Stop using istanbul-api (#8294)

CHANGELOG.md

@@ -25,6 +25,7 @@
 
 - `[expect]` Fix label and add opposite assertion for toEqual tests ([#8288](https://github.com/facebook/jest/pull/8288))
 - `[docs]` Mention Jest MongoDB Preset ([#8318](https://github.com/facebook/jest/pull/8318))
+- `[@jest/reporters]` Migrate away from `istanbul-api` ([#8294](https://github.com/facebook/jest/pull/8294))
 
 ### Performance
 

package.json

@@ -43,8 +43,9 @@
     "glob": "^7.1.1",
     "graceful-fs": "^4.1.15",
     "isbinaryfile": "^4.0.0",
-    "istanbul-api": "^2.0.8",
     "istanbul-lib-coverage": "^2.0.2",
+    "istanbul-lib-report": "^2.0.4",
+    "istanbul-reports": "^2.1.1",
     "jest-junit": "^6.2.1",
     "jest-silent-reporter": "^0.1.2",
     "jest-snapshot-serializer-raw": "^1.1.0",

packages/jest-reporters/package.json

@@ -12,10 +12,11 @@
     "chalk": "^2.0.1",
     "exit": "^0.1.2",
     "glob": "^7.1.2",
-    "istanbul-api": "^2.1.1",
     "istanbul-lib-coverage": "^2.0.2",
     "istanbul-lib-instrument": "^3.0.1",
+    "istanbul-lib-report": "^2.0.4",
     "istanbul-lib-source-maps": "^3.0.1",
+    "istanbul-reports": "^2.1.1",
     "jest-haste-map": "^24.7.1",
     "jest-resolve": "^24.7.1",
     "jest-runtime": "^24.7.1",
@@ -31,7 +32,9 @@
     "@types/glob": "^7.1.1",
     "@types/istanbul-lib-coverage": "^2.0.0",
     "@types/istanbul-lib-instrument": "^1.7.2",
+    "@types/istanbul-lib-report": "^1.1.0",
     "@types/istanbul-lib-source-maps": "^1.2.1",
+    "@types/istanbul-reports": "^1.1.0",
     "@types/node-notifier": "^5.4.0",
     "@types/slash": "^2.0.0",
     "@types/string-length": "^2.0.0",

packages/jest-reporters/src/__tests__/coverage_reporter.test.js

@@ -5,23 +5,22 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-jest.mock('istanbul-lib-source-maps').mock('istanbul-api');
+jest
+  .mock('istanbul-lib-source-maps')
+  .mock('istanbul-lib-report', () => ({
+    createContext: jest.fn(),
+    summarizers: {pkg: jest.fn(() => ({visit: jest.fn()}))},
+  }))
+  .mock('istanbul-reports');
 
 let libCoverage;
 let libSourceMaps;
 let CoverageReporter;
-let istanbulApi;
 
 import path from 'path';
 import mock from 'mock-fs';
 
 beforeEach(() => {
-  istanbulApi = require('istanbul-api');
-  istanbulApi.createReporter = jest.fn(() => ({
-    addAll: jest.fn(),
-    write: jest.fn(),
-  }));
-
   CoverageReporter = require('../coverage_reporter').default;
   libCoverage = require('istanbul-lib-coverage');
   libSourceMaps = require('istanbul-lib-source-maps');

packages/jest-reporters/src/coverage_reporter.ts

@@ -5,14 +5,12 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-// TODO: Remove this
-/// <reference path="../istanbul-api.d.ts" />
-
 import path from 'path';
 import {Config} from '@jest/types';
 import {AggregatedResult, TestResult} from '@jest/test-result';
 import {clearLine, isInteractive} from 'jest-util';
-import {createReporter} from 'istanbul-api';
+import istanbulReport from 'istanbul-lib-report';
+import istanbulReports from 'istanbul-reports';
 import chalk from 'chalk';
 import istanbulCoverage, {
   CoverageMap,
@@ -88,20 +86,21 @@ export default class CoverageReporter extends BaseReporter {
       this._coverageMap,
     );
 
-    const reporter = createReporter();
     try {
-      if (this._globalConfig.coverageDirectory) {
-        reporter.dir = this._globalConfig.coverageDirectory;
-      }
-
+      const reportContext = istanbulReport.createContext({
+        dir: this._globalConfig.coverageDirectory,
+        sourceFinder,
+      });
       const coverageReporters = this._globalConfig.coverageReporters || [];
 
       if (!this._globalConfig.useStderr && coverageReporters.length < 1) {
         coverageReporters.push('text-summary');
       }
 
