- introduce ability to specify on_property on extractors as Array.

- simplify setup of more complex definitions
  - FIX https://github.com/mikepenz/release-changelog-builder-action/issues/651

README.md

@@ -340,14 +340,14 @@ Table of descriptions for the `configuration.json` options to configure the resu
 # Install the dependencies
 $ npm install
 
+# Verify lint is happy
+$ npm run lint -- --fix
+
 # Build the typescript and package it for distribution
 $ npm run build && npm run package
 
 # Run the tests, use to debug, and test it out
 $ npm test
-
-# Verify lint is happy
-$ npm run lint -- --fix
 ```
 
 It's suggested to export the token to your path before running the tests so that API calls can be done to GitHub.

__tests__/transform.test.ts

@@ -90,6 +90,22 @@ mergedPullRequests.push(
   }
 )
 
+const pullRequestWithLabelInBody: PullRequestInfo = {
+  number: 5,
+  title: 'label in body',
+  htmlURL: '',
+  baseBranch: '',
+  mergedAt: moment(),
+  mergeCommitSha: 'sha1',
+  author: 'Mike',
+  repoName: 'test-repo',
+  labels: new Set<string>(),
+  milestone: '',
+  body: '[Issue][Feature][AB-1234321] - no magic body for this matter',
+  assignees: [],
+  requestedReviewers: []
+}
+
 it('Extract label from title, combined regex', async () => {
   configuration.label_extractor = [
     {
@@ -114,6 +130,33 @@ it('Extract label from title, combined regex', async () => {
   )
 })
 
+
+it('Extract label from title and body, combined regex', async () => {
+  configuration.label_extractor = [
+    {
+      pattern: '.*(\\[Feature\\]|\\[Issue\\]).*',
+      target: '$1',
+      on_property: ['title', 'body']
+    }
+  ]
+  
+  let prs = Array.from(mergedPullRequests)
+  prs.push(pullRequestWithLabelInBody)
+  const resultChangelog = buildChangelog(prs, {
+    owner: 'mikepenz',
+    repo: 'test-repo',
+    fromTag: '1.0.0',
+    toTag: '2.0.0',
+    failOnError: false,
+    commitMode: false,
+    configuration
+  })
+
+  expect(resultChangelog).toStrictEqual(
+    `## 🚀 Features\n\n- [Feature][AB-1234] - this is a PR 1 title message\n   - PR: #1\n- [Issue][Feature][AB-1234321] - this is a PR 3 title message\n   - PR: #3\n- label in body\n   - PR: #5\n\n## 🐛 Fixes\n\n- [Issue][AB-4321] - this is a PR 2 title message\n   - PR: #2\n\n`
+  )
+})
+
 it('Extract label from title, split regex', async () => {
   configuration.label_extractor = [
     {

dist/index.js

@@ -1402,6 +1402,12 @@ function validateTransformer(transformer) {
             method = transformer.method;
             onEmpty = transformer.on_empty;
         }
+        // legacy handling, transform single value input to array
+        if (!Array.isArray(onProperty)) {
+            if (onProperty !== undefined) {
+                onProperty = [onProperty];
+            }
+        }
         return {
             pattern: new RegExp(transformer.pattern.replace('\\\\', '\\'), (_a = transformer.flags) !== null && _a !== void 0 ? _a : 'gu'),
             target: transformer.target || '',
@@ -1420,26 +1426,40 @@ function extractValues(pr, extractor, extractor_usecase) {
     if (extractor.pattern == null) {
         return null;
     }
-    let onValue;
     if (extractor.onProperty !== undefined) {
-        let value = pr[extractor.onProperty];
+        let results = [];
-        if (value === undefined) {
+        const list = extractor.onProperty;
-            core.warning(`⚠️ the provided property '${extractor.onProperty}' for \`${extractor_usecase}\` is not valid`);
+        // eslint-disable-next-line @typescript-eslint/prefer-for-of
-            value = pr['body'];
+        for (let i = 0; i < list.length; i++) {
+            const prop = list[i];
+            let value = pr[prop];
+            if (value === undefined) {
+                core.warning(`⚠️ the provided property '${extractor.onProperty}' for \`${extractor_usecase}\` is not valid`);
+                value = pr['body'];
+            }
+            const values = extractValuesFromString(value, extractor);
+            if (values !== null) {
+                results = results.concat(values);
+            }
         }
-        onValue = value;
+        return results;
