feat(action) add option to run custom package.json script (#8)

.changes/custom-script.md

@@ -0,0 +1,5 @@
+---
+"action": patch
+---
+
+Adds an option to run a custom package.json script with the `npmScript` input.

README.md

@@ -72,6 +72,7 @@ jobs:
 | `releaseCommitish` |  false   | Any branch or commit SHA the Git tag is created from, unused if the Git tag already exists  | string | SHA of current commit |
 | `iconPath`         |  false   | path to the PNG icon to use as app icon, relative to the projectPath                        | string |                       |
 | `includeDebug`     |  false   | whether to include a debug build or not                                                     | bool   |                       |
+| `npmScript`        |  false   | the package.json script to run to build the Tauri app                                       | string |                       |
 
 ## Outputs
 

action.yml

@@ -28,6 +28,8 @@ inputs:
     description: 'path to the PNG icon to use as app icon, relative to the projectPath'
   includeDebug:
     description: 'whether to include a debug build or not'
+  npmScript:
+    description: 'the package.json script to run to build the Tauri app'
 outputs:
   releaseId:
     description: 'The ID of the created release'

src/main.ts

@@ -57,13 +57,17 @@ interface BuildOptions {
   configPath: string | null
   distPath: string | null
   iconPath: string | null
+  npmScript: string | null
 }
 
-async function buildProject(root: string, debug: boolean, { configPath, distPath, iconPath }: BuildOptions): Promise<string[]> {
+async function buildProject(root: string, debug: boolean, { configPath, distPath, iconPath, npmScript }: BuildOptions): Promise<string[]> {
   return new Promise<string>((resolve) => {
     if (hasTauriDependency(root)) {
-      const runner = usesYarn(root) ? 'yarn tauri' : 'npx tauri'
-      resolve(runner)
+      if (npmScript) {
+        resolve(usesYarn(root) ? `yarn ${npmScript}` : `npm run ${npmScript}`)
+      } else {
+        resolve(usesYarn(root) ? 'yarn tauri' : 'npx tauri')
+      }
     } else {
       execCommand('npm install -g tauri', { cwd: undefined }).then(() => resolve('tauri'))
     }
@@ -151,6 +155,7 @@ async function run(): Promise<void> {
     const distPath = core.getInput('distPath')
     const iconPath = core.getInput('iconPath')
     const includeDebug = core.getInput('includeDebug') === 'true'
+    const npmScript = core.getInput('npmScript')
 
     let tagName = core.getInput('tagName').replace('refs/tags/', '')
     let releaseName = core.getInput('releaseName').replace('refs/tags/', '')
@@ -163,7 +168,7 @@ async function run(): Promise<void> {
       throw new Error('`tag` is required along with `releaseName` when creating a release.')
     }
 
-    const options = { configPath: existsSync(configPath) ? configPath : null, distPath, iconPath }
+    const options: BuildOptions = { configPath: existsSync(configPath) ? configPath : null, distPath, iconPath, npmScript }
     const artifacts = await buildProject(projectPath, false, options)
     if (includeDebug) {
       const debugArtifacts = await buildProject(projectPath, true, options)