RTT Terminals won't show up

[hyx0329]

Extension version: 0.23.0
VSCode version:

• Code OSS: 1.87.1
• VSCodium: 1.87.1

No RTT terminal is opened even when RTT is configured correctly.

It seems there's a mistake in createRttTerminal:

vscode/src/extension.ts

Lines 200 to 205 in 23f7b8a

	for (let index in this.rttTerminals) {
	var [formerChannelNumber, , ,] = this.rttTerminals[index];
	if (formerChannelNumber === channelNumber) {
	this.rttTerminals.splice(+index, 1);
	break;
	}

The index will be a string('distinct') rather than a number, while getting element of a list(rttTerminals) requires a number. This causes an exception raised.

I'm not familiar with TS but I've tested the following patch:

diff --git a/src/extension.ts b/src/extension.ts
index ca793ef..0ea8c78 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -197,7 +197,7 @@ class ProbeRSDebugAdapterServerDescriptorFactory implements vscode.DebugAdapterD
                     name: channelName,
                     pty: channelPty,
                 };
-                for (let index in this.rttTerminals) {
+                for (let index = 0; index < this.rttTerminals.length; index++) {
                     var [formerChannelNumber, , ,] = this.rttTerminals[index];
                     if (formerChannelNumber === channelNumber) {
                         this.rttTerminals.splice(+index, 1);

Then the RTT terminal comes up.

[Yatekii]

Hmm the two should def. not behave differently :/

[hyx0329]

Let me see... Oh! It seems let ... in will also iterate over the properties of the object. Look at this:

index is the string distinct XD

[noppej]

@hyx0329 This is a good catch, and reading about it a bit more about TS handling lists, it kinda makes sense. I personally think Typescript should be less 'subtle' about this.

Do you want to PR a fix, or would you prefer one of us to just apply your patch?