feat: deprecate mv2 by default

Maybe someday this can be better supported. For now, default to deprecating
so apps using this package don't need to handle deprecation and
communicating that to users.

Author: samuelmaddock

packages/electron-chrome-web-store/src/browser/api.ts

@@ -59,7 +59,7 @@ function getExtensionInstallStatus(
   }
 
   if (manifest) {
-    if (manifest.manifest_version < 2) {
+    if (manifest.manifest_version < state.minimumManifestVersion) {
       return ExtensionInstallStatus.DEPRECATED_MANIFEST_VERSION
     }
   }
@@ -268,7 +268,9 @@ export function registerWebStoreApi(webStoreState: WebStoreState) {
   })
 
   handle('chromeWebstore.getMV2DeprecationStatus', async () => {
-    return MV2DeprecationStatus.INACTIVE
+    return webStoreState.minimumManifestVersion > 2
+      ? MV2DeprecationStatus.SOFT_DISABLE
+      : MV2DeprecationStatus.INACTIVE
   })
 
   handle('chromeWebstore.getReferrerChain', async () => {

packages/electron-chrome-web-store/src/browser/index.ts

@@ -56,6 +56,12 @@ interface ElectronChromeWebStoreOptions {
    */
   autoUpdate?: boolean
 
+  /**
+   * Minimum supported version of Chrome extensions.
+   * Defaults to 3.
+   */
+  minimumManifestVersion?: number
+
   beforeInstall?: BeforeInstall
 }
 
@@ -72,6 +78,8 @@ export async function installChromeWebStore(opts: ElectronChromeWebStoreOptions
   const allowUnpackedExtensions =
     typeof opts.allowUnpackedExtensions === 'boolean' ? opts.allowUnpackedExtensions : false
   const autoUpdate = typeof opts.autoUpdate === 'boolean' ? opts.autoUpdate : true
+  const minimumManifestVersion =
+    typeof opts.minimumManifestVersion === 'number' ? opts.minimumManifestVersion : 3
   const beforeInstall = typeof opts.beforeInstall === 'function' ? opts.beforeInstall : undefined
 
   const webStoreState: WebStoreState = {
@@ -80,6 +88,7 @@ export async function installChromeWebStore(opts: ElectronChromeWebStoreOptions
     installing: new Set(),
     allowlist: opts.allowlist ? new Set(opts.allowlist) : undefined,
     denylist: opts.denylist ? new Set(opts.denylist) : undefined,
+    minimumManifestVersion,
     beforeInstall,
   }
 

packages/electron-chrome-web-store/src/browser/types.ts

@@ -19,5 +19,6 @@ export interface WebStoreState {
   installing: Set<ExtensionId>
   allowlist?: Set<ExtensionId>
   denylist?: Set<ExtensionId>
+  minimumManifestVersion: number
   beforeInstall?: BeforeInstall
 }