Improves extensions (#872)

* Improves extensions

* Adds versions

Author: arcanis

.yarn/versions/1644cb2b.yml

@@ -0,0 +1,21 @@
+releases:
+  "@yarnpkg/cli": prerelease
+  "@yarnpkg/plugin-compat": prerelease
+
+declined:
+  - "@yarnpkg/plugin-constraints"
+  - "@yarnpkg/plugin-dlx"
+  - "@yarnpkg/plugin-essentials"
+  - "@yarnpkg/plugin-init"
+  - "@yarnpkg/plugin-interactive-tools"
+  - "@yarnpkg/plugin-node-modules"
+  - "@yarnpkg/plugin-npm-cli"
+  - "@yarnpkg/plugin-pack"
+  - "@yarnpkg/plugin-patch"
+  - "@yarnpkg/plugin-pnp"
+  - "@yarnpkg/plugin-stage"
+  - "@yarnpkg/plugin-typescript"
+  - "@yarnpkg/plugin-version"
+  - "@yarnpkg/plugin-workspace-tools"
+  - "@yarnpkg/core"
+  - "@yarnpkg/doctor"

packages/plugin-compat/sources/extensions.ts

@@ -6,15 +6,23 @@ export const packageExtensions: Array<[string, any]> = [
   // https://github.com/SamVerschueren/stream-to-observable/pull/5
   [`@samverschueren/stream-to-observable@*`, {
     peerDependenciesMeta: {
-      [`rxjs`]: `*`,
-      [`zenObservable`]: `*`,
+      [`rxjs`]: {
+        optional: true,
+      },
+      [`zenObservable`]: {
+        optional: true,
+      },
     },
   }],
   // https://github.com/sindresorhus/any-observable/pull/25
   [`any-observable@*`, {
     peerDependenciesMeta: {
-      [`rxjs`]: `*`,
-      [`zenObservable`]: `*`,
+      [`rxjs`]: {
+        optional: true,
+      },
+      [`zenObservable`]: {
+        optional: true,
+      },
     },
   }],
   // https://github.com/keymetrics/pm2-io-agent/pull/125
@@ -23,4 +31,12 @@ export const packageExtensions: Array<[string, any]> = [
       [`debug`]: `*`,
     },
   }],
+  // https://github.com/visionmedia/debug/pull/727
+  [`debug@*`, {
+    peerDependenciesMeta: {
+      [`supports-color`]: {
+        optional: true,
+      },
+    },
+  }],
 ];