From 4bfcba8af70b757ab2465fbd6f65b188ca215b65 Mon Sep 17 00:00:00 2001
From: Sorunome <mail@sorunome.de>
Date: Sat, 25 Apr 2020 18:01:33 +0200
Subject: [PATCH] fix weird slack escaping for _

---
 index.js            | 14 +++++++++++++-
 package.json        |  2 +-
 test/escape.test.js |  5 +++++
 test/single.test.js |  4 ++--
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 22044a2..ed12828 100644
--- a/index.js
+++ b/index.js
@@ -102,7 +102,6 @@ const rules = {
 		},
 	}),
 	newline: markdown.defaultRules.newline,
-	escape: markdown.defaultRules.escape,
 	autolink: Object.assign({}, markdown.defaultRules.autolink, {
 		order: markdown.defaultRules.strong.order + 1,
 		match: markdown.inlineRegex(/^<((?:https?:\/\/|mailto:)[^|>]+)(\|([^>]*))?>/),
@@ -134,6 +133,19 @@ const rules = {
 			return htmlTag("a", output(node.content, state), { href: markdown.sanitizeUrl(node.target) }, state);
 		},
 	}),
+	noem: {
+		order: markdown.defaultRules.text.order,
+		match: (source) => /^\\_/.exec(source),
+		parse: function(capture) {
+			return {
+				type: "text",
+				content: "\\_",
+			};
+		},
+		html: function(node, output, state) {
+			return output(node.content, state);
+		},
+	},
 	em: Object.assign({}, markdown.defaultRules.em, {
 		match: markdown.inlineRegex(/^\b_(\S(?:\\[\s\S]|[^\\])*?\S|\S)_(?!_)/),
 		parse: (capture, parse) => {
diff --git a/package.json b/package.json
index ea4bb19..21c05b3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "slack-markdown",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "A markdown parser for Slack messages",
   "keywords": [
     "slack",
diff --git a/test/escape.test.js b/test/escape.test.js
index ab5164f..2040c1f 100644
--- a/test/escape.test.js
+++ b/test/escape.test.js
@@ -17,3 +17,8 @@ it("Should not escape HTML, if the flag is set", () => {
 	expect(markdown.toHTML("<b>test</b>", { escapeHTML: false }))
 		.toBe("<b>test</b>");
 });
+
+it("Should not lose arms", () => {
+	expect(markdown.toHTML("¯\\_(ツ)_/¯"))
+		.toBe("¯\\_(ツ)_/¯");
+});
diff --git a/test/single.test.js b/test/single.test.js
index 694e87b..a46bab1 100644
--- a/test/single.test.js
+++ b/test/single.test.js
@@ -68,9 +68,9 @@ it("Should HTML-escape fenced code blocks", () => {
 		.toBe("<code>test</code><br><br><pre><code>&lt;&gt;</code></pre>");
 });
 
-it("Should escape marks", () => {
+it("Should not escape marks", () => {
 	expect(markdown.toHTML("Code: \\`1 + 1` = 2`"))
-		.toBe("Code: `1 + 1<code> = 2</code>");
+		.toBe("Code: \\<code>1 + 1</code> = 2`");
 });
 
 it("Should do simple block quotes", () => {