feat(last-tag): Add before, after options

README.md

@@ -133,9 +133,16 @@ Same as primary action: `changelog`, `release-type`, `commit-count`, `relevant-c
 
 This action lives under `/last-tag`. Same step as the primary action uses.
 
-Inputs: none
+##Inputs
 
-Outputs: `last-tag`, if resolved.
+| Key      | Required | Default | Description                                                                      |
+|----------|----------|---------|----------------------------------------------------------------------------------|
+| `before` | :x:      |         | If specified, the last tag must come before this tag sorted by semantic version. |
+| `after`  | :x:      |         | If specified, the last tag must come after this tag sorted by semantic version.  |
+
+## Outputs
+
+`last-tag`, if resolved.
 
 # Resolve the next tag to release
 

src/lib/semver.mts

@@ -142,6 +142,18 @@ class SemVer {
     return this;
   }
 
+  public isEqual(other: SemVer): boolean {
+    return SemVer.cmp(this, other) === 0;
+  }
+
+  public isGreaterThan(other: SemVer): boolean {
+    return SemVer.cmp(this, other) === -1;
+  }
+
+  public isLowerThan(other: SemVer): boolean {
+    return SemVer.cmp(this, other) === 1;
+  }
+
   /** Clone & ensure the prefix & all major/minor/patch versions are set */
   public materialise(): SemVer {
     return new SemVer(this.major, this.minor, this.patch);

src/modules/last-tag/action.yml

@@ -1,5 +1,10 @@
 name: 'Semantic Release Lite: Last tag'
 description: Gets the last release's tag, if any
+inputs:
+  after:
+    description: If specified, the last tag must come after this tag sorted by semantic version.
+  before:
+    description: If specified, the last tag must come before this tag sorted by semantic version.
 runs:
   using: node20
   main: last-tag.js

src/modules/last-tag/index.mts

@@ -1,11 +1,51 @@
-import {info, isDebug, setFailed} from '@actions/core';
+import {getInput, info, isDebug, setFailed} from '@actions/core';
+import InputMgr from '../../lib/input-mgr.mjs';
 import OutputMgr from '../../lib/output-mgr.mjs';
 import {SemVer} from '../../lib/semver.mjs';
 import {ReleaseOutputName} from '../../output-mgr.mjs';
 import Valueify = OutputMgr.Valueify;
 
+interface Inputs {
+  after?: SemVer;
+
+  before?: SemVer;
+}
+
 (async function getLastTag() {
-  const lastTag = await SemVer.resolveLastRelease();
+  function loadInput(name: keyof Inputs): () => SemVer | undefined {
+    return function actualInputLoader() {
+      const str = getInput(name);
+      if (!str) {
+        return;
+      }
+
+      const semVer = SemVer.parse(str);
+      if (semVer) {
+        return semVer;
+      }
+
+      throw new Error('Invalid SemVer string');
+    };
+  }
+
+  const inputs = new InputMgr<Inputs>({
+    after: loadInput('after'),
+    before: loadInput('before'),
+  });
+  inputs.load();
+
+  let tags = await SemVer.resolveReleases();
+  if (inputs.after) {
+    if (inputs.before) {
+      tags = tags.filter(tag => tag.isGreaterThan(inputs.after!) && tag.isLowerThan(inputs.before!));
+    } else {
+      tags = tags.filter(tag => tag.isGreaterThan(inputs.after!));
+    }
+  } else if (inputs.before) {
+    tags = tags.filter(tag => tag.isLowerThan(inputs.before!));
+  }
+
+  const lastTag = tags[0];
   if (lastTag) {
     new OutputMgr<ReleaseOutputName, Valueify<ReleaseOutputName>>()
       .set(ReleaseOutputName.LastTag, lastTag.toString())