feat(lint): implement v1 with 3 rules - trailing spaces, encoded passwords and Doxygen header

src/lint.ts

@@ -0,0 +1,46 @@
+import { Diagnostic } from './types/Diagnostic'
+import { LintConfig } from './types/LintConfig'
+import { getLintConfig } from './utils/getLintConfig'
+
+export const lint = async (text: string) => {
+  const config = await getLintConfig()
+  return processText(text, config)
+}
+
+export const splitText = (text: string): string[] => {
+  if (!text) return []
+  return text.replace(/\r\n/g, '\n').split('\n')
+}
+
+const processText = (text: string, config: LintConfig) => {
+  const lines = splitText(text)
+  const diagnostics: Diagnostic[] = []
+  diagnostics.push(...processFile(config, text))
+  lines.forEach((line, index) => {
+    diagnostics.push(...processLine(config, line, index + 1))
+  })
+
+  return diagnostics
+}
+
+const processFile = (config: LintConfig, fileContent: string): Diagnostic[] => {
+  const diagnostics: Diagnostic[] = []
+  config.fileLintRules.forEach((rule) => {
+    diagnostics.push(...rule.test(fileContent))
+  })
+
+  return diagnostics
+}
+
+const processLine = (
+  config: LintConfig,
+  line: string,
+  lineNumber: number
+): Diagnostic[] => {
+  const diagnostics: Diagnostic[] = []
+  config.lineLintRules.forEach((rule) => {
+    diagnostics.push(...rule.test(line, lineNumber))
+  })
+
+  return diagnostics
+}