Issue 26490 remove replacebr

__tests__/ExpensiMark-HTML-test.js

@@ -38,7 +38,7 @@ test('Test heading markdown replacement', () => {
 // Sections starting with > are successfully wrapped with <blockquote></blockquote>
 test('Test quote markdown replacement', () => {
     const quoteTestStartString = '>This is a *quote* that started on a new line.\nHere is a >quote that did not\n```\nhere is a codefenced quote\n>it should not be quoted\n```';
-    const quoteTestReplacedString = '<blockquote>This is a <strong>quote</strong> that started on a new line.</blockquote>Here is a &gt;quote that did not <pre>here&#32;is&#32;a&#32;codefenced&#32;quote<br />&gt;it&#32;should&#32;not&#32;be&#32;quoted<br /></pre>';
+    const quoteTestReplacedString = '<blockquote>This is a <strong>quote</strong> that started on a new line.</blockquote>Here is a &gt;quote that did not<br /><pre>here&#32;is&#32;a&#32;codefenced&#32;quote<br />&gt;it&#32;should&#32;not&#32;be&#32;quoted<br /></pre>';
 
     expect(parser.replace(quoteTestStartString)).toBe(quoteTestReplacedString);
 });
@@ -957,31 +957,31 @@ test('Test quotes markdown replacement with text matching inside and outside cod
 test('Test quotes markdown replacement with text matching inside and outside codefence at the same line', () => {
     const testString = 'The next line should be quoted\n>Hello,I’mtext\nThe next line should not be quoted\n```>Hello,I’mtext```\nsince its inside a codefence';
 
-    const resultString = 'The next line should be quoted<br /><blockquote>Hello,I’mtext</blockquote>The next line should not be quoted <pre>&gt;Hello,I’mtext</pre>since its inside a codefence';
+    const resultString = 'The next line should be quoted<br /><blockquote>Hello,I’mtext</blockquote>The next line should not be quoted<br /><pre>&gt;Hello,I’mtext</pre>since its inside a codefence';
 
     expect(parser.replace(testString)).toBe(resultString);
 });
 
 test('Test quotes markdown replacement with text matching inside and outside codefence at the end of the text', () => {
     const testString = 'The next line should be quoted\n>Hello,I’mtext\nThe next line should not be quoted\n```>Hello,I’mtext```';
 
-    const resultString = 'The next line should be quoted<br /><blockquote>Hello,I’mtext</blockquote>The next line should not be quoted <pre>&gt;Hello,I’mtext</pre>';
+    const resultString = 'The next line should be quoted<br /><blockquote>Hello,I’mtext</blockquote>The next line should not be quoted<br /><pre>&gt;Hello,I’mtext</pre>';
 
     expect(parser.replace(testString)).toBe(resultString);
 });
 
 test('Test quotes markdown replacement with text matching inside and outside codefence with quotes at the end of the text', () => {
     const testString = 'The next line should be quoted\n```>Hello,I’mtext```\nThe next line should not be quoted\n>Hello,I’mtext';
 
-    const resultString = 'The next line should be quoted <pre>&gt;Hello,I’mtext</pre>The next line should not be quoted<br /><blockquote>Hello,I’mtext</blockquote>';
+    const resultString = 'The next line should be quoted<br /><pre>&gt;Hello,I’mtext</pre>The next line should not be quoted<br /><blockquote>Hello,I’mtext</blockquote>';
 
     expect(parser.replace(testString)).toBe(resultString);
 });
 
 test('Test quotes markdown replacement and removing <br/> from <br/><pre> and </pre><br/>', () => {
     const testString = 'The next line should be quoted\n```>Hello,I’mtext```\nThe next line should not be quoted';
 
-    const resultString = 'The next line should be quoted <pre>&gt;Hello,I’mtext</pre>The next line should not be quoted';
+    const resultString = 'The next line should be quoted<br /><pre>&gt;Hello,I’mtext</pre>The next line should not be quoted';
 
     expect(parser.replace(testString)).toBe(resultString);
 });
@@ -1464,6 +1464,58 @@ test('Test strikethrough with link with URL that contains tilde', () => {
     expect(parser.replace(testString)).toBe('<del><a href="https://example.com/?~example=~~~ex~" target="_blank" rel="noreferrer noopener">Example Link</a></del>');
 });
 
+test('Linebreak between end of text and start of code block should be remained', () => {
+    const testCases = [
+        {
+            testString: '```\ncode1\n```\ntext\n```\ncode2\n```',
+            resultString: '<pre>code1<br /></pre>text<br /><pre>code2<br /></pre>',
+        },
+        {
+            testString: 'text\n```\ncode\n```',
+            resultString: 'text<br /><pre>code<br /></pre>',
+        },
+        {
+            testString: '|\n```\ncode\n```',
+            resultString: '|<br /><pre>code<br /></pre>',
+        },
+        {
+            testString: 'text1```code```text2',
+            resultString: 'text1<pre>code</pre>text2',
+        },
+        {
+            testString: 'text1 ``` code ``` text2',
+            resultString: 'text1 <pre>&#32;code&#32;</pre> text2',
+        },
+        {
+            testString: 'text1\n```code```\ntext2',
+            resultString: 'text1<br /><pre>code</pre>text2',
+        },
+        {
+            testString: 'text1\n``` code ```\ntext2',
+            resultString: 'text1<br /><pre>&#32;code&#32;</pre>text2',
+        },
+        {
+            testString: 'text1\n```\n\ncode\n```\ntext2',
+            resultString: 'text1<br /><pre><br />code<br /></pre>text2',
+        },
+        {
+            testString: 'text1\n```\n\ncode\n\n```\ntext2',
+            resultString: 'text1<br /><pre><br />code<br /><br /></pre>text2',
+        },
+        {
+            testString: 'text1\n```\n\n\ncode\n\n```\ntext2',
+            resultString: 'text1<br /><pre><br /><br />code<br /><br /></pre>text2',
+        },
+        {
+            testString: 'text1\n```\n\ncode\n\n\n```\ntext2',
+            resultString: 'text1<br /><pre><br />code<br /><br /><br /></pre>text2',
+        },
+    ];
+    testCases.forEach(({testString, resultString}) => {
+        expect(parser.replace(testString)).toBe(resultString);
+    });
+});
+
 test('Test autoEmail with markdown of <pre>, <code>, <a>, <mention-user> and <em> tag', () => {
     const testString = '`code`[email protected] '
         + '```code block```[email protected] '

