c8 - npm Package Compare versions

Comparing version 3.0.0-alpha.4 to 3.0.0-candidate.0

bin/c8.js

@@ -7,5 +7,4 @@ #!/usr/bin/env node
 const report = require('../lib/report')
-const {resolve} = require('path')
+const { resolve } = require('path')
 const rimraf = require('rimraf')
-const sw = require('spawn-wrap')
 const {
@@ -16,7 +15,4 @@ hideInstrumenteeArgs,
 } = require('../lib/parse-args')
-
 const instrumenterArgs = hideInstrumenteeArgs()
-
 const argv = yargs.parse(instrumenterArgs)
-
 const tmpDirctory = resolve(argv.coverageDirectory, './tmp')
@@ -26,12 +22,13 @@ rimraf.sync(tmpDirctory)
 
-sw([require.resolve('../lib/wrap')], {
-  C8_ARGV: JSON.stringify(argv)
-})
+process.env.NODE_V8_COVERAGE = tmpDirctory
 
 foreground(hideInstrumenterArgs(argv), (out) => {
   report({
+    include: argv.include,
+    exclude: argv.exclude,
     reporter: Array.isArray(argv.reporter) ? argv.reporter : [argv.reporter],
     coverageDirectory: argv.coverageDirectory,
-    watermarks: argv.watermarks
+    watermarks: argv.watermarks,
+    resolve: argv.resolve
   })
 })

lib/parse-args.js

 const Exclude = require('test-exclude')
 const findUp = require('find-up')
-const {readFileSync} = require('fs')
+const { readFileSync } = require('fs')
 const yargs = require('yargs')
@@ -31,2 +31,6 @@ const parser = require('yargs-parser')
   })
+  .option('resolve', {
+    default: '',
+    describe: 'resolve paths to alternate base directory'
+  })
   .pkgConf('c8')
@@ -33,0 +37,0 @@ .config(config)

lib/report.js

@@ -0,12 +1,27 @@
+const Exclude = require('test-exclude')
 const libCoverage = require('istanbul-lib-coverage')
 const libReport = require('istanbul-lib-report')
 const reports = require('istanbul-reports')
-const {readdirSync, readFileSync} = require('fs')
-const {resolve} = require('path')
+const { readdirSync, readFileSync } = require('fs')
+const { resolve } = require('path')
+const v8CoverageMerge = require('v8-coverage-merge')
+const v8toIstanbul = require('v8-to-istanbul')
 
 class Report {
-  constructor ({reporter, coverageDirectory, watermarks}) {
+  constructor ({
+    exclude,
+    include,
+    reporter,
+    coverageDirectory,
+    watermarks,
+    resolve
+  }) {
     this.reporter = reporter
     this.coverageDirectory = coverageDirectory
     this.watermarks = watermarks
+    this.resolve = resolve
+    this.exclude = Exclude({
+      exclude: exclude,
+      include: include
+    })
   }
@@ -28,5 +43,30 @@ run () {
     const map = libCoverage.createCoverageMap({})
+    const mergedResults = {}
+    this._loadReports().forEach((report) => {
+      report.result.forEach((result) => {
+        if (this.exclude.shouldInstrument(result.url)) {
+          if (mergedResults[result.url]) {
+            mergedResults[result.url] = v8CoverageMerge(
+              mergedResults[result.url],
+              result
+            )
+          } else {
+            mergedResults[result.url] = result
+          }
+        }
+      })
+    })
 
-    this._loadReports().forEach(function (report) {
-      map.merge(report)
+    Object.keys(mergedResults).forEach((url) => {
+      const result = mergedResults[url]
+      // console.info(JSON.stringify(result, null, 2))
+      try {
+        const path = resolve(this.resolve, result.url)
+        const script = v8toIstanbul(path)
+        script.applyCoverage(result.functions)
+        map.merge(script.toIstanbul())
+      } catch (err) {
+        // most likely this was an internal Node.js library.
+        if (err.code !== 'ENOENT') throw err
+      }
     })
@@ -33,0 +73,0 @@

