feat: support on browsers

Author: sxzz

package.json

@@ -15,7 +15,7 @@
     "url": "https://github.com/cacjs/cac/issues"
   },
   "exports": {
-    ".": "./dist/index.mjs",
+    ".": "./dist/index.js",
     "./package.json": "./package.json"
   },
   "files": [

src/cac.ts

@@ -6,7 +6,7 @@ import {
   type CommandExample,
   type HelpCallback,
 } from './command.ts'
-import { processArgs } from './node.ts'
+import { runtimeProcessArgs } from './runtime.ts'
 import {
   camelcaseOptionName,
   getFileName,
@@ -172,14 +172,23 @@ export class CAC extends EventTarget {
    * Parse argv
    */
   parse(
-    argv: string[] = processArgs,
+    argv?: string[],
     {
       run = true,
     }: {
       /** Whether to run the action for matched command */
       run?: boolean | undefined
     } = {},
   ): ParsedArgv {
+    if (!argv) {
+      if (!runtimeProcessArgs) {
+        throw new Error(
+          'No argv provided and runtime process argv is not available.',
+        )
+      }
+      argv = runtimeProcessArgs
+    }
+
     this.rawArgs = argv
     if (!this.name) {
       this.name = argv[1] ? getFileName(argv[1]) : 'cli'

src/command.ts

@@ -1,4 +1,4 @@
-import { platformInfo } from './node.ts'
+import { runtimeInfo } from './runtime.ts'
 import { Option, type OptionConfig } from './option.ts'
 import {
   CACError,
@@ -251,7 +251,7 @@ export class Command {
     const { name } = this.cli
     const { versionNumber } = this.cli.globalCommand
     if (versionNumber) {
-      console.info(`${name}/${versionNumber} ${platformInfo}`)
+      console.info(`${name}/${versionNumber} ${runtimeInfo}`)
     }
   }
 

src/node.ts

@@ -0,0 +1,20 @@
+/* eslint-disable import/no-mutable-exports */
+export let runtimeProcessArgs: string[] | undefined
+export let runtimeInfo: string
+
+if (typeof process !== 'undefined') {
+  let runtimeName: string
+  if (typeof Deno !== 'undefined' && typeof Deno.version?.deno === 'string') {
+    runtimeName = 'deno'
+  } else if (typeof Bun !== 'undefined' && typeof Bun.version === 'string') {
+    runtimeName = 'bun'
+  } else {
+    runtimeName = 'node'
+  }
+  runtimeInfo = `${process.platform}-${process.arch} ${runtimeName}-${process.version}`
+  runtimeProcessArgs = process.argv
+} else if (typeof navigator === 'undefined') {
+  runtimeInfo = `unknown`
+} else {
+  runtimeInfo = `${navigator.platform} ${navigator.userAgent}`
+}

src/runtime.ts

@@ -1,6 +1,6 @@
-import { nodeLib } from 'tsdown-preset-sxzz'
+import { lib } from 'tsdown-preset-sxzz'
 
-export default nodeLib(
+export default lib(
   {
     inlineDeps: ['mri'],
   },