show help text if paperbot is @mentioned with a blank search

sdarwin · sdarwin · commit 14cc776aecda · 2020-10-26T16:44:28.000Z
diff --git a/index.js b/index.js
@@ -243,7 +243,7 @@ app.message(/.*/, async ({ context, event, say }) => {
         return;
       }
 
-      if (words[0] === 'help') {
+      if (words[0] === 'help' || words[0] === undefined ) {
         await say({
           text: 'Usage: "@npaperbot search [papers|issues|everything] <keywords>"'
                  + ' or "@npaperbot {Nxxxx|Pxxxx|PxxxxRx|Dxxxx|DxxxxRx|CWGxxx|EWGxxx|LWGxxx|LEWGxxx|FSxxx}"',

Original file line number	Diff line number	Diff line change
`@@ -243,7 +243,7 @@ app.message(/.*/, async ({ context, event, say }) => {`
`243`	`243`	`return;`
`244`	`244`	`}`
`245`	`245`
`246`		`- if (words[0] === 'help') {`
	`246`	`+ if (words[0] === 'help' \|\| words[0] === undefined ) {`
`247`	`247`	`await say({`
`248`	`248`	`text: 'Usage: "@npaperbot search [papers\|issues\|everything] <keywords>"'`
`249`	`249`	`+ ' or "@npaperbot {Nxxxx\|Pxxxx\|PxxxxRx\|Dxxxx\|DxxxxRx\|CWGxxx\|EWGxxx\|LWGxxx\|LEWGxxx\|FSxxx}"',`