Chrome Extension Advanced Permissions — Developer Guide
2 min readAdvanced Permission Patterns with @theluckystrike/webext-permissions
Prerequisites
- Read
docs/tutorials/permissions-quickstart.mdfirst npm install @theluckystrike/webext-permissions
1. The Full API Surface {#1-the-full-api-surface}
Checking Permissions
import { checkPermission, checkPermissions } from '@theluckystrike/webext-permissions';
const result = await checkPermission('tabs'); // { granted: boolean }
const results = await checkPermissions(['tabs', 'bookmarks']); // true only if ALL granted
Requesting Permissions
import { requestPermission, requestPermissions } from '@theluckystrike/webext-permissions';
const result = await requestPermission('tabs'); // { granted: boolean; error?: Error }
- Must be called from user gesture (click handler)
Removing Permissions
import { removePermission } from '@theluckystrike/webext-permissions';
await removePermission('tabs');
Getting All Granted
import { getGrantedPermissions } from '@theluckystrike/webext-permissions';
const granted = await getGrantedPermissions();
// granted.permissions: string[], granted.origins: string[]
Describing Permissions
import { describePermission, listPermissions, PERMISSION_DESCRIPTIONS } from '@theluckystrike/webext-permissions';
describePermission('tabs'); // Human-readable string
listPermissions(); // All 50+ permissions with descriptions
PERMISSION_DESCRIPTIONS['storage']; // Direct map access
2. Progressive Permission Pattern {#2-progressive-permission-pattern}
- Start minimal, request as user accesses features
- manifest.json:
optional_permissionsfor on-demand features - Higher install rate, more user trust
3. Permission Gate Pattern {#3-permission-gate-pattern}
- Generic wrapper: check -> request -> execute or fallback
- Full code example with TypeScript generics
4. Permission Status UI {#4-permission-status-ui}
- Render toggles for each permission showing granted status + description
- Use
describePermission()for user-friendly labels - Toggle calls
requestPermissionorremovePermission
5. Storing Permission Preferences with @theluckystrike/webext-storage {#5-storing-permission-preferences-with-theluckystrikewebext-storage}
- Track which features user enabled
- On startup: check if permission still granted (user may have revoked in chrome://extensions)
- Sync preference state with actual permission state
6. PERMISSION_DESCRIPTIONS Reference {#6-permission-descriptions-reference}
- Complete list of 50+ permissions covered in
PERMISSION_DESCRIPTIONS - All standard Chrome permissions with human-readable descriptions
Common Mistakes
- Calling
requestPermissionoutside user gesture — Chrome silently denies - Not listing in
optional_permissions— can’t request undeclared permissions removePermissionactually revokes access — guard subsequent API calls- Over-checking: cache results, re-check periodically not on every call -e —
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Part of the Chrome Extension Guide by theluckystrike. Built at zovo.one.