Unindent, plugins is now an object instead of []

1 files changed, 47 insertions, 0 deletions

diff --git a/src/plugins/unindent.ts b/src/plugins/unindent.ts
new file mode 100644
index 0000000..1f63f69
--- /dev/null
+++ b/src/plugins/unindent.ts
@@ -0,0 +1,47 @@
+import definePlugin from "../utils/types";
+import { addPreSendListener, addPreEditListener, MessageObject, removePreSendListener, removePreEditListener } from '../api/MessageEvents';
+
+export default definePlugin({
+    name: "Unindent",
+    description: "Trims leading indentation from codeblocks",
+    author: "Vendicated",
+    patches: [
+        {
+            find: "inQuote:",
+            replacement: {
+                match: /,content:([^,]+),inQuote/,
+                replace: (_, content) => `,content:Vencord.Plugins.plugins.Unindent.unindent(${content}),inQuote`
+            }
+        }
+    ],
+
+    unindent(str: string) {
+        // Users cannot send tabs, they get converted to spaces. However, a bot may send tabs, so convert them to 4 spaces first
+        str = str.replace(/\t/g, "    ");
+        const minIndent = str.match(/^ *(?=\S)/gm)
+            ?.reduce((prev, curr) => Math.min(prev, curr.length), Infinity) ?? 0;
+
+        if (!minIndent) return str;
+        return str.replace(new RegExp(`^ {${minIndent}}`, "gm"), "");
+    },
+
+    unindentMsg(msg: MessageObject) {
+        msg.content = msg.content.replace(/```(.|\n)*?```/g, m => {
+            const lines = m.split("\n");
+            if (lines.length < 2) return m; // Do not affect inline codeblocks
+            let suffix = "";
+            if (lines[lines.length - 1] === "```") suffix = lines.pop()!;
+            return `${lines[0]}\n${this.unindent(lines.slice(1).join("\n"))}\n${suffix}`;
+        });
+    },
+
+    start() {
+        this.preSend = addPreSendListener((_, msg) => this.unindentMsg(msg));
+        this.preEdit = addPreEditListener((_cid, _mid, msg) => this.unindentMsg(msg));
+    },
+
+    stop() {
+        removePreSendListener(this.preSend);
+        removePreEditListener(this.preEdit);
+    }
+});
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