Add run_install input

src/inputs/index.ts

@@ -1,11 +1,25 @@
 import { getInput, InputOptions } from '@actions/core'
 import expandTilde from 'expand-tilde'
+import { safeLoad } from 'js-yaml'
+
+interface RunInstall {
+  readonly recursive?: boolean
+  readonly cwd?: string
+  readonly args?: readonly string[]
+}
+
+type RunInstallInput =
+  | null
+  | boolean
+  | RunInstall
+  | RunInstall[]
 
 export interface Inputs {
   readonly version: string
   readonly dest: string
   readonly binDest: string
   readonly registry: string
+  readonly runInstall: RunInstall[]
 }
 
 const options: InputOptions = {
@@ -14,11 +28,20 @@ const options: InputOptions = {
 
 const parseInputPath = (name: string) => expandTilde(getInput(name, options))
 
+function parseRunInstall(name: string): RunInstall[] {
+  const result: RunInstallInput = safeLoad(getInput(name, options))
+  if (!result) return []
+  if (result === true) return [{ recursive: true }]
+  if (Array.isArray(result)) return result
+  return [result]
+}
+
 export const getInputs = (): Inputs => ({
   version: getInput('version', options),
   dest: parseInputPath('dest'),
   binDest: parseInputPath('bin_dest'),
   registry: getInput('registry', options),
+  runInstall: parseRunInstall('run_install'),
 })
 
 export default getInputs