     }
     else {
-        onValue = pr.body;
+        return extractValuesFromString(pr.body, extractor);
+    }
+}
+function extractValuesFromString(value, extractor) {
+    if (extractor.pattern == null) {
+        return null;
     }
     if (extractor.method === 'match') {
-        const lables = onValue.match(extractor.pattern);
+        const lables = value.match(extractor.pattern);
         if (lables !== null && lables.length > 0) {
             return lables.map(label => label.toLocaleLowerCase('en'));
         }
     }
     else {
-        const label = onValue.replace(extractor.pattern, extractor.target);
+        const label = value.replace(extractor.pattern, extractor.target);
         if (label !== '') {
             return [label.toLocaleLowerCase('en')];
         }

src/configuration.ts

@@ -32,7 +32,13 @@ export interface Transformer extends Regex {
 }
 
 export interface Extractor extends Transformer {
-  on_property?: 'title' | 'author' | 'milestone' | 'body' | undefined // retrieve the property to extract the value from
+  on_property?:
+    | ('title' | 'author' | 'milestone' | 'body')[]
+    | 'title'
+    | 'author'
+    | 'milestone'
+    | 'body'
+    | undefined // retrieve the property to extract the value from
   method?: 'replace' | 'match' | undefined // the method to use to extract the value, `match` will not use the `target` property
   on_empty?: string | undefined // in case the regex results in an empty string, this value is gonna be used instead (only for label_extractor currently)
 }

src/transform.ts

@@ -309,6 +309,13 @@ export function validateTransformer(
       onEmpty = (transformer as Extractor).on_empty
     }
 
+    // legacy handling, transform single value input to array
+    if (!Array.isArray(onProperty)) {
+      if (onProperty !== undefined) {
+        onProperty = [onProperty]
+      }
+    }
+
     return {
       pattern: new RegExp(
         transformer.pattern.replace('\\\\', '\\'),
@@ -334,27 +341,47 @@ function extractValues(
     return null
   }
 
-  let onValue
   if (extractor.onProperty !== undefined) {
-    let value: string = pr[extractor.onProperty]
+    let results: string[] = []
-    if (value === undefined) {
+    const list: ('title' | 'author' | 'milestone' | 'body')[] =
-      core.warning(
+      extractor.onProperty
-        `⚠️ the provided property '${extractor.onProperty}' for \`${extractor_usecase}\` is not valid`
+    // eslint-disable-next-line @typescript-eslint/prefer-for-of
-      )
+    for (let i = 0; i < list.length; i++) {
-      value = pr['body']
+      const prop = list[i]
+      let value: string = pr[prop]
+      if (value === undefined) {
+        core.warning(
+          `⚠️ the provided property '${extractor.onProperty}' for \`${extractor_usecase}\` is not valid`
+        )
+        value = pr['body']
+      }
+
+      const values = extractValuesFromString(value, extractor)
+      if (values !== null) {
+        results = results.concat(values)
+      }
     }
-    onValue = value
+    return results
   } else {
-    onValue = pr.body
+    return extractValuesFromString(pr.body, extractor)
+  }
+}
+
+function extractValuesFromString(
+  value: string,
+  extractor: RegexTransformer
+): string[] | null {
+  if (extractor.pattern == null) {
+    return null
   }
 
   if (extractor.method === 'match') {
-    const lables = onValue.match(extractor.pattern)
+    const lables = value.match(extractor.pattern)
     if (lables !== null && lables.length > 0) {
       return lables.map(label => label.toLocaleLowerCase('en'))
     }
   } else {
-    const label = onValue.replace(extractor.pattern, extractor.target)
+    const label = value.replace(extractor.pattern, extractor.target)
     if (label !== '') {
       return [label.toLocaleLowerCase('en')]
     }
@@ -368,7 +395,7 @@ function extractValues(
 export interface RegexTransformer {
   pattern: RegExp | null
   target: string
-  onProperty?: 'title' | 'author' | 'milestone' | 'body' | undefined
+  onProperty?: ('title' | 'author' | 'milestone' | 'body')[] | undefined
   method?: 'replace' | 'match' | undefined
   onEmpty?: string | undefined
 }