1- /**
2- * This code is heavily inspired from
3- * https://github.com/JsCommunity/make-error/blob/v1.3.4/index.js
4- * ...but more modified than expected :-D
5- * Below is the original license anyway:
6- *
7- * ---
8- *
9- * The MIT License (MIT)
10- *
11- * Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
12- *
13- * Permission is hereby granted, free of charge, to any person obtaining a copy
14- * of this software and associated documentation files (the "Software"), to deal
15- * in the Software without restriction, including without limitation the rights
16- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
17- * copies of the Software, and to permit persons to whom the Software is
18- * furnished to do so, subject to the following conditions:
19- *
20- * The above copyright notice and this permission notice shall be included in
21- * all copies or substantial portions of the Software.
22- *
23- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
28- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29- * THE SOFTWARE.
30- */
31-
321import { Logger } from 'bs-logger'
33- import { readFileSync , writeFileSync } from 'fs'
2+ import { readFileSync } from 'fs'
343import mkdirp = require( 'mkdirp' )
35- import { basename , extname , join } from 'path'
4+ import { basename , extname } from 'path'
365
376import { ConfigSet } from '../config/config-set'
38- import { CompileFn , CompilerInstance , MemoryCache , TSFile , TsCompiler } from '../types'
39- import { sha1 } from '../util/sha1'
7+ import { CompileFn , CompilerInstance , MemoryCache , TsCompiler } from '../types'
408
419import { getResolvedModulesCache } from './compiler-utils'
4210import { initializeLanguageServiceInstance } from './language-service'
@@ -72,74 +40,27 @@ const updateSourceMap = (sourceMapText: string, normalizedFileName: string): str
7240 return JSON . stringify ( sourceMap )
7341}
7442
75- /**
76- * Get the file name for the cache entry.
77- */
78- const getCacheName = ( sourceCode : string , normalizedFileName : string ) : string => {
79- return sha1 ( normalizedFileName , '\x00' , sourceCode )
80- }
81-
82- /**
83- * Ensure the given cached content is valid by sniffing for a base64 encoded '}'
84- * at the end of the content, which should exist if there is a valid sourceMap present.
85- */
86- const isValidCacheContent = ( contents : string ) : boolean => {
87- return / (?: 9 | 0 = | Q = = ) $ / . test ( contents . slice ( - 3 ) )
88- }
89-
9043/**
9144 * Compile files which are provided by jest via transform config and cache the result in file system if users run with
9245 * cache mode
9346 */
9447const compileAndCacheResult = (
95- cacheDir : string | undefined ,
9648 memoryCache : MemoryCache ,
9749 compileFn : CompileFn ,
9850 getExtension : ( fileName : string ) => string ,
9951 logger : Logger ,
10052) => {
10153 return ( code : string , fileName : string , lineOffset ?: number ) => {
102- function getCompileOutput ( ) : string {
103- const [ value , sourceMap ] = compileFn ( code , fileName , lineOffset )
104- const output = updateOutput ( value , fileName , sourceMap , getExtension )
105- memoryCache . files . set ( fileName , {
106- ...memoryCache . files . get ( fileName ) ! ,
107- output,
108- } )
54+ logger . debug ( { fileName } , 'compileAndCacheResult(): get compile output' )
10955
110- return output
56+ const [ value , sourceMap ] = compileFn ( code , fileName , lineOffset )
57+ const output = updateOutput ( value , fileName , sourceMap , getExtension )
58+ memoryCache . files [ fileName ] = {
59+ ...memoryCache . files [ fileName ] ,
60+ output,
11161 }
112- if ( ! cacheDir ) {
113- logger . debug ( { fileName } , 'compileAndCacheResult(): no cache' )
114-
115- return getCompileOutput ( )
116- } else {
117- const cachePath = join ( cacheDir , getCacheName ( code , fileName ) )
118- const extension = getExtension ( fileName )
119- const outputPath = `${ cachePath } ${ extension }
120- try {
121- const output = readFileSync ( outputPath , 'utf8' )
122- if ( isValidCacheContent ( output ) ) {
123- logger . debug ( { fileName } , 'compileAndCacheResult(): cache hit' )
124- memoryCache . files . set ( fileName , {
125- ...memoryCache . files . get ( fileName ) ! ,
126- output,
127- } )
128-
129- return output
130- }
131- } catch ( err ) { }
132-
133- logger . debug ( { fileName } , 'compileAndCacheResult(): cache miss' )
134-
135- const output = getCompileOutput ( )
13662
137- logger . debug ( { fileName, outputPath } , 'compileAndCacheResult(): writing caches' )
138-
139- writeFileSync ( outputPath , output )
140-
141- return output
142- }
63+ return output
14364 }
14465}
14566
@@ -157,8 +78,8 @@ export const createCompilerInstance = (configs: ConfigSet): TsCompiler => {
15778 const ts = configs . compilerModule // Require the TypeScript compiler and configuration.
15879 const extensions = [ '.ts' , '.tsx' ]
15980 const memoryCache : MemoryCache = {
81+ files : Object . create ( null ) ,
16082 resolvedModules : Object . create ( null ) ,
161- files : new Map < string , TSFile > ( ) ,
16283 }
16384 // Enable `allowJs` when flag is set.
16485 if ( compilerOptions . allowJs ) {
@@ -169,16 +90,16 @@ export const createCompilerInstance = (configs: ConfigSet): TsCompiler => {
16990 // Make sure the cache directory exists before continuing.
17091 mkdirp . sync ( cacheDir )
17192 try {
172- const resolvedModulesCache = readFileSync ( getResolvedModulesCache ( cacheDir ) , 'utf-8' )
93+ const fsMemoryCache = readFileSync ( getResolvedModulesCache ( cacheDir ) , 'utf-8' )
17394 /* istanbul ignore next (covered by e2e) */
174- memoryCache . resolvedModules = JSON . parse ( resolvedModulesCache )
95+ memoryCache . resolvedModules = JSON . parse ( fsMemoryCache )
17596 } catch ( e ) { }
17697 }
17798 /* istanbul ignore next (we leave this for e2e) */
17899 configs . jest . setupFiles . concat ( configs . jest . setupFilesAfterEnv ) . forEach ( setupFile => {
179- memoryCache . files . set ( setupFile , {
100+ memoryCache . files [ setupFile ] = {
180101 version : 0 ,
181- } )
102+ }
182103 } )
183104 /**
184105 * Get the extension for a transpiled file.
@@ -194,7 +115,7 @@ export const createCompilerInstance = (configs: ConfigSet): TsCompiler => {
194115 } else {
195116 compilerInstance = initializeTranspilerInstance ( configs , memoryCache , logger )
196117 }
197- const compile = compileAndCacheResult ( cacheDir , memoryCache , compilerInstance . compileFn , getExtension , logger )
118+ const compile = compileAndCacheResult ( memoryCache , compilerInstance . compileFn , getExtension , logger )
198119
199120 return { cwd : configs . cwd , compile, program : compilerInstance . program }
200121}
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