Add utility function to split strings & preserve the delimiter

appearhere · Jan 31, 2017 · f06a736 · f06a736
1 parent ed35dee
commit f06a736
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diff --git a/utils/splitPreservingDelimiter/splitPreservingDelimiter.js b/utils/splitPreservingDelimiter/splitPreservingDelimiter.js
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+const splitPreservingDelimiter = (string, delimiter) => string
+  .replace(new RegExp(delimiter, 'gi'), `,${delimiter},`)
+  .split(',');
+
+export default splitPreservingDelimiter;
diff --git a/utils/splitPreservingDelimiter/splitPreservingDelimiter.test.js b/utils/splitPreservingDelimiter/splitPreservingDelimiter.test.js
@@ -0,0 +1,8 @@
+import splitPreservingDelimiter from './splitPreservingDelimiter';
+
+it('splits a string, preserving the delimiter string', () => {
+  const string = 'somefancystring';
+  const delimiter = 'fancy';
+
+  expect(splitPreservingDelimiter(string, delimiter)).toEqual(['some', 'fancy', 'string']);
+});