bun: Add defaultPrefix.

raineorshine · raineorshine · commit 1fa33727bb4e · 2023-09-13T13:49:31.000Z
diff --git a/src/index.ts b/src/index.ts
@@ -287,7 +287,9 @@ export async function run(
   }
 
   if (!options.prefix) {
-    options.prefix = await packageManagers[options.packageManager === 'yarn' ? 'yarn' : 'npm'].defaultPrefix!(options)
+    const defaultPrefix =
+      packageManagers[options.packageManager || 'npm'].defaultPrefix || packageManagers.npm.defaultPrefix!
+    options.prefix = await defaultPrefix(options)
   }
 
   let timeout: NodeJS.Timeout | undefined
diff --git a/src/package-managers/bun.ts b/src/package-managers/bun.ts
@@ -1,4 +1,5 @@
 import { Options } from 'pacote'
+import path from 'path'
 import spawn from 'spawn-please'
 import keyValueBy from '../lib/keyValueBy'
 import programError from '../lib/programError'
@@ -28,6 +29,18 @@ async function spawnBun(
 
   return spawn('bun', fullArgs, spawnOptions)
 }
+
+/** Returns the global directory of bun. */
+export const defaultPrefix = async (options: Options): Promise<string> => {
+  if (options.prefix) {
+    return options.prefix
+  } else if (process.env.BUN_INSTALL) {
+    return process.env.BUN_INSTALL
+  }
+  const bin = await spawn('bun', ['pm', '-g', 'bin'])
+  return path.dirname(bin)
+}
+
 /**
  * (Bun) Fetches the list of all installed packages.
  */

Original file line number	Diff line number	Diff line change
`@@ -287,7 +287,9 @@ export async function run(`
`287`	`287`	`}`
`288`	`288`
`289`	`289`	`if (!options.prefix) {`
`290`		`- options.prefix = await packageManagers[options.packageManager === 'yarn' ? 'yarn' : 'npm'].defaultPrefix!(options)`
	`290`	`+ const defaultPrefix =`
	`291`	`+ packageManagers[options.packageManager \|\| 'npm'].defaultPrefix \|\| packageManagers.npm.defaultPrefix!`
	`292`	`+ options.prefix = await defaultPrefix(options)`
`291`	`293`	`}`
`292`	`294`
`293`	`295`	`let timeout: NodeJS.Timeout \| undefined`