added ansi-regex.ts

src/ansi-regex.ts

@@ -0,0 +1,11 @@
+// Embedding this here because the ansi-regex import is
+// triggering an jspm error (https://github.com/kubetail-org/fancy-ansi/issues/16)
+// https://github.com/chalk/ansi-regex/blob/main/index.js
+export default function ansiRegex({onlyFirst = false} = {}) {
+  const pattern = [
+    '[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)',
+    '(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]))'
+  ].join('|');
+
+  return new RegExp(pattern, onlyFirst ? undefined : 'g');
+}