package.json

 {
   "name": "c8",
-  "version": "3.0.0-alpha.4",
+  "version": "3.0.0-candidate.0",
   "description": "collect test coverage using v8's inspector",
@@ -8,12 +8,6 @@ "main": "index.js",
   "scripts": {
-    "bundle": "bundle-dependencies update",
-    "test": "nyc mocha ./test/*.js",
+    "test": "./bin/c8.js --reporter=html --reporter=text mocha ./test/*.js",
     "posttest": "standard",
     "release": "standard-version"
   },
-  "c8": {
-    "exclude": [
-      "test/*.js"
-    ]
-  },
   "standard": {
@@ -32,47 +26,33 @@ "ignore": [
   ],
-  "engines": {
-    "node": ">=8.8.1"
-  },
   "author": "Ben Coe <[e-mail]>",
   "license": "ISC",
   "dependencies": {
-    "find-up": "^2.1.0",
+    "find-up": "^3.0.0",
     "foreground-child": "^1.5.6",
-    "istanbul-lib-coverage": "^1.1.1",
-    "istanbul-lib-report": "^1.1.2",
-    "istanbul-reports": "^1.1.3",
+    "istanbul-lib-coverage": "^2.0.1",
+    "istanbul-lib-report": "^2.0.1",
+    "istanbul-reports": "^2.0.0",
     "mkdirp": "^0.5.1",
     "rimraf": "^2.6.2",
-    "signal-exit": "^3.0.2",
-    "spawn-wrap": "^1.4.2",
-    "test-exclude": "^4.1.1",
-    "uuid": "^3.1.0",
+    "test-exclude": "^5.0.0",
+    "uuid": "^3.3.2",
+    "v8-coverage-merge": "^1.1.2",
     "v8-to-istanbul": "^1.2.0",
-    "yargs": "^10.0.3",
-    "yargs-parser": "^8.0.0"
+    "yargs": "^12.0.2",
+    "yargs-parser": "^10.1.0"
   },
   "devDependencies": {
-    "bundle-dependencies": "^1.0.2",
     "chai": "^4.1.2",
-    "mocha": "^4.0.1",
-    "nyc": "^11.4.1",
-    "standard": "^10.0.3",
-    "standard-version": "^4.2.0"
+    "mocha": "^5.2.0",
+    "standard": "^12.0.1",
+    "standard-version": "^4.4.0"
   },
-  "bundledDependencies": [
-    "find-up",
-    "foreground-child",
-    "istanbul-lib-coverage",
-    "istanbul-lib-report",
-    "istanbul-reports",
-    "mkdirp",
-    "rimraf",
-    "signal-exit",
-    "spawn-wrap",
-    "test-exclude",
-    "uuid",
-    "v8-to-istanbul",
-    "yargs",
-    "yargs-parser"
+  "engines": {
+    "node": ">=10.10.0"
+  },
+  "files": [
+    "lib",
+    "bin",
+    "LICENSE"
   ]
 }

README.md

@@ -1,4 +0,4 @@
-# c8 - native v8 code-coverage
+# c8 - native V8 code-coverage
 
-Code-coverage using [v8's Inspector](https://nodejs.org/dist/latest-v8.x/docs/api/inspector.html)
+Code-coverage using [V8's Inspector](https://nodejs.org/dist/latest-v8.x/docs/api/inspector.html)
 that's compatible with [Istanbul's reporters](https://istanbul.js.org/docs/advanced/alternative-reporters/).
@@ -13,11 +13,8 @@
 
-The above example will collect coverage for `foo.js` using v8's inspector.
+The above example will collect coverage for `foo.js` using V8's inspector.
 
-## How it Works
+## Disclaimer
 
-Before running your application c8 creates [an inspector session](https://nodejs.org/api/inspector.html) in v8, and enables v8's
-[built in coverage reporting](https://v8project.blogspot.com/2017/12/javascript-code-coverage.html).
-
-Just before your application exits c8 fetches the coverage information from
-v8 and writes it to disk in a format compatible with
-[Istanbul's reporters](https://istanbul.js.org/).
+c8 uses
+[bleeding edge Node.js features](https://github.com/nodejs/node/pull/22527),
+make sure you're running Node.js `>= 10.10.0`.

