feat: add missing ls/list conversion

src/index.ts

@@ -8,7 +8,7 @@ import {
 // keys are NPM, vals are Yarn
 
 interface Indexable {
-  [index: string]: string | Function
+  [index: string]: string | ((command: string) => string)
 }
 
 var npmToYarnTable: Indexable = {
@@ -63,7 +63,37 @@ var npmToYarnTable: Indexable = {
       }
     )
   },
-  ls: 'why',
+  ls: function (command: string) {
+    return command.replace(/^(ls|list)(.*)$/, function (_1, _2: string, args: string): string {
+      var result = 'list'
+      if (args) {
+        var ended = false
+        var packages = []
+        var items = args.split(' ').filter(Boolean)
+        for (var item of items) {
+          if (ended) {
+            result += ' ' + item
+          } else if (item.startsWith('-')) {
+            result += ' --pattern "' + packages.join('|') + '"'
+            packages = []
+            ended = true
+            result += ' ' + item
+          } else {
+            packages.push(item)
+          }
+        }
+        if (packages.length > 0) {
+          result += ' --pattern "' + packages.join('|') + '"'
+        }
+        return result
+      } else {
+        return 'list'
+      }
+    })
+  },
+  list: function (command: string) {
+    return (npmToYarnTable.ls as Function)(command)
+  },
   init: function (command: string) {
     if (/^init (?!-).*$/.test(command)) {
       return command.replace('init', 'create')
@@ -120,7 +150,13 @@ var yarnToNpmTable: Indexable = {
     return command.replace(/--(major|minor|patch)/, '$1')
   },
   install: 'install',
-  why: 'ls',
+  list: function (command: string) {
+    return command
+      .replace(/--pattern ["']([^"']+)["']/, function (_, packages: string) {
+        return packages.split('|').join(' ')
+      })
+      .replace(/^list/, 'ls')
+  },
   init: 'init',
   create: 'init',
   run: 'run',

src/utils.ts

@@ -49,7 +49,6 @@ export var uniqueYarnCLICommands = [
   'info',
   'licenses',
   'link',
-  'list',
   'lockfile',
   'policies',
   'remove',
@@ -60,6 +59,7 @@ export var uniqueYarnCLICommands = [
   'upgrade',
   'upgrade-interactive',
   'versions',
+  'why',
   'workspace',
   'workspaces'
 ]
@@ -92,6 +92,7 @@ export var npmCLICommands = [
   'install-test',
   'install',
   'ls',
+  'list',
   'npm',
   'org',
   'outdated',

test/index.spec.ts

@@ -64,6 +64,32 @@ describe('NPM to Yarn tests', () => {
     // with args
     expect(convert('npm run custom -- --version', 'yarn')).toEqual('yarn custom --version')
   })
+
+  it('npm list', () => {
+    expect(convert('npm list', 'yarn')).toEqual('yarn list')
+    expect(convert('npm list package', 'yarn')).toEqual('yarn list --pattern "package"')
+    expect(convert('npm list package package2', 'yarn')).toEqual(
+      'yarn list --pattern "package|package2"'
+    )
+    expect(convert('npm list @scope/package @scope/package2', 'yarn')).toEqual(
+      'yarn list --pattern "@scope/package|@scope/package2"'
+    )
+    expect(convert('npm list @scope/package @scope/package2 --depth=2', 'yarn')).toEqual(
+      'yarn list --pattern "@scope/package|@scope/package2" --depth=2'
+    )
+    // alias
+    expect(convert('npm ls', 'yarn')).toEqual('yarn list')
+    expect(convert('npm ls package', 'yarn')).toEqual('yarn list --pattern "package"')
+    expect(convert('npm ls package package2', 'yarn')).toEqual(
+      'yarn list --pattern "package|package2"'
+    )
+    expect(convert('npm ls @scope/package @scope/package2', 'yarn')).toEqual(
+      'yarn list --pattern "@scope/package|@scope/package2"'
+    )
+    expect(convert('npm ls @scope/package @scope/package2 --depth=2', 'yarn')).toEqual(
+      'yarn list --pattern "@scope/package|@scope/package2" --depth=2'
+    )
+  })
 })
 
 describe('Yarn to NPM tests', () => {
@@ -152,4 +178,15 @@ describe('Yarn to NPM tests', () => {
     expect(convert('yarn run custom --version', 'npm')).toEqual('npm run custom --version')
     expect(convert('yarn run custom -- --version', 'npm')).toEqual('npm run custom -- --version')
   })
+
+  it('yarn list', () => {
+    expect(convert('yarn list', 'npm')).toEqual('npm ls')
+    expect(convert('yarn list --pattern "package"', 'npm')).toEqual('npm ls package')
+    expect(convert('yarn list --pattern "package|package2"', 'npm')).toEqual(
+      'npm ls package package2'
+    )
+    expect(convert('yarn list --pattern "@scope/package|@scope/package2"', 'npm')).toEqual(
+      'npm ls @scope/package @scope/package2'
+    )
+  })
 })