feat: support next as release type (#15)

Co-authored-by: Anthony Fu <github@antfu.me>
Co-authored-by: Anthony Fu <anthonyfu117@hotmail.com>

package.json

@@ -55,7 +55,8 @@
     "upgrade": "npm-check -u && npm audit fix",
     "bumpp": "esno src/cli/run.ts",
     "prepublishOnly": "npm run clean && npm run build",
-    "release": "npm run bumpp && npm publish"
+    "release": "npm run bumpp && npm publish",
+    "typecheck": "tsc --noEmit"
   },
   "dependencies": {
     "@jsdevtools/ez-spawn": "^3.0.4",

src/get-new-version.ts

@@ -36,7 +36,12 @@ export async function getNewVersion(operation: Operation): Promise<Operation> {
  */
 function getNextVersion(oldVersion: string, bump: BumpRelease): string {
   const oldSemVer = new SemVer(oldVersion)
-  const newSemVer = oldSemVer.inc(bump.type as any, bump.preid)
+
+  const type = bump.type === 'next'
+    ? oldSemVer.prerelease.length ? 'prerelease' : 'patch'
+    : bump.type
+
+  const newSemVer = oldSemVer.inc(type, bump.preid)
 
   if (
     isPrerelease(bump.type)
@@ -58,19 +63,15 @@ function getNextVersion(oldVersion: string, bump: BumpRelease): string {
 /**
  * Returns the next version number for all release types.
  */
-function getNextVersions(oldVersion: string, preid: string): Record<ReleaseType | 'next', string> {
+function getNextVersions(oldVersion: string, preid: string): Record<ReleaseType, string> {
   const next: Record<string, string> = {}
 
   const parse = semver.parse(oldVersion)
   if (typeof parse?.prerelease[0] === 'string')
     preid = parse?.prerelease[0] || 'preid'
 
   for (const type of releaseTypes)
-    next[type] = semver.inc(oldVersion, type, preid)!
-
-  next.next = parse?.prerelease?.length
-    ? semver.inc(oldVersion, 'prerelease', preid)!
-    : semver.inc(oldVersion, 'patch')!
+    next[type] = getNextVersion(oldVersion, { type, preid })
 
   return next
 }
@@ -121,7 +122,7 @@ async function promptForNewVersion(operation: Operation): Promise<Operation> {
       },
     },
   ]) as {
-    release: ReleaseType | 'next' | 'none' | 'custom' | 'config'
+    release: ReleaseType | 'none' | 'custom' | 'config'
     custom?: string
   }
 

src/manifest.ts

@@ -34,12 +34,9 @@ export function isManifest(obj: any): obj is Manifest {
  * Determines whether the specified manifest is package-lock.json
  */
 export function isPackageLockManifest(
-  manifest: Manifest
+  manifest: Manifest,
 ): manifest is PackageLockManifest {
-  return (
-    typeof (manifest as PackageLockManifest).packages?.['']?.version ===
-    'string'
-  )
+  return (typeof (manifest as PackageLockManifest).packages?.['']?.version === 'string')
 }
 
 /**

src/normalize-options.ts

@@ -78,7 +78,7 @@ export async function normalizeOptions(raw: VersionBumpOptions): Promise<Normali
   if (!raw.release || raw.release === 'prompt')
     release = { type: 'prompt', preid }
 
-  else if (isReleaseType(raw.release))
+  else if (isReleaseType(raw.release) || raw.release === 'next')
     release = { type: raw.release, preid }
 
   else

src/release-type.ts

@@ -1,6 +1,6 @@
-import type { ReleaseType } from 'semver'
+import type { ReleaseType as SemverReleaseType } from 'semver'
 
-export type { ReleaseType }
+export type ReleaseType = SemverReleaseType | 'next'
 
 /**
  * The different types of pre-releases.
@@ -10,7 +10,7 @@ export const prereleaseTypes: ReleaseType[] = ['premajor', 'preminor', 'prepatch
 /**
  * All possible release types.
  */
-export const releaseTypes: ReleaseType[] = prereleaseTypes.concat(['major', 'minor', 'patch'])
+export const releaseTypes: ReleaseType[] = prereleaseTypes.concat(['major', 'minor', 'patch', 'next'])
 
 /**
  * Determines whether the specified value is a pre-release.

src/types/version-bump-options.ts

@@ -110,7 +110,7 @@ export interface VersionBumpOptions {
   /**
    * A callback that is provides information about the progress of the `versionBump()` function.
    */
-  progress?(progress: VersionBumpProgress): void
+  progress?: (progress: VersionBumpProgress) => void
 
   /**
    * Excute additional command after bumping and before commiting

src/update-files.ts

@@ -68,9 +68,9 @@ async function updateManifestFile(relPath: string, operation: Operation): Promis
 
   if (isManifest(file.data) && file.data.version !== newVersion) {
     file.data.version = newVersion
-    if (isPackageLockManifest(file.data)) {
+    if (isPackageLockManifest(file.data))
       file.data.packages[''].version = newVersion
-    }
+
     await writeJsonFile(file)
     modified = true
   }