-      reporter.addAll(coverageReporters);
-      reporter.write(map, sourceFinder && {sourceFinder});
+      const tree = istanbulReport.summarizers.pkg(map);
+      coverageReporters.forEach(reporter => {
+        tree.visit(istanbulReports.create(reporter, {}), reportContext);
+      });
       aggregatedResults.coverageMap = map;
     } catch (e) {
       console.error(

packages/jest-types/package.json

@@ -14,6 +14,7 @@
   "types": "build/index.d.ts",
   "dependencies": {
     "@types/istanbul-lib-coverage": "^2.0.0",
+    "@types/istanbul-reports": "^1.1.1",
     "@types/yargs": "^12.0.9"
   },
   "publishConfig": {

packages/jest-types/src/Config.ts

@@ -6,6 +6,7 @@
  */
 
 import {Arguments} from 'yargs';
+import {ReportOptions} from 'istanbul-reports';
 
 export type Path = string;
 
@@ -296,7 +297,7 @@ export type GlobalConfig = {
     | undefined;
   coverageDirectory: string;
   coveragePathIgnorePatterns?: Array<string>;
-  coverageReporters: Array<string>;
+  coverageReporters: Array<keyof ReportOptions>;
   coverageThreshold: CoverageThreshold;
   detectLeaks: boolean;
   detectOpenHandles: boolean;

scripts/mapCoverage.js

@@ -25,12 +25,14 @@
  * produce a full coverage report.
  */
 
-const createReporter = require('istanbul-api').createReporter;
+const istanbulReport = require('istanbul-lib-report');
+const istanbulReports = require('istanbul-reports');
 const istanbulCoverage = require('istanbul-lib-coverage');
 const coverage = require('../coverage/coverage-final.json');
 
 const map = istanbulCoverage.createCoverageMap();
-const reporter = createReporter();
+
+const context = istanbulReport.createContext();
 
 const mapFileCoverage = fileCoverage => {
   fileCoverage.path = fileCoverage.path.replace(
@@ -44,5 +46,7 @@ Object.keys(coverage).forEach(filename =>
   map.addFileCoverage(mapFileCoverage(coverage[filename]))
 );
 
-reporter.addAll(['json', 'lcov', 'text']);
-reporter.write(map);
+const tree = istanbulReport.summarizers.pkg(map);
+['json', 'lcov', 'text'].forEach(reporter =>
+  tree.visit(istanbulReports.create(reporter, {}), context)
+);

yarn.lock

@@ -1749,6 +1749,13 @@
     "@types/istanbul-lib-coverage" "*"
     source-map "^0.6.1"
 
+"@types/istanbul-lib-report@*", "@types/istanbul-lib-report@^1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@types/istanbul-lib-report/-/istanbul-lib-report-1.1.0.tgz#79e9b463f947e98dcc82272da51b908fc93e8aea"
+  integrity sha512-nW5QuzmMhr7fHPijtaGOemFFI8Ctrxb/dIXgouSlKmWT16RxWlGLEX/nGghIBOReKe9hPFZXoNh338nFQk2xcA==
+  dependencies:
+    "@types/istanbul-lib-coverage" "*"
+
 "@types/istanbul-lib-source-maps@^1.2.1":
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.2.1.tgz#c6db98b8b9f0b5aea000f7a8922cc075a85eda9f"
@@ -1757,6 +1764,14 @@
     "@types/istanbul-lib-coverage" "*"
     source-map "^0.6.1"
 
+"@types/istanbul-reports@^1.1.0", "@types/istanbul-reports@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@types/istanbul-reports/-/istanbul-reports-1.1.1.tgz#7a8cbf6a406f36c8add871625b278eaf0b0d255a"
+  integrity sha512-UpYjBi8xefVChsCoBpKShdxTllC9pwISirfoZsUa2AAdQg/Jd2KQGtSbw+ya7GPo7x/wAPlH6JBhKhAsXUEZNA==
+  dependencies:
+    "@types/istanbul-lib-coverage" "*"
+    "@types/istanbul-lib-report" "*"
+
 "@types/jest@*", "@types/jest@24.0.2":
   version "24.0.2"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-24.0.2.tgz#a10ad017ee020b2dfa97655323dbf1f38f14f588"
@@ -2354,13 +2369,6 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
-append-transform@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-1.0.0.tgz#046a52ae582a228bd72f58acfbe2967c678759ab"
-  integrity sha512-P009oYkeHyU742iSZJzZZywj4QRJdnTWffaKuJQLablCZ1uz6/cW4yaRgcDaoQ+uwOxxnt0gRUcwfsNP2ri0gw==
-  dependencies:
-    default-require-extensions "^2.0.0"
-
 aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
@@ -3787,11 +3795,6 @@ compare-func@^1.3.1:
     array-ify "^1.0.0"
     dot-prop "^3.0.0"
 