__tests__/ExpensiMark-Markdown-test.js

@@ -691,6 +691,58 @@ test('Test codeFence copy from selection does not add extra new line', () => {
     expect(parser.htmlToMarkdown(testString)).toBe('test heading\n```\nCode snippet\n```\n> [link](https://www.example.com)')
 });
 
+test('Linebreak should be remained for text between code block', () => {
+    const testCases = [
+        {
+            testString: '<pre>code1<br></pre>text<br><pre>code2<br></pre>',
+            resultString: '```\ncode1\n```\ntext\n```\ncode2\n```',
+        },
+        {
+            testString: 'text<br><pre>code<br></pre>',
+            resultString: 'text\n```\ncode\n```',
+        },
+        {
+            testString: '|<br><pre>code<br></pre>',
+            resultString: '|\n```\ncode\n```',
+        },
+        {
+            testString: 'text1<pre>code</pre>text2',
+            resultString: 'text1```\ncode\n```\ntext2',
+        },
+        {
+            testString: 'text1 <pre>&#32;code&#32;</pre> text2',
+            resultString: 'text1 ```\n code \n```\n text2',
+        },
+        {
+            testString: 'text1<br><pre>code</pre>text2',
+            resultString: 'text1\n```\ncode\n```\ntext2',
+        },
+        {
+            testString: 'text1<br><pre>&#32;code&#32;</pre>text2',
+            resultString: 'text1\n```\n code \n```\ntext2',
+        },
+        {
+            testString: 'text1<br><pre><br>code<br></pre>text2',
+            resultString: 'text1\n```\n\ncode\n```\ntext2',
+        },
+        {
+            testString: 'text1<br><pre><br>code<br><br></pre>text2',
+            resultString: 'text1\n```\n\ncode\n\n```\ntext2',
+        },
+        {
+            testString: 'text1<br><pre><br><br>code<br><br></pre>text2',
+            resultString: 'text1\n```\n\n\ncode\n\n```\ntext2',
+        },
+        {
+            testString: 'text1<br><pre><br>code<br><br><br></pre>text2',
+            resultString: 'text1\n```\n\ncode\n\n\n```\ntext2',
+        },
+    ];
+    testCases.forEach(({testString, resultString}) => {
+        expect(parser.htmlToMarkdown(testString)).toBe(resultString);
+    });
+});
+
 test('Mention html to markdown', () => {
     let testString = '<mention-user>@[email protected]</mention-user>';
     expect(parser.htmlToMarkdown(testString)).toBe('@[email protected]');

lib/ExpensiMark.d.ts

@@ -1,5 +1,5 @@
 declare type Replacement = (...args: string[]) => string;
-declare type Name = "codeFence" | "inlineCodeBlock" | "email" | "link" | "hereMentions" | "userMentions" | "autoEmail" | "autolink" | "quote" | "italic" | "bold" | "strikethrough" | "heading1" | "newline" | "replacepre" | "replacebr" | "listItem" | "exclude" | "anchor" | "breakline" | "blockquoteWrapHeadingOpen" | "blockquoteWrapHeadingClose" | "blockElementOpen" | "blockElementClose" | "stripTag";
+declare type Name = "codeFence" | "inlineCodeBlock" | "email" | "link" | "hereMentions" | "userMentions" | "autoEmail" | "autolink" | "quote" | "italic" | "bold" | "strikethrough" | "heading1" | "newline" | "replacepre" | "listItem" | "exclude" | "anchor" | "breakline" | "blockquoteWrapHeadingOpen" | "blockquoteWrapHeadingClose" | "blockElementOpen" | "blockElementClose" | "stripTag";
 declare type Rule = {
     name: Name;
     process?: (textToProcess: string, replacement: Replacement) => string;

lib/ExpensiMark.js

@@ -230,12 +230,6 @@ export default class ExpensiMark {
                 regex: /<\/pre>\s*<br\s*[/]?>/gi,
                 replacement: '</pre>',
             },
-            {
-                // We're removing <br /> because when <br /> and <pre> occur together, an extra line is added.
-                name: 'replacebr',
-                regex: /<br\s*[/]?><pre>\s*/gi,
-                replacement: ' <pre>',
-            },
             {
                 // We're removing <br /> because when <h1> and <br /> occur together, an extra line is added.
                 name: 'replaceh1br',