feat: add monospace

readme.md

@@ -54,6 +54,28 @@ Type: `string`
 
 Text to be formatted italic
 
+### monospace(text)
+
+#### text
+
+Type: `string`
+
+Text to be displayed as inline monospace
+
+### monospaceBlock(text, [programmingLanguage])
+
+#### text
+
+Type: `string`
+
+Text to be displayed as monospace block
+
+#### programmingLanguage
+
+Type: `string` (optional)
+
+Can be used to specify the programming language of the code
+
 ### url(label, url)
 
 #### label

source/html.ts

@@ -17,6 +17,18 @@ function italic(text: string): string {
 	return `<i>${escape(text)}</i>`
 }
 
+function monospace(text: string): string {
+	return `<code>${text}</code>`
+}
+
+function monospaceBlock(text: string, programmingLanguage?: string): string {
+	if (programmingLanguage) {
+		return `<pre><code class="language-${programmingLanguage}">${text}</code></pre>`
+	}
+
+	return `<pre>${text}</pre>`
+}
+
 function url(label: string, url: string): string {
 	return `<a href="${url}">${escape(label)}</a>`
 }
@@ -30,6 +42,8 @@ export const html: Formatter = {
 	escape,
 	bold,
 	italic,
+	monospace,
+	monospaceBlock,
 	url,
 	userMention
 }

source/interface.ts

@@ -3,6 +3,8 @@ export interface Formatter {
 	bold: (text: string) => string;
 	escape: (text: string) => string;
 	italic: (text: string) => string;
+	monospace: (text: string) => string;
+	monospaceBlock: (text: string, programmingLanguage?: string) => string;
 	url: (label: string, url: string) => string;
 	userMention: (label: string, userId: number) => string;
 }

source/markdown.ts

@@ -14,6 +14,25 @@ function italic(text: string): string {
 	return `_${text.replace(/_/, '')}_`
 }
 
+function monospace(text: string): string {
+	return '`' + text + '`'
+}
+
+function monospaceBlock(text: string, programmingLanguage?: string): string {
+	let result = ''
+	result += '```'
+
+	if (programmingLanguage) {
+		result += programmingLanguage
+	}
+
+	result += '\n'
+	result += text
+	result += '\n'
+	result += '```'
+	return result
+}
+
 function url(label: string, url: string): string {
 	return `[${label.replace(/\]/, '')}](${url.replace(/\)/, '')})`
 }
@@ -27,6 +46,8 @@ export const markdown: Formatter = {
 	escape,
 	bold,
 	italic,
+	monospace,
+	monospaceBlock,
 	url,
 	userMention
 }

test/html.ts

@@ -25,3 +25,15 @@ test('bold malicious', t => {
 test('user mention', t => {
 	t.is(format.userMention('inline mention of a user', 123456789), '<a href="tg://user?id=123456789">inline mention of a user</a>')
 })
+
+test('monospace', t => {
+	t.is(format.monospace('inline fixed-width code'), '<code>inline fixed-width code</code>')
+})
+
+test('monospaceBlock w/o language', t => {
+	t.is(format.monospaceBlock('pre-formatted fixed-width code block'), '<pre>pre-formatted fixed-width code block</pre>')
+})
+
+test('monospaceBlock w/ language', t => {
+	t.is(format.monospaceBlock('pre-formatted fixed-width code block written in the Python programming language', 'python'), '<pre><code class="language-python">pre-formatted fixed-width code block written in the Python programming language</code></pre>')
+})

test/markdown.ts

@@ -29,3 +29,15 @@ test('italic malicious', t => {
 test('user mention', t => {
 	t.is(format.userMention('inline mention of a user', 123456789), '[inline mention of a user](tg://user?id=123456789)')
 })
+
+test('monospace', t => {
+	t.is(format.monospace('inline fixed-width code'), '`inline fixed-width code`')
+})
+
+test('monospaceBlock w/o language', t => {
+	t.is(format.monospaceBlock('pre-formatted fixed-width code block'), '```\npre-formatted fixed-width code block\n```')
+})
+
+test('monospaceBlock w/ language', t => {
+	t.is(format.monospaceBlock('pre-formatted fixed-width code block written in the Python programming language', 'python'), '```python\npre-formatted fixed-width code block written in the Python programming language\n```')
+})