chore(helper): add splitLineBreaks helper

Author: adamdbradley

src/util/helpers.ts

@@ -67,6 +67,13 @@ export function getSystemInfo(userRootDir: string) {
 }
 
 
+export function splitLineBreaks(sourceText: string) {
+  if (!sourceText) return [];
+  sourceText = sourceText.replace(/\\r/g, '\n');
+  return sourceText.split('\n');
+}
+
+
 export const objectAssign = (Object.assign) ? Object.assign : function (target: any, source: any) {
   const output = Object(target);
 

src/util/logger-sass.ts

@@ -2,6 +2,7 @@ import { BuildContext } from './interfaces';
 import { Diagnostic, Logger, PrintLine } from './logger';
 import { readFileSync } from 'fs';
 import { SassError } from 'node-sass';
+import { splitLineBreaks } from './helpers';
 
 
 export function runSassDiagnostics(context: BuildContext, sassError: SassError) {
@@ -28,7 +29,7 @@ export function runSassDiagnostics(context: BuildContext, sassError: SassError)
 
     if (sassError.line > -1) {
       try {
-        const srcLines = readFileSync(d.absFileName, 'utf8').replace(/\\r/g, '\n').split('\n');
+        const srcLines = splitLineBreaks(readFileSync(d.absFileName, 'utf8'));
 
         const errorLine: PrintLine = {
           lineIndex: sassError.line - 1,

src/util/logger-tslint.ts

@@ -1,5 +1,6 @@
 import { BuildContext } from './interfaces';
 import { Diagnostic, Logger, PrintLine } from './logger';
+import { splitLineBreaks } from './helpers';
 
 
 export function runTsLintDiagnostics(context: BuildContext, failures: RuleFailure[]) {
@@ -26,7 +27,7 @@ function loadDiagnostic(context: BuildContext, f: RuleFailure) {
   };
 
   if (f.sourceFile && f.sourceFile.text) {
-    const srcLines: string[] = f.sourceFile.text.replace(/\\r/g, '\n').split('\n');
+    const srcLines = splitLineBreaks(f.sourceFile.text);
 
     for (var i = start.line; i <= end.line; i++) {
       if (srcLines[i].trim().length) {

src/util/logger-typescript.ts

@@ -1,5 +1,6 @@
 import { BuildContext } from './interfaces';
 import { Diagnostic, Logger, PrintLine } from './logger';
+import { splitLineBreaks } from './helpers';
 import * as ts from 'typescript';
 
 
@@ -32,7 +33,7 @@ function loadDiagnostic(context: BuildContext, tsDiagnostic: ts.Diagnostic) {
     d.absFileName = tsDiagnostic.file.fileName;
     d.relFileName = Logger.formatFileName(context.rootDir, d.absFileName);
 
-    const srcLines = tsDiagnostic.file.getText().replace(/\\r/g, '\n').split('\n');
+    const srcLines = splitLineBreaks(tsDiagnostic.file.getText());
     const posData = tsDiagnostic.file.getLineAndCharacterOfPosition(tsDiagnostic.start);
 
     const errorLine: PrintLine = {