CHANGELOG.md

@@ -2,6 +2,21 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+<a name="13.3.0"></a>
+# [13.3.0](https://github.com/istanbuljs/nyc/compare/v13.2.0...v13.3.0) (2019-02-14)
+
+
+### Bug Fixes
+
+* update dependendencies due to vulnerabilities ([#992](https://github.com/istanbuljs/nyc/issues/992)) ([e8cc59b](https://github.com/istanbuljs/nyc/commit/e8cc59b)), closes [#991](https://github.com/istanbuljs/nyc/issues/991)
+
+
+### Features
+
+* Support nyc report --check-coverage ([#984](https://github.com/istanbuljs/nyc/issues/984)) ([dd48410](https://github.com/istanbuljs/nyc/commit/dd48410))
+
+
+
 <a name="13.2.0"></a>
 # [13.2.0](https://github.com/istanbuljs/nyc/compare/v13.1.0...v13.2.0) (2019-01-27)
 

lib/commands/report.js

@@ -39,11 +39,51 @@ exports.builder = function (yargs) {
       type: 'boolean',
       global: false
     })
+    .option('check-coverage', {
+      type: 'boolean',
+      default: false,
+      describe: 'check whether coverage is within thresholds provided',
+      global: false
+    })
+    .option('branches', {
+      default: 0,
+      description: 'what % of branches must be covered?',
+      global: false
+    })
+    .option('functions', {
+      default: 0,
+      description: 'what % of functions must be covered?',
+      global: false
+    })
+    .option('lines', {
+      default: 90,
+      description: 'what % of lines must be covered?',
+      global: false
+    })
+    .option('statements', {
+      default: 0,
+      description: 'what % of statements must be covered?',
+      global: false
+    })
+    .option('per-file', {
+      default: false,
+      type: 'boolean',
+      description: 'check thresholds per file',
+      global: false
+    })
     .example('$0 report --reporter=lcov', 'output an HTML lcov report to ./coverage')
 }
 
 exports.handler = function (argv) {
   process.env.NYC_CWD = process.cwd()
   var nyc = new NYC(argv)
   nyc.report()
+  if (argv.checkCoverage) {
+    nyc.checkCoverage({
+      lines: argv.lines,
+      functions: argv.functions,
+      branches: argv.branches,
+      statements: argv.statements
+    }, argv['per-file'])
+  }
 }

lib/instrumenters/istanbul.js

@@ -1,14 +1,14 @@
 'use strict'
 
-var convertSourceMap = require('convert-source-map')
-var mergeSourceMap = require('merge-source-map')
+const { createInstrumenter } = require('istanbul-lib-instrument')
+const convertSourceMap = require('convert-source-map')
+const mergeSourceMap = require('merge-source-map')
 
 function InstrumenterIstanbul (cwd, options) {
   const plugins = options.plugins
   const configPlugins = plugins ? { plugins } : {}
 
-  var istanbul = InstrumenterIstanbul.istanbul()
-  var instrumenter = istanbul.createInstrumenter(Object.assign({
+  const instrumenter = createInstrumenter(Object.assign({
     autoWrap: true,
     coverageVariable: '__coverage__',
     embedSource: true,
@@ -20,7 +20,7 @@ function InstrumenterIstanbul (cwd, options) {
   }, configPlugins))
 
   return {
-    instrumentSync: function (code, filename, sourceMap) {
+    instrumentSync (code, filename, sourceMap) {
       var instrumented = instrumenter.instrumentSync(code, filename)
       // the instrumenter can optionally produce source maps,
       // this is useful for features like remapping stack-traces.
@@ -39,16 +39,10 @@ function InstrumenterIstanbul (cwd, options) {
       }
       return instrumented
     },
-    lastFileCoverage: function () {
+    lastFileCoverage () {
       return instrumenter.lastFileCoverage()
     }
   }
 }
 
-InstrumenterIstanbul.istanbul = function () {
-  InstrumenterIstanbul._istanbul || (InstrumenterIstanbul._istanbul = require('istanbul-lib-instrument'))
-
-  return InstrumenterIstanbul._istanbul || (InstrumenterIstanbul._istanbul = require('istanbul'))
-}
-
 module.exports = InstrumenterIstanbul

lib/instrumenters/noop.js

@@ -1,18 +1,18 @@
-var FileCoverage = require('istanbul-lib-coverage').classes.FileCoverage
-var readInitialCoverage = require('istanbul-lib-instrument').readInitialCoverage
+const { FileCoverage } = require('istanbul-lib-coverage').classes
+const { readInitialCoverage } = require('istanbul-lib-instrument')
 
 function NOOP () {
   return {
-    instrumentSync: function (code, filename) {
-      var extracted = readInitialCoverage(code)
+    instrumentSync (code, filename) {
+      const extracted = readInitialCoverage(code)
       if (extracted) {
         this.fileCoverage = new FileCoverage(extracted.coverageData)
       } else {
         this.fileCoverage = null
       }
       return code
     },
-    lastFileCoverage: function () {
+    lastFileCoverage () {
       return this.fileCoverage
     }
   }