feat: support multiple JIRA issues in PR title

closes #8

src/index.test.ts

@@ -81,4 +81,17 @@ describe('jiraIssue()', () => {
       ':paperclip: <a href="https://jira.net/browse/ABC-123">ABC-123</a>',
     )
   })
+  it('supports multiple JIRA keys in PR title', () => {
+    global.danger = {
+      github: { pr: { title: '[ABC-123][ABC-456] Change some things' } },
+    }
+    jiraIssue({
+      key: 'ABC',
+      url: 'https://jira.net/browse',
+    })
+    expect(global.message).toHaveBeenCalledWith(
+      // tslint:disable-next-line:max-line-length
+      ':link: <a href="https://jira.net/browse/ABC-123">ABC-123</a>, <a href="https://jira.net/browse/ABC-456">ABC-456</a>',
+    )
+  })
 })

src/index.ts

@@ -38,12 +38,18 @@ export default function jiraIssue(options: Options) {
     throw Error(`'key' missing - must supply JIRA issue key`)
   }
 
-  const jiraKeyRegex = new RegExp(`^.*(${key}-[0-9]+).*$`, 'g')
-  const match = jiraKeyRegex.exec(danger.github.pr.title)
-  if (match) {
-    const issue = match[1]
-    const jiraUrl = link(resolve(ensureUrlEndsWithSlash(url), issue), issue)
-    message(`${emoji} ${jiraUrl}`)
+  const jiraKeyRegex = new RegExp(`(${key}-[0-9]+)`, 'g')
+  let match
+  const jiraIssues = []
+  // tslint:disable-next-line:no-conditional-assignment
+  while ((match = jiraKeyRegex.exec(danger.github.pr.title)) != null) {
+    jiraIssues.push(match[0])
+  }
+  if (jiraIssues.length > 0) {
+    const jiraUrls = jiraIssues
+      .map((issue) => link(resolve(ensureUrlEndsWithSlash(url), issue), issue))
+      .join(', ')
+    message(`${emoji} ${jiraUrls}`)
   } else {
     warn(`Please add the JIRA issue key to the PR title (e.g. ${key}-123)`)
   }