feat: let --npm-v7 flag be applied to regular repos

README.md

@@ -70,7 +70,7 @@ success Already up-to-date.
 |`--only` | Set package [updating scope](https://docs.npmjs.com/cli/audit): `dev`/`prod`
 |`--force` | Have audit fix install semver-major updates to toplevel dependencies, not just semver-compatible ones | false
 |`--audit-level` | Include a vulnerability with a level as defined or higher. Supported values: low, moderate, high, critical | low
-|`--npm-v7` | Use the latest `[email protected]` version. Applicable to monorepos only | false 
+|`--npm-v7` | Use the latest `[email protected]` version. Recommended for monorepos | false 
 
 ## Troubleshooting
 ### enoent: no such file or directory

src/main/ts/index.ts

@@ -85,7 +85,7 @@ const yarnLockToPkgLock: TCallback = ({temp}) => {
  */
 const npmAuditFix: TCallback = ({temp, flags, cwd, manifest}) => {
   const requireNpmBeta = !!manifest.workspaces
-  const npm = getNpm(requireNpmBeta, flags['npm-v7'])
+  const npm = getNpm(requireNpmBeta, flags['npm-v7'], flags.silent)
   const defaultFlags = {
     'package-lock-only': true,
   }

src/main/ts/util.ts

@@ -64,10 +64,14 @@ export const getClosestNpm = (cmd: string): string => {
   }, {cwd: pkgRoot}) + ''
 }
 
-export const getNpm = (requireNpmBeta?: boolean, allowNpmBeta?: boolean, isWin = isWindows()) => {
+export const getNpm = (requireNpmBeta?: boolean, allowNpmBeta?: boolean, silent = false, isWin = isWindows()) => {
   const cmd = isWin ? 'npm.cmd' : 'npm'
 
-  return requireNpmBeta && allowNpmBeta
+  if (requireNpmBeta && !allowNpmBeta && !silent) {
+    console.warn('The project looks like monorepo, so it is recommended to use `--npm-v7` flag')
+  }
+
+  return allowNpmBeta
     ? getClosestNpm(cmd)
     : cmd
 }

src/test/ts/util.ts

@@ -57,14 +57,15 @@ describe('util', () => {
     it('properly resolves npm ref', () => {
       const cmd = isWindows() ? 'npm.cmd' : 'npm'
       const localNpm = resolve(__dirname, '../../../node_modules/.bin', cmd)
-      const cases: [boolean, boolean, string][] = [
-        [true, true, localNpm],
-        [true, false, cmd],
-        [false, true, cmd],
+      const cases: [boolean, boolean, boolean, string][] = [
+        [true, true, true, localNpm],
+        [false, true, true, localNpm],
+        [true, false, true, cmd],
+        [false, false, true, cmd],
       ]
 
-      cases.forEach(([requireNpm7, allowNpm7, result]) => {
-        expect(getNpm(requireNpm7, allowNpm7)).toBe(result)
+      cases.forEach(([requireNpm7, allowNpm7, silent, result]) => {
+        expect(getNpm(requireNpm7, allowNpm7, silent)).toBe(result)
       })
 
     })