fix: single quotes for contractions (#241)

Author: ignatiusmb

workspace/aubade/src/artisan/example.spec.ts

@@ -767,15 +767,22 @@ describe('libretto', ({ concurrent: it }) => {
 			'<figure>\n<img src="img.png" alt="alt" />\n<figcaption>annotated <em>title</em> for caption</figcaption>\n</figure>',
 		],
 
+		'quotes#escaped': ['\\"a b\\"', '<p>&quot;a b&quot;</p>'],
 		'quotes#double/1': ['"hello"', '<p>“hello”</p>'],
 		'quotes#double/2': ['"a *b* c"', '<p>“a <em>b</em> c”</p>'],
+		'quotes#double/3': ['"(quote)"', '<p>“(quote)”</p>'],
 		'quotes#single/1': ["'hello'", '<p>‘hello’</p>'],
 		'quotes#single/2': ["'a 'b' c'", '<p>‘a ‘b’ c’</p>'],
+		'quotes#single/3': ["don't", '<p>don’t</p>'],
+		'quotes#prime/1': ['24" monitor', '<p>24″ monitor</p>'],
+		'quotes#prime/2': [`5'5"`, '<p>5′5″</p>'],
 		'quotes#mixed/1': [`"a 'b' c"`, '<p>“a ‘b’ c”</p>'],
 		'quotes#mixed/2': [`'a "b" c'`, '<p>‘a “b” c’</p>'],
 		'quotes#mixed/3': [`'a "b' c"`, '<p>‘a “b’ c”</p>'],
 		'quotes#mixed/4': [`'"hello"'`, '<p>‘“hello”’</p>'],
 		'quotes#mixed/5': [`"'hello'"`, '<p>“‘hello’”</p>'],
+		'quotes#mixed/6': [`"i'm sure"`, '<p>“i’m sure”</p>'],
+		'quotes#mixed/7': [`"13" laptop"`, '<p>“13″ laptop”</p>'],
 
 		'strike#single': ['~strike~', '<p>~strike~</p>'],
 		'strike#normal': ['~~strike~~', '<p><del>strike</del></p>'],

workspace/aubade/src/artisan/utils.ts

@@ -30,11 +30,12 @@ export function typographic(token: Extract<Token, { type: 'inline:text' }>) {
 		const prev = token.text[i - 1];
 		const next = token.text[i + 1];
 
+		const prime = /\d/.test(prev);
 		const left = util.is['left-flanking'](prev || ' ', next || ' ');
 		const right = util.is['right-flanking'](prev || ' ', next || ' ');
 
-		const double = left ? '“' : right ? '”' : char;
-		const single = left ? '‘' : right ? '’' : char;
+		const double = left ? '“' : right ? (prime ? '″' : '”') : char;
+		const single = right ? (prime ? '′' : '’') : left ? '‘' : char;
 
 		result += char === '"' ? double : single;
 	}