feat: support positionals in node

package.json

@@ -45,6 +45,7 @@
     "webpack-http-server": "^0.5.0"
   },
   "dependencies": {
-    "is-node-process": "^1.2.0"
+    "is-node-process": "^1.2.0",
+    "outvariant": "^1.4.0"
   }
 }

src/index.ts

@@ -1,4 +1,5 @@
 import { isNodeProcess } from 'is-node-process'
+import { format } from 'outvariant'
 import * as colors from './colors'
 
 const IS_NODE = isNodeProcess()
@@ -259,7 +260,7 @@ const noop = () => void 0
 
 function log(message: string, ...positionals: Array<unknown>): void {
   if (IS_NODE) {
-    process.stdout.write(message + '\n')
+    process.stdout.write(format(message, ...positionals) + '\n')
     return
   }
 
@@ -268,7 +269,7 @@ function log(message: string, ...positionals: Array<unknown>): void {
 
 function warn(message: string, ...positionals: Array<unknown>): void {
   if (IS_NODE) {
-    process.stderr.write(message + '\n')
+    process.stderr.write(format(message, ...positionals) + '\n')
     return
   }
 
@@ -277,7 +278,7 @@ function warn(message: string, ...positionals: Array<unknown>): void {
 
 function error(message: string, ...positionals: Array<unknown>): void {
   if (IS_NODE) {
-    process.stderr.write(message + '\n')
+    process.stderr.write(format(message, ...positionals) + '\n')
     return
   }
 

test/node/Logger.test.ts

@@ -67,3 +67,36 @@ it('prints an error message', () => {
     `${colors.red('12:34:56:789')} ${colors.red('✖ [parser]')} oops\n`
   )
 })
+
+it('supports positionals', () => {
+  logger.debug('hello %s', 'world')
+  expect(process.stdout.write).toHaveBeenCalledWith(
+    `${colors.gray('12:34:56:789')} ${colors.gray('[parser]')} ${colors.gray(
+      'hello world'
+    )}\n`
+  )
+
+  logger.info('hello %s', 'world')
+  expect(process.stdout.write).toHaveBeenCalledWith(
+    `${colors.gray('12:34:56:789')} ${colors.blue('[parser]')} hello world\n`
+  )
+
+  logger.success('hello %s', 'world')
+  expect(process.stdout.write).toHaveBeenCalledWith(
+    `${colors.green('12:34:56:789')} ${colors.green(
+      '✔ [parser]'
+    )} hello world\n`
+  )
+
+  logger.warning('hello %s', 'world')
+  expect(process.stderr.write).toHaveBeenCalledWith(
+    `${colors.yellow('12:34:56:789')} ${colors.yellow(
+      '⚠ [parser]'
+    )} hello world\n`
+  )
+
+  logger.error('hello %s', 'world')
+  expect(process.stderr.write).toHaveBeenCalledWith(
+    `${colors.red('12:34:56:789')} ${colors.red('✖ [parser]')} hello world\n`
+  )
+})