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Shell access

Supply chain risk

This module accesses the system shell. Accessing the system shell increases the risk of executing arbitrary code.

Found 1 instance in 1 package

Uses eval

Supply chain risk

Package uses eval() which is a dangerous function. This prevents the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Debug access

Supply chain risk

Uses debug, reflection and dynamic code execution features.

Found 2 instances in 1 package

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 21 instances in 1 package

Filesystem access

Supply chain risk

Accesses the file system, and could potentially read sensitive data.

Found 2 instances in 1 package

AI-detected potential code anomaly

Supply chain risk

AI has identified unusual behaviors that may pose a security risk.

Found 1 instance in 1 package

Minified code

Quality

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

Found 1 instance in 1 package

Mixed license

License

(Experimental) Package contains multiple licenses.

Found 1 instance in 1 package

Non-permissive License

License

(Experimental) A license not known to be considered permissive was found.

Found 1 instance in 1 package

Improved metrics

Dependency count

13

decreased by-7.14%

Dev dependency count

4

decreased by-33.33%

Number of low license alerts

0

decreased by-100%

License quality

100

increased by11.11%

Number of low quality alerts

2

decreased by-50%

Number of low supply chain risk alerts

6

decreased by-96.03%

Number of medium supply chain risk alerts

1

decreased by-95%

Worsened metrics

Total package byte prevSize

8995

decreased by-99.86%

Number of package files

7

decreased by-99.35%

Lines of code

171

decreased by-99.82%

Number of lines in readme file

19

decreased by-13.64%

Dependency changes

• + Addedv8-coverage-merge@^1.1.2

• + Addedansi-regex@2.1.13.0.1(transitive)

• + Addedbalanced-match@1.0.2(transitive)

• + Addedbrace-expansion@1.1.11(transitive)

• + Addedcamelcase@4.1.05.3.1(transitive)

• + Addedcliui@4.1.0(transitive)

• + Addedcode-point-at@1.1.0(transitive)

• + Addedconcat-map@0.0.1(transitive)

• + Addedcross-spawn@4.0.26.0.5(transitive)

• + Addeddecamelize@1.2.0(transitive)

• + Addedend-of-stream@1.4.4(transitive)

• + Addederror-ex@1.3.2(transitive)

• + Addedexeca@1.0.0(transitive)

• + Addedfind-up@3.0.0(transitive)

• + Addedforeground-child@1.5.6(transitive)

• + Addedfs.realpath@1.0.0(transitive)

• + Addedfunction-bind@1.1.2(transitive)

• + Addedget-caller-file@1.0.3(transitive)

• + Addedget-stream@4.1.0(transitive)

• + Addedglob@7.2.3(transitive)

• + Addedgraceful-fs@4.2.11(transitive)

• + Addedhas-flag@3.0.0(transitive)

• + Addedhasown@2.0.2(transitive)

• + Addedhosted-git-info@2.8.9(transitive)

• + Addedhtml-escaper@2.0.2(transitive)

• + Addedinflight@1.0.6(transitive)

• + Addedinherits@2.0.4(transitive)

• + Addedinvert-kv@2.0.0(transitive)

• + Addedis-arrayish@0.2.1(transitive)

• + Addedis-core-module@2.15.1(transitive)

• + Addedis-fullwidth-code-point@1.0.02.0.0(transitive)

• + Addedis-stream@1.1.0(transitive)

• + Addedisexe@2.0.0(transitive)

• + Addedistanbul-lib-coverage@2.0.5(transitive)

• + Addedistanbul-lib-report@2.0.8(transitive)

• + Addedistanbul-reports@2.2.7(transitive)

• + Addedjson-parse-better-errors@1.0.2(transitive)

• + Addedlcid@2.0.0(transitive)

• + Addedload-json-file@4.0.0(transitive)

• + Addedlocate-path@3.0.0(transitive)

