fix(plausible): honor scriptInput.src in bundle.resolve for self-hosted (#775)

Author: harlan-zw

packages/script/src/registry.ts

@@ -301,6 +301,11 @@ export async function registry(resolve?: (path: string) => Promise<string>): Pro
 envDefaults: {domain: ''},
 bundle: {
 resolve: (options?: PlausibleAnalyticsInput)=>{
+// Self-hosted Plausible: when a custom `scriptInput.src` is provided,
+// bundle from that origin instead of the default plausible.io CDN.
+constuserSrc=(optionsasany)?.scriptInput?.src
+if(typeofuserSrc==='string'&&userSrc.trim().length>0)
+returnuserSrc.trim()
 if(options?.scriptId)
 return`https://plausible.io/js/pa-${options.scriptId}.js`
 constextensions=Array.isArray(options?.extension) ? options.extension.join('.') : [options?.extension]

test/unit/plausible-bundle-resolve.test.ts

@@ -0,0 +1,40 @@
+import{describe,expect,it}from'vitest'
+import{getBundleResolve,registry}from'../../packages/script/src/registry'
+
+asyncfunctiongetPlausibleResolve(){
+constall=awaitregistry()
+constscript=all.find(s=>s.registryKey==='plausibleAnalytics')!
+constresolve=getBundleResolve(script)
+if(!resolve)
+thrownewError('plausibleAnalytics bundle.resolve missing')
+returnresolve
+}
+
+describe('plausibleAnalytics bundle.resolve',()=>{
+it('returns default plausible.io URL with scriptId',async()=>{
+constresolve=awaitgetPlausibleResolve()
+expect(resolve({scriptId: 'abc123'}asany)).toBe('https://plausible.io/js/pa-abc123.js')
+})
+
+it('returns default plausible.io URL with legacy extension',async()=>{
+constresolve=awaitgetPlausibleResolve()
+expect(resolve({extension: 'hash'}asany)).toBe('https://plausible.io/js/script.hash.js')
+})
+
+it('returns default basic plausible.io URL with no options',async()=>{
+constresolve=awaitgetPlausibleResolve()
+expect(resolve(undefined)).toBe('https://plausible.io/js/script.js')
+})
+
+it('honors user-supplied scriptInput.src for self-hosted Plausible',async()=>{
+// Regression test for https://github.com/nuxt/scripts/issues/768
+constresolve=awaitgetPlausibleResolve()
+constselfHosted='https://my-self-hosted-plausible.io/js/script.js'
+expect(
+resolve({scriptId: 'abc123',scriptInput: {src: selfHosted}}asany),
+).toBe(selfHosted)
+expect(
+resolve({scriptInput: {src: selfHosted}}asany),
+).toBe(selfHosted)
+})
+})