settings))}">
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diff --git a/extensions/media-preview/src/imagePreview/index.ts b/extensions/media-preview/src/imagePreview/index.ts
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index 6c2c8a73f66..60cdc96f680 100644
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--- a/extensions/media-preview/src/imagePreview/index.ts
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+++ b/extensions/media-preview/src/imagePreview/index.ts
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@@ -199,7 +199,7 @@ class ImagePreview extends MediaPreview {
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<title>Image Preview</title>
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- <link rel="stylesheet" href="${escapeAttribute(this.extensionResource('media', 'imagePreview.css'))}" type="text/css" media="screen" nonce="${nonce}">
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+ <link rel="stylesheet" href="${escapeAttribute(this.extensionResource('media', 'imagePreview.css'))}" type="text/css" media="screen" nonce="${nonce}" crossorigin="anonymous">
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<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src data: ${cspSource}; connect-src ${cspSource}; script-src 'nonce-${nonce}'; style-src ${cspSource} 'nonce-${nonce}';">
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<meta id="image-preview-settings" data-settings="${escapeAttribute(JSON.stringify(settings))}">
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diff --git a/extensions/media-preview/src/videoPreview.ts b/extensions/media-preview/src/videoPreview.ts
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index 1cb74c58426..796aa49bf2e 100644
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--- a/extensions/media-preview/src/videoPreview.ts
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+++ b/extensions/media-preview/src/videoPreview.ts
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@@ -76,7 +76,7 @@ class VideoPreview extends MediaPreview {
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<title>Video Preview</title>
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- <link rel="stylesheet" href="${escapeAttribute(this.extensionResource('media', 'videoPreview.css'))}" type="text/css" media="screen" nonce="${nonce}">
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+ <link rel="stylesheet" href="${escapeAttribute(this.extensionResource('media', 'videoPreview.css'))}" type="text/css" media="screen" nonce="${nonce}" crossorigin="anonymous">
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<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src data: ${cspSource}; media-src ${cspSource}; script-src 'nonce-${nonce}'; style-src ${cspSource} 'nonce-${nonce}';">
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<meta id="settings" data-settings="${escapeAttribute(JSON.stringify(settings))}">
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diff --git a/extensions/mermaid-chat-features/src/chatOutputRenderer.ts b/extensions/mermaid-chat-features/src/chatOutputRenderer.ts
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index c6aacbd748e..83ef9189540 100644
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--- a/extensions/mermaid-chat-features/src/chatOutputRenderer.ts
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+++ b/extensions/mermaid-chat-features/src/chatOutputRenderer.ts
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@@ -73,7 +73,7 @@ class MermaidChatOutputRenderer implements vscode.ChatOutputRenderer {
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Mermaid Diagram</title>
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<meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'nonce-${nonce}'; style-src ${webview.cspSource} 'unsafe-inline'; font-src data:;" />
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- <link rel="stylesheet" type="text/css" href="${codiconsUri}">
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+ <link rel="stylesheet" type="text/css" href="${codiconsUri}" crossorigin="anonymous">
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<style>
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body {
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diff --git a/extensions/mermaid-chat-features/src/editorManager.ts b/extensions/mermaid-chat-features/src/editorManager.ts
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index 5ee5cec29da..4147709002e 100644
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--- a/extensions/mermaid-chat-features/src/editorManager.ts
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+++ b/extensions/mermaid-chat-features/src/editorManager.ts
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@@ -219,7 +219,7 @@ class MermaidPreview extends Disposable {
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Mermaid Diagram</title>
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<meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'nonce-${nonce}'; style-src ${this._webviewPanel.webview.cspSource} 'unsafe-inline'; font-src data:;" />
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- <link rel="stylesheet" type="text/css" href="${codiconsUri}">
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+ <link rel="stylesheet" type="text/css" href="${codiconsUri}" crossorigin="anonymous">
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<style>
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html, body {
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margin: 0;
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diff --git a/extensions/simple-browser/src/simpleBrowserView.ts b/extensions/simple-browser/src/simpleBrowserView.ts
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index 56c5aff5c8a..ff123619f56 100644
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--- a/extensions/simple-browser/src/simpleBrowserView.ts
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+++ b/extensions/simple-browser/src/simpleBrowserView.ts
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@@ -137,8 +137,8 @@ export class SimpleBrowserView extends Disposable {
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focusLockEnabled: configuration.get<boolean>('focusLockIndicator.enabled', true)
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}))}">
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- <link rel="stylesheet" type="text/css" href="${mainCss}">
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- <link rel="stylesheet" type="text/css" href="${codiconsUri}">
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+ <link rel="stylesheet" type="text/css" href="${mainCss}" crossorigin="anonymous">
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+ <link rel="stylesheet" type="text/css" href="${codiconsUri}" crossorigin="anonymous">
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</head>
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<body>
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<header class="header">

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