-compare-versions@^3.2.1:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.4.0.tgz#e0747df5c9cb7f054d6d3dc3e1dbc444f9e92b26"
-  integrity sha512-tK69D7oNXXqUW3ZNo/z7NXTEz22TCF0pTE+YF9cxvaAM9XnkLo1fV621xCLrRR6aevJlKxExkss0vWqUCUpqdg==
-
 component-bind@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/component-bind/-/component-bind-1.0.0.tgz#00c608ab7dcd93897c0009651b1d3a8e1e73bbd1"
@@ -4470,13 +4473,6 @@ deepmerge@^2.0.1, deepmerge@^2.1.1:
   resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-2.2.1.tgz#5d3ff22a01c00f645405a2fbc17d0778a1801170"
   integrity sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA==
 
-default-require-extensions@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-2.0.0.tgz#f5f8fbb18a7d6d50b21f641f649ebb522cfe24f7"
-  integrity sha1-9fj7sYp9bVCyH2QfZJ67Uiz+JPc=
-  dependencies:
-    strip-bom "^3.0.0"
-
 defaults@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
@@ -5856,14 +5852,6 @@ filenamify@^2.0.0:
     strip-outer "^1.0.0"
     trim-repeated "^1.0.0"
 
-fileset@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/fileset/-/fileset-2.0.3.tgz#8e7548a96d3cc2327ee5e674168723a333bba2a0"
-  integrity sha1-jnVIqW08wjJ+5eZ0FocjozO7oqA=
-  dependencies:
-    glob "^7.0.3"
-    minimatch "^3.0.3"
-
 filesize@3.5.11:
   version "3.5.11"
   resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.5.11.tgz#1919326749433bb3cf77368bd158caabcc19e9ee"
@@ -7553,38 +7541,12 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
-istanbul-api@^2.0.8, istanbul-api@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-2.1.1.tgz#194b773f6d9cbc99a9258446848b0f988951c4d0"
-  integrity sha512-kVmYrehiwyeBAk/wE71tW6emzLiHGjYIiDrc8sfyty4F8M02/lrgXSm+R1kXysmF20zArvmZXjlE/mg24TVPJw==
-  dependencies:
-    async "^2.6.1"
-    compare-versions "^3.2.1"
-    fileset "^2.0.3"
-    istanbul-lib-coverage "^2.0.3"
-    istanbul-lib-hook "^2.0.3"
-    istanbul-lib-instrument "^3.1.0"
-    istanbul-lib-report "^2.0.4"
-    istanbul-lib-source-maps "^3.0.2"
-    istanbul-reports "^2.1.1"
-    js-yaml "^3.12.0"
-    make-dir "^1.3.0"
-    minimatch "^3.0.4"
-    once "^1.4.0"
-
 istanbul-lib-coverage@^2.0.2, istanbul-lib-coverage@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.3.tgz#0b891e5ad42312c2b9488554f603795f9a2211ba"
   integrity sha512-dKWuzRGCs4G+67VfW9pBFFz2Jpi4vSp/k7zBcJ888ofV5Mi1g5CUML5GvMvV6u9Cjybftu+E8Cgp+k0dI1E5lw==
 
-istanbul-lib-hook@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-2.0.3.tgz#e0e581e461c611be5d0e5ef31c5f0109759916fb"
-  integrity sha512-CLmEqwEhuCYtGcpNVJjLV1DQyVnIqavMLFHV/DP+np/g3qvdxu3gsPqYoJMXm15sN84xOlckFB3VNvRbf5yEgA==
-  dependencies:
-    append-transform "^1.0.0"
-
-istanbul-lib-instrument@^3.0.0, istanbul-lib-instrument@^3.0.1, istanbul-lib-instrument@^3.1.0:
+istanbul-lib-instrument@^3.0.0, istanbul-lib-instrument@^3.0.1:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-3.1.0.tgz#a2b5484a7d445f1f311e93190813fa56dfb62971"
   integrity sha512-ooVllVGT38HIk8MxDj/OIHXSYvH+1tq/Vb38s8ixt9GoJadXska4WkGY+0wkmtYCZNYtaARniH/DixUGGLZ0uA==
@@ -7606,7 +7568,7 @@ istanbul-lib-report@^2.0.4:
     make-dir "^1.3.0"
     supports-color "^6.0.0"
 
-istanbul-lib-source-maps@^3.0.1, istanbul-lib-source-maps@^3.0.2:
+istanbul-lib-source-maps@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-3.0.2.tgz#f1e817229a9146e8424a28e5d69ba220fda34156"
   integrity sha512-JX4v0CiKTGp9fZPmoxpu9YEkPbEqCqBbO3403VabKjH+NRXo72HafD5UgnjTEqHL2SAjaZK1XDuDOkn6I5QVfQ==
@@ -8920,7 +8882,7 @@ minimatch@3.0.3:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2:
+minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4, minimatch@~3.0.2:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==