14 - the CommonMark subset moves under src/markdown/commonmark/

src/markdown/commonmark/entity-references.test.ts

@@ -0,0 +1,21 @@
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import { dirname, join } from 'node:path'
+import test from 'node:test'
+import { fileURLToPath } from 'node:url'
+
+import { readEntityReference } from './entity-references.ts'
+
+const source = readFileSync(join(dirname(fileURLToPath(import.meta.url)), 'entity-references.ts'), 'utf8')
+
+// A value holding a space or a tilde mis-splits into a wrong name and a lost one, silently, at load.
+test('every packed reference parts into one name and one value the table decodes', () => {
+  const packed = /const packedReferences =\n {2}'([\s\S]*?)'\n/.exec(source)?.[1]
+  assert.ok(packed !== undefined)
+  const references = packed.split(/(?:\\\n)? +/)
+  assert.equal(references.length, 2125)
+  for (const reference of references) {
+    assert.match(reference, /^[A-Za-z][A-Za-z0-9]*~[^ ~]+$/)
+    assert.ok((readEntityReference(`&${reference.slice(0, reference.indexOf('~'))};`, 0)?.text ?? '') !== '')
+  }
+})