diff --git a/README.md b/README.md
index 868b934..c207088 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,20 @@ _Free, ultrafast code autocomplete for Chrome_
- [Quadratic](https://www.quadratichq.com/)
- [StackBlitz](https://stackblitz.com/)
+In addition, any web page can support autocomplete in editors by adding the following meta tag to the `` section of the page:
+
+```html
+
+```
+
+The `content` attribute accepts a comma-separated list of supported editors. These currently include: `"monaco"` and `"codemirror5"`.
+
+To disable the extension in a specific page add the following meta tag:
+
+```html
+
+```
+
Contributions are welcome! Feel free to submit pull requests and issues related to the extension or to add links to supported websites.
🔗 [Original Chrome extension launch announcement](https://codeium.com/blog/codeium-chrome-extension-launch)
diff --git a/src/script.ts b/src/script.ts
index 9cdc28b..f61b0f5 100644
--- a/src/script.ts
+++ b/src/script.ts
@@ -225,15 +225,40 @@ const addCodeMirror5LocalInject = () => {
getAllowlist(extensionId).then(
(allowlist) => {
- for (const addr of computeAllowlist(allowlist)) {
- const host = new RegExp(addr);
- if (host.test(window.location.href) || document.querySelector('meta[name="codeium:type"]')) {
- // the url matches the allowlist or meta tag is found
- // TODO: restrict injection type by the value of the content attribute (comma-separated list). see https://github.com/Exafunction/codeium-chrome/issues/28
- addMonacoInject();
- addCodeMirror5GlobalInject();
- addCodeMirror5LocalInject();
- return;
+ const validInjectTypes = ['monaco', 'codemirror5', 'none'];
+ const metaTag = document.querySelector('meta[name="codeium:type"]');
+ const injectionTypes =
+ metaTag
+ ?.getAttribute('content')
+ ?.split(',')
+ .map((x) => x.toLowerCase().trim())
+ .filter((x) => validInjectTypes.includes(x)) ?? [];
+
+ if (injectionTypes.includes('none')) {
+ // do not inject if specifically disabled
+ return;
+ }
+
+ if (injectionTypes.includes('monaco')) {
+ addMonacoInject();
+ }
+
+ if (injectionTypes.includes('codemirror5')) {
+ addCodeMirror5GlobalInject();
+ addCodeMirror5LocalInject();
+ }
+
+ if (injectionTypes.length === 0) {
+ // if no meta tag is found, check the allowlist
+ for (const addr of computeAllowlist(allowlist)) {
+ const host = new RegExp(addr);
+ if (host.test(window.location.href)) {
+ // the url matches the allowlist
+ addMonacoInject();
+ addCodeMirror5GlobalInject();
+ addCodeMirror5LocalInject();
+ return;
+ }
}
}
},