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feat: implement Istanbul reporting (bcoe#8)
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Original file line number | Diff line number | Diff line change |
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@@ -1,3 +1,4 @@ | ||
.DS_Store | ||
node_modules | ||
.nyc_output | ||
coverage |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,63 @@ | ||
const Exclude = require('test-exclude') | ||
const findUp = require('find-up') | ||
const {readFileSync} = require('fs') | ||
const yargs = require('yargs') | ||
const parser = require('yargs-parser') | ||
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const configPath = findUp.sync(['.c8rc', '.c8rc.json']) | ||
const config = configPath ? JSON.parse(readFileSync(configPath)) : {} | ||
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yargs | ||
.usage('$0 [opts] [script] [opts]') | ||
.option('reporter', { | ||
alias: 'r', | ||
describe: 'coverage reporter(s) to use', | ||
default: 'text' | ||
}) | ||
.option('exclude', { | ||
alias: 'x', | ||
default: Exclude.defaultExclude, | ||
describe: 'a list of specific files and directories that should be excluded from coverage, glob patterns are supported.' | ||
}) | ||
.option('include', { | ||
alias: 'n', | ||
default: [], | ||
describe: 'a list of specific files that should be covered, glob patterns are supported' | ||
}) | ||
.option('coverage-directory', { | ||
default: './coverage', | ||
describe: 'directory to output coverage JSON and reports' | ||
}) | ||
.pkgConf('c8') | ||
.config(config) | ||
.demandCommand(1) | ||
.epilog('visit https://git.io/vHysA for list of available reporters') | ||
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function hideInstrumenterArgs (yargv) { | ||
var argv = process.argv.slice(1) | ||
argv = argv.slice(argv.indexOf(yargv._[0])) | ||
if (argv[0][0] === '-') { | ||
argv.unshift(process.execPath) | ||
} | ||
return argv | ||
} | ||
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function hideInstrumenteeArgs () { | ||
let argv = process.argv.slice(2) | ||
const yargv = parser(argv) | ||
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if (!yargv._.length) return argv | ||
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// drop all the arguments after the bin being | ||
// instrumented by c8. | ||
argv = argv.slice(0, argv.indexOf(yargv._[0])) | ||
argv.push(yargv._[0]) | ||
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return argv | ||
} | ||
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module.exports = { | ||
yargs, | ||
hideInstrumenterArgs, | ||
hideInstrumenteeArgs | ||
} |
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@@ -0,0 +1,51 @@ | ||
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') | ||
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class Report { | ||
constructor ({reporter, coverageDirectory, watermarks}) { | ||
this.reporter = reporter | ||
this.coverageDirectory = coverageDirectory | ||
this.watermarks = watermarks | ||
} | ||
run () { | ||
const map = this._getCoverageMapFromAllCoverageFiles() | ||
var context = libReport.createContext({ | ||
dir: './coverage', | ||
watermarks: this.watermarks | ||
}) | ||
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const tree = libReport.summarizers.pkg(map) | ||
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this.reporter.forEach(function (_reporter) { | ||
tree.visit(reports.create(_reporter), context) | ||
}) | ||
} | ||
_getCoverageMapFromAllCoverageFiles () { | ||
const map = libCoverage.createCoverageMap({}) | ||
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this._loadReports().forEach(function (report) { | ||
map.merge(report) | ||
}) | ||
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return map | ||
} | ||
_loadReports () { | ||
const tmpDirctory = resolve(this.coverageDirectory, './tmp') | ||
const files = readdirSync(tmpDirctory) | ||
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return files.map((f) => { | ||
return JSON.parse(readFileSync( | ||
resolve(tmpDirctory, f), | ||
'utf8' | ||
)) | ||
}) | ||
} | ||
} | ||
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module.exports = function (opts) { | ||
const report = new Report(opts) | ||
report.run() | ||
} |
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