feat: support other package managers

packages/api/package.json

@@ -61,6 +61,7 @@
     "lodash-es": "^4.17.21",
     "oas": "^24.0.0",
     "ora": "^8.0.1",
+    "preferred-pm": "^3.1.3",
     "prompts": "^2.4.2",
     "semver": "^7.3.8",
     "ssri": "^10.0.1",

packages/api/src/codegen/languages/typescript/index.ts

@@ -23,6 +23,7 @@ import corePkg from '@readme/api-core/package.json' assert { type: 'json' };
 import { execa } from 'execa';
 import { getLicense } from 'license';
 import { setWith } from 'lodash-es';
+import preferredPM from 'preferred-pm';
 import semver from 'semver';
 import { IndentationText, Project, QuoteKind, ScriptTarget, VariableDeclarationKind } from 'ts-morph';
 
@@ -79,6 +80,15 @@ function handleExecFailure(err: Error, opts: InstallerOptions = {}) {
   throw err;
 }
 
+async function detectPackageManager(installDir: string) {
+  const pm = await preferredPM(installDir);
+  if (pm) {
+    return pm.name;
+  }
+  // Default to npm if no preferred package manager is detected
+  return 'npm';
+}
+
 export default class TSGenerator extends CodeGenerator {
   project: Project;
 
@@ -152,13 +162,14 @@ export default class TSGenerator extends CodeGenerator {
   // eslint-disable-next-line class-methods-use-this
   async install(storage: Storage, opts: InstallerOptions = {}): Promise<void> {
     const installDir = storage.getIdentifierStorageDir();
+    const packageManager = await detectPackageManager(installDir);
 
-    const npmInstall = ['install', '--save', opts.dryRun ? '--dry-run' : ''].filter(Boolean);
+    const installCommand = ['install', '--save', opts.dryRun ? '--dry-run' : ''].filter(Boolean);
 
     // This will install the installed SDK as a dependency within the current working directory,
     // adding `@api/<sdk identifier>` as a dependency there so you can load it with
     // `require('@api/<sdk identifier>)`.
-    return execa('npm', [...npmInstall, installDir].filter(Boolean))
+    return execa(packageManager, [...installCommand, installDir].filter(Boolean))
       .then(res => handleExecSuccess(res, opts))
       .catch(err => {
         // If `npm install` throws this error it always happens **after** our dependencies have been
@@ -178,9 +189,11 @@ export default class TSGenerator extends CodeGenerator {
 
   static async uninstall(storage: Storage, opts: InstallerOptions = {}): Promise<void> {
     const pkgName = storage.getPackageName() as string;
+    const installDir = storage.getIdentifierStorageDir();
+    const packageManager = await detectPackageManager(installDir);
 
     const args = ['uninstall', pkgName, opts.dryRun ? '--dry-run' : ''].filter(Boolean);
-    return execa('npm', args)
+    return execa(packageManager, args)
       .then(res => handleExecSuccess(res, opts))
       .catch(err => handleExecFailure(err, opts));
   }