fix(caching): fixes a possible cache collision

e2e/__helpers__/test-case/__hooks-source__.js.hbs

@@ -1,27 +1,27 @@
 // this is a template!
 
-const fs = require('fs');
-const path = require('path');
-const root = __dirname;
-const writeProcessIoTo = {{writeProcessIoTo}};
+const fs = require('fs')
+const path = require('path')
+const root = __dirname
+const writeProcessIoTo = {{writeProcessIoTo}}
 
 exports.afterProcess = function (args, result) {
-  // const source = args[0];
-  const filePath = args[1];
-  const relPath = path.relative(root, filePath);
+  // const source = args[0]
+  const filePath = args[1]
+  const relPath = path.relative(root, filePath)
   if (writeProcessIoTo && filePath.startsWith(`${root}${path.sep}`)) {
-    const dest = `${path.join(writeProcessIoTo, relPath)}.json`;
-    const segments = relPath.split(path.sep);
-    segments.pop();
-    const madeSegments = [];
+    const dest = `${path.join(writeProcessIoTo, relPath)}.json`
+    const segments = relPath.split(path.sep)
+    segments.pop()
+    const madeSegments = []
     segments.forEach(segment => {
-      madeSegments.push(segment);
-      const p = join(writeProcessIoTo, madeSegments.join(sep));
-      if (!fs.existsSync(p)) fs.mkdirSync(p);
-    });
+      madeSegments.push(segment)
+      const p = path.join(writeProcessIoTo, madeSegments.join(path.sep))
+      if (!fs.existsSync(p)) fs.mkdirSync(p)
+    })
     fs.writeFileSync(dest, JSON.stringify({
       in: args,
       out: result,
-    }), 'utf8');
+    }), 'utf8')
   }
 }

src/config/config-set.ts

@@ -39,6 +39,7 @@ import { version as myVersion } from '..'
 import semver from 'semver'
 import { rootLogger } from '../util/logger'
 import { Logger } from 'bs-logger'
+import { getPackageVersion } from '../util/get-package-version'
 
 const logger = rootLogger.child({ namespace: 'config' })
 
@@ -235,7 +236,7 @@ export class ConfigSet {
       tsConfig,
       babelConfig,
       diagnostics,
-      typeCheck: !!options.typeCheck,
+      isolatedModules: !!options.isolatedModules,
       compiler: options.compiler || 'typescript',
       stringifyContentPathRegex,
     }
@@ -251,6 +252,21 @@ export class ConfigSet {
     return this._typescript.input
   }
 
+  @Memoize()
+  get versions(): Record<string, string> {
+    const modules = ['jest', this.tsJest.compiler, 'tslib']
+    if (this.tsJest.babelConfig) {
+      modules.push('@babel/core', 'babel-core', 'babel-jest')
+    }
+    return modules.reduce(
+      (map, name) => {
+        map[name] = getPackageVersion(name) || '-'
+        return map
+      },
+      { 'ts-jest': myVersion } as Record<string, string>,
+    )
+  }
+
   @Memoize()
   private get _typescript(): ReadTsConfigResult {
     const {
@@ -423,7 +439,7 @@ export class ConfigSet {
         version: this.compilerModule.version,
         compiler: this.tsJest.compiler,
         compilerOptions: this.typescript.options,
-        typeCheck: this.tsJest.typeCheck,
+        isolatedModules: this.tsJest.isolatedModules,
         ignoreDiagnostics: this.tsJest.diagnostics.ignoreCodes,
       }),
     )
@@ -555,7 +571,7 @@ export class ConfigSet {
     delete globals['ts-jest']
 
     return new JsonableValue({
-      version: myVersion,
+      versions: this.versions,
       jest,
       tsJest: this.tsJest,
       babel: this.babel,