fix(default-reporter): use loglevel to filter deprecation warnings (#4507)

close #4343

Co-authored-by: Zoltan Kochan <z@kochan.io>

.changeset/thirty-pigs-jump.md

@@ -0,0 +1,8 @@
+---
+"@pnpm/default-reporter": patch
+"pnpm": patch
+---
+
+Hide "WARN deprecated" messages on loglevel error [#4507](https://github.com/pnpm/pnpm/pull/4507)
+
+Don't show the progress bar when loglevel is set to warn or error.

packages/default-reporter/src/reporterForClient/index.ts

@@ -9,7 +9,7 @@ import reportDeprecations from './reportDeprecations'
 import reportHooks from './reportHooks'
 import reportInstallChecks from './reportInstallChecks'
 import reportLifecycleScripts from './reportLifecycleScripts'
-import reportMisc from './reportMisc'
+import reportMisc, { LOG_LEVEL_NUMBER } from './reportMisc'
 import reportPeerDependencyIssues from './reportPeerDependencyIssues'
 import reportProgress from './reportProgress'
 import reportRequestRetry from './reportRequestRetry'
@@ -64,18 +64,12 @@ export default function (
     : undefined
 
   const outputs: Array<Rx.Observable<Rx.Observable<{msg: string}>>> = [
-    reportProgress(log$, {
-      cwd,
-      throttle,
-    }),
-    reportPeerDependencyIssues(log$),
     reportLifecycleScripts(log$, {
       appendOnly: opts.appendOnly === true || opts.streamLifecycleOutput,
       aggregateOutput: opts.aggregateOutput,
       cwd,
       width,
     }),
-    reportDeprecations(log$.deprecation, { cwd, isRecursive: opts.isRecursive }),
     reportMisc(
       log$,
       {
@@ -86,12 +80,6 @@ export default function (
         zoomOutCurrent: opts.isRecursive,
       }
     ),
-    ...reportStats(log$, {
-      cmd: opts.cmd,
-      cwd,
-      isRecursive: opts.isRecursive,
-      width,
-    }),
     reportInstallChecks(log$.installCheck, { cwd }),
     reportRequestRetry(log$.requestRetry),
     reportScope(log$.scope, { isRecursive: opts.isRecursive, cmd: opts.cmd }),
@@ -101,6 +89,31 @@ export default function (
     reportUpdateCheck(log$.updateCheck),
   ]
 
+  // logLevelNumber: 0123 = error warn info debug
+  const logLevelNumber = LOG_LEVEL_NUMBER[opts.logLevel ?? 'info'] ?? LOG_LEVEL_NUMBER['info']
+
+  if (logLevelNumber >= LOG_LEVEL_NUMBER.warn) {
+    outputs.push(
+      reportPeerDependencyIssues(log$),
+      reportDeprecations(log$.deprecation, { cwd, isRecursive: opts.isRecursive })
+    )
+  }
+
+  if (logLevelNumber >= LOG_LEVEL_NUMBER.info) {
+    outputs.push(
+      reportProgress(log$, {
+        cwd,
+        throttle,
+      }),
+      ...reportStats(log$, {
+        cmd: opts.cmd,
+        cwd,
+        isRecursive: opts.isRecursive,
+        width,
+      })
+    )
+  }
+
   if (!opts.appendOnly) {
     outputs.push(reportBigTarballsProgress(log$))
   }

packages/default-reporter/src/reporterForClient/reportMisc.ts

@@ -9,7 +9,7 @@ import formatWarn from './utils/formatWarn'
 import { autozoom } from './utils/zooming'
 
 // eslint-disable:object-literal-sort-keys
-const LOG_LEVEL_NUMBER: Record<LogLevel, number> = {
+export const LOG_LEVEL_NUMBER: Record<LogLevel, number> = {
   error: 0,
   warn: 1,
   info: 2,

packages/default-reporter/test/index.ts

@@ -5,6 +5,7 @@ import {
   deprecationLogger,
   hookLogger,
   packageManifestLogger,
+  peerDependencyIssuesLogger,
   rootLogger,
   skippedOptionalDependencyLogger,
   statsLogger,
@@ -210,6 +211,66 @@ ${ADD} is-linked2 ${chalk.grey(`<- ${path.relative(prefix, '/src/is-linked2')}`)
   })
 })
 
+test('does not print deprecation message when log level is set to error', (done) => {
+  const prefix = '/home/jane/project'
+  const output$ = toOutput$({
+    context: {
+      argv: ['install'],
+      config: { dir: prefix } as Config,
+    },
+    reportingOptions: {
+      logLevel: 'error',
+    },
+    streamParser: createStreamParser(),
+  })
+
+  peerDependencyIssuesLogger.debug({
+    issuesByProjects: {
+      '.': {
+        missing: {},
+        bad: {
+          a: [
+            {
+              parents: [
+                {
+                  name: 'b',
+                  version: '1.0.0',
+                },
+              ],
+              foundVersion: '2',
+              resolvedFrom: [],
+              optional: false,
+              wantedRange: '3',
+            },
+          ],
+        },
+        conflicts: [],
+        intersections: {},
+      },
+    },
+  })
+  deprecationLogger.debug({
+    deprecated: 'This package was deprecated because bla bla bla',
+    depth: 0,
+    pkgId: 'registry.npmjs.org/bar/2.0.0',
+    pkgName: 'bar',
+    pkgVersion: '2.0.0',
+    prefix,
+  })
+  const err = new PnpmError('SOME_CODE', 'some error')
+  logger.error(err, err)
+
+  expect.assertions(1)
+
+  output$.pipe(take(1), map(normalizeNewline)).subscribe({
+    complete: () => done(),
+    error: done,
+    next: output => {
+      expect(output).toBe(formatError('ERR_PNPM_SOME_CODE', 'some error'))
+    },
+  })
+})
+
 test('prints summary for global installation', (done) => {
   const prefix = '/home/jane/.nvs/node/10.0.0/x64/pnpm-global/1'
   const output$ = toOutput$({