• + Addedlru-cache@4.1.5(transitive)

• + Addedmake-dir@2.1.0(transitive)

• + Addedmap-age-cleaner@0.1.3(transitive)

• + Addedmem@4.3.0(transitive)

• + Addedmimic-fn@2.1.0(transitive)

• + Addedminimatch@3.1.2(transitive)

• + Addedminimist@1.2.8(transitive)

• + Addedmkdirp@0.5.6(transitive)

• + Addednice-try@1.0.5(transitive)

• + Addednormalize-package-data@2.5.0(transitive)

• + Addednpm-run-path@2.0.2(transitive)

• + Addednumber-is-nan@1.0.1(transitive)

• + Addedonce@1.4.0(transitive)

• + Addedos-locale@3.1.0(transitive)

• + Addedp-defer@1.0.0(transitive)

• + Addedp-finally@1.0.0(transitive)

• + Addedp-is-promise@2.1.0(transitive)

• + Addedp-limit@2.3.0(transitive)

• + Addedp-locate@3.0.0(transitive)

• + Addedp-try@2.2.0(transitive)

• + Addedparse-json@4.0.0(transitive)

• + Addedpath-exists@3.0.0(transitive)

• + Addedpath-is-absolute@1.0.1(transitive)

• + Addedpath-key@2.0.1(transitive)

• + Addedpath-parse@1.0.7(transitive)

• + Addedpath-type@3.0.0(transitive)

• + Addedpify@3.0.04.0.1(transitive)

• + Addedpseudomap@1.0.2(transitive)

• + Addedpump@3.0.2(transitive)

• + Addedread-pkg@3.0.0(transitive)

• + Addedread-pkg-up@4.0.0(transitive)

• + Addedrequire-directory@2.1.1(transitive)

• + Addedrequire-main-filename@1.0.12.0.0(transitive)

• + Addedresolve@1.22.8(transitive)

• + Addedrimraf@2.7.1(transitive)

• + Addedsemver@5.7.2(transitive)

• + Addedset-blocking@2.0.0(transitive)

• + Addedshebang-command@1.2.0(transitive)

• + Addedshebang-regex@1.0.0(transitive)

• + Addedsignal-exit@3.0.7(transitive)

• + Addedspdx-correct@3.2.0(transitive)

• + Addedspdx-exceptions@2.5.0(transitive)

• + Addedspdx-expression-parse@3.0.1(transitive)

• + Addedspdx-license-ids@3.0.20(transitive)

• + Addedstring-width@1.0.22.1.1(transitive)

• + Addedstrip-ansi@3.0.14.0.0(transitive)

• + Addedstrip-bom@3.0.0(transitive)

• + Addedstrip-eof@1.0.0(transitive)

• + Addedsupports-color@6.1.0(transitive)

• + Addedsupports-preserve-symlinks-flag@1.0.0(transitive)

• + Addedtest-exclude@5.2.3(transitive)

• + Addeduuid@3.4.0(transitive)

• + Addedv8-coverage-merge@1.1.2(transitive)

• + Addedv8-to-istanbul@1.2.1(transitive)

• + Addedvalidate-npm-package-license@3.0.4(transitive)

• + Addedwhich@1.3.1(transitive)

• + Addedwhich-module@2.0.1(transitive)

• + Addedwrap-ansi@2.1.0(transitive)

• + Addedwrappy@1.0.2(transitive)

• + Addedy18n@4.0.3(transitive)

• + Addedyallist@2.1.2(transitive)

• + Addedyargs@12.0.5(transitive)

• + Addedyargs-parser@10.1.011.1.1(transitive)

• - Removedsignal-exit@^3.0.2

• - Removedspawn-wrap@^1.4.2

• Updatedfind-up@^3.0.0

• Updatedistanbul-lib-coverage@^2.0.1

• Updatedistanbul-lib-report@^2.0.1

• Updatedistanbul-reports@^2.0.0

• Updatedtest-exclude@^5.0.0

• Updateduuid@^3.3.2

• Updatedyargs@^12.0.2

• Updatedyargs-parser@^10.1.0