feat: add a new config maxHeaderLineLength

src/utils/getHeaderLinesCount.spec.ts

@@ -0,0 +1,21 @@
+import { LintConfig } from '../types'
+import { getHeaderLinesCount } from './getHeaderLinesCount'
+import { DefaultLintConfiguration } from './getLintConfig'
+
+const sasCodeWithHeader = `/**
+@file
+@brief <Your brief here>
+<h4> SAS Macros </h4>
+**/
+%put hello world;
+`
+
+const sasCodeWithoutHeader = `%put hello world;`
+
+describe('getHeaderLinesCount', () => {
+  it('should return the number of line header spans upon', () => {
+    const config = new LintConfig(DefaultLintConfiguration)
+    expect(getHeaderLinesCount(sasCodeWithHeader, config)).toEqual(5)
+    expect(getHeaderLinesCount(sasCodeWithoutHeader, config)).toEqual(0)
+  })
+})