add optional ttlDays parameter

README.md

@@ -17,6 +17,8 @@ export default {
       name: 'test',
       /** custom trust domains */
       domains: ['*.custom.com'],
+      /** optional, days before certificate expires */
+      ttlDays: 30,
       /** custom certification directory */
       certDir: '/Users/.../.devServer/cert',
     }),

src/certificate.ts

@@ -55,8 +55,8 @@ function toPositiveHex(hexString: string) {
 export function createCertificate(
   name: string = 'example.org',
   domains?: string[],
+  ttlDays = 30,
 ): string {
-  const days = 30
   const keySize = 2048
 
   const appendDomains = domains
@@ -146,7 +146,7 @@ export function createCertificate(
 
   cert.validity.notBefore = new Date()
   cert.validity.notAfter = new Date()
-  cert.validity.notAfter.setDate(cert.validity.notBefore.getDate() + days)
+  cert.validity.notAfter.setDate(cert.validity.notBefore.getDate() + ttlDays)
 
   cert.setSubject(attrs)
   cert.setIssuer(attrs)

src/index.ts

@@ -8,6 +8,7 @@ interface Options {
   certDir: string
   domains: string[]
   name: string
+  ttlDays: number
 }
 
 function viteBasicSslPlugin(options?: Partial<Options>): Plugin {
@@ -18,6 +19,7 @@ function viteBasicSslPlugin(options?: Partial<Options>): Plugin {
         options?.certDir ?? (config.cacheDir ?? defaultCacheDir) + '/basic-ssl',
         options?.name,
         options?.domains,
+        options?.ttlDays,
       )
       const https = () => ({ cert: certificate, key: certificate })
       if (config.server.https === undefined || !!config.server.https) {
@@ -34,6 +36,7 @@ export async function getCertificate(
   cacheDir: string,
   name?: string,
   domains?: string[],
+  ttlDays?: number,
 ) {
   const cachePath = path.join(cacheDir, '_cert.pem')
 
@@ -52,6 +55,7 @@ export async function getCertificate(
     const content = (await import('./certificate')).createCertificate(
       name,
       domains,
+      ttlDays,
     )
     fsp
       .mkdir(cacheDir, { recursive: true })