- use loose semver parsing to support a wider variety of cases

src/configuration.ts

@@ -50,7 +50,7 @@ export const DefaultConfiguration: Configuration = {
       labels: ['test']
     }
   ], // the categories to support for the ordering
-  ignore_labels: [ "ignore" ], // list of lables being ignored from the changelog
+  ignore_labels: ['ignore'], // list of lables being ignored from the changelog
   transformers: [], // transformers to apply on the PR description according to the `pr_template`
   tag_resolver: {
     // defines the logic on how to resolve the previous tag, only relevant if `fromTag` is not specified

src/tags.ts

@@ -110,7 +110,11 @@ export function sortTags(tags: TagInfo[], tagResolver: TagResolver): TagInfo[] {
 function semVerSorting(tags: TagInfo[]): TagInfo[] {
   // filter out tags which do not follow semver
   const validatedTags = tags.filter(tag => {
-    const isValid = semver.valid(tag.name) !== null
+    const isValid =
+      semver.valid(tag.name, {
+        includePrerelease: true,
+        loose: true
+      }) !== null
     if (!isValid) {
       core.debug(
         `⚠️ dropped tag ${tag.name} because it is not a valid semver tag`
@@ -121,7 +125,10 @@ function semVerSorting(tags: TagInfo[]): TagInfo[] {
 
   // sort using semver
   validatedTags.sort((b, a) => {
-    return new SemVer(a.name).compare(b.name)
+    return new SemVer(a.name, {
+      includePrerelease: true,
+      loose: true
+    }).compare(b.name)
   })
   return validatedTags
 }

src/transform.ts

@@ -42,12 +42,13 @@ export function buildChangelog(
   // bring PRs into the order of categories
   const categorized = new Map<Category, string[]>()
   const categories = config.categories || DefaultConfiguration.categories
-  const ignoredLabels = config.ignore_labels || DefaultConfiguration.ignore_labels
-  
+  const ignoredLabels =
+    config.ignore_labels || DefaultConfiguration.ignore_labels
+
   for (const category of categories) {
     categorized.set(category, [])
   }
-  
+
   const categorizedPrs: string[] = []
   const ignoredPrs: string[] = []
   const uncategorizedPrs: string[] = []
@@ -111,9 +112,7 @@ export function buildChangelog(
   for (const pr of ignoredPrs) {
     changelogIgnored = `${changelogIgnored + pr}\n`
   }
-  core.info(
-    `✒️ Wrote ${ignoredPrs.length} ignored pull requests down`
-  )
+  core.info(`✒️ Wrote ${ignoredPrs.length} ignored pull requests down`)
 
   // fill template
   let transformedChangelog = config.template || DefaultConfiguration.template