feat: support skipping based on labels

must match all labels to pass

src/index.mjs

@@ -23,6 +23,7 @@ async function ghActionBot() {
     COMMENT_BODY_REGEXP_FLAGS,
     COMMENT_ACTOR,
     PULL_LABEL_FILTER,
+    PULL_LABEL_EXCLUDE,
     PULL_AUTHOR_FILTER,
     PULL_RETEST_BODY,
     ACTION_RETRY_DELAY = 3000,
@@ -62,7 +63,7 @@ async function ghActionBot() {
       }
 
       // filter on label
-      if (PULL_LABEL_FILTER && !pull.labels.includes(PULL_LABEL_FILTER)) {
+      if (!PULL_LABEL_FILTER.split(',').every(label => pull.labels.includes(label))) {
         logger.debug(
           `SKIP PULL #${
             pull.number
@@ -71,6 +72,17 @@ async function ghActionBot() {
         return false;
       }
 
+      // filter out matching exclusion tags
+      if (PULL_LABEL_EXCLUDE) {
+        const exclude = PULL_LABEL_EXCLUDE.split(',').some(label => pull.labels.includes(label));
+        if (exclude) {
+          logger.debug(
+            `SKIP PULL #${pull.number}: label matches exclusion labels '${PULL_LABEL_EXCLUDE}'`
+          );
+          return false;
+        }
+      }
+
       return { comment, pull };
     })
   )).filter(Boolean);

src/lib/get_comments.mjs

@@ -5,20 +5,30 @@ function truncate(str, len = 26) {
   return `${str.slice(0, len)}...`;
 }
 
-export default async function getEvents(repo, { body, actor } = {}) {
+const getCommentEvents = async (repo, lastEvents) => {
-  const events = await repo.events.fetch();
+  // just fetch and return the results
+  if (lastEvents == null) return repo.events.fetch();
 
-  const items = await (async () => {
+  // if there is no next page, just return the passed in object
-    // process 2 pages of events
+  if (!lastEvents.nextPage) return lastEvents;
-    if (events.nextPage) {
-      const moreEvents = await events.nextPage.fetch();
-      return [...events.items, ...moreEvents.items];
-    }
 
-    return events.items;
+  // fetch next items and append previous ones
-  })();
+  const newEvents = await lastEvents.nextPage.fetch();
+  newEvents.items = [...lastEvents.items, ...newEvents.items];
+  return newEvents;
+};
 
-  return items
+export default async function getEvents(repo, { body, actor, pages = 4 } = {}) {
+  // create a task array that we can reduce into a promise chain
+  const chain = [];
+  while (chain.length < pages) chain.push('page');
+
+  const events = await chain.reduce(
+    acc => acc.then(res => getCommentEvents(repo, res)),
+    Promise.resolve()
+  );
+
+  return events.items
     .map(comment => {
       let skip = false;
       const isComment = comment.type === 'IssueCommentEvent';

src/lib/history.mjs

@@ -5,8 +5,8 @@ const MAX_ITEMS = 1000; // max entries in history
 const TRUNCATE_AMOUNT = 200; // count of entries to remove when max is hit
 
 export default class History {
-  constructor() {
+  constructor(filename = 'history.json') {
-    this.filePath = path.resolve('data', 'history.json');
+    this.filePath = path.resolve('data', filename);
     try {
       const data = fs.readFileSync(this.filePath);
       this.db = data.length === 0 ? [] : JSON.parse(data);