fix: check tab indentation in whole line

src/rules/line/noTabs.ts

@@ -0,0 +1,38 @@
+import { LintConfig } from '../../types'
+import { LineLintRule } from '../../types/LintRule'
+import { LintRuleType } from '../../types/LintRuleType'
+import { Severity } from '../../types/Severity'
+import { getIndicesOf } from '../../utils'
+
+const name = 'noTabs'
+const alias = 'noTabIndentation'
+const description = 'Disallow indenting with tabs.'
+const message = 'Line contains tab indentation'
+
+const test = (value: string, lineNumber: number, config?: LintConfig) => {
+  const severity =
+    config?.severityLevel[name] ||
+    config?.severityLevel[alias] ||
+    Severity.Warning
+
+  const indices = getIndicesOf('\t', value)
+
+  return indices.map((index) => ({
+    message,
+    lineNumber,
+    startColumnNumber: index + 1,
+    endColumnNumber: index + 2,
+    severity
+  }))
+}
+
+/**
+ * Lint rule that checks if a given line of text is indented with a tab.
+ */
+export const noTabs: LineLintRule = {
+  type: LintRuleType.Line,
+  name,
+  description,
+  message,
+  test
+}