fix: we are not writing files, use normalized EOL

Author: huafu

src/lib/compiler.ts

@@ -30,7 +30,6 @@
 
 import { relative, basename, extname, join } from 'path'
 import { readFileSync, writeFileSync } from 'fs'
-import { EOL } from 'os'
 import mkdirp = require('mkdirp')
 import bufferFrom from 'buffer-from'
 import stableStringify = require('fast-json-stable-stringify')
@@ -160,7 +159,7 @@ export function createCompiler(configs: ConfigSet): TsCompiler {
       readDirectory: wrapWithDebug('readDirectory', ts.sys.readDirectory),
       getDirectories: wrapWithDebug('getDirectories', ts.sys.getDirectories),
       directoryExists: wrapWithDebug('directoryExists', ts.sys.directoryExists),
-      getNewLine: () => EOL,
+      getNewLine: () => '\n',
       getCurrentDirectory: () => cwd,
       getCompilationSettings: () => compilerOptions,
       getDefaultLibFileName: () => ts.getDefaultLibFilePath(compilerOptions),

src/lib/config-set.ts

@@ -29,7 +29,6 @@ import {
   FormatDiagnosticsHost,
   ParsedCommandLine,
 } from 'typescript'
-import { EOL } from 'os'
 import { TSError } from './ts-error'
 import { sha1 } from './sha1'
 import { stringify } from './json'
@@ -354,7 +353,7 @@ export class ConfigSet {
       : this.compilerModule.formatDiagnostics
 
     const diagnosticHost: FormatDiagnosticsHost = {
-      getNewLine: () => EOL,
+      getNewLine: () => '\n',
       getCurrentDirectory: () => this.cwd,
       getCanonicalFileName: path => path,
     }