diff options
Diffstat (limited to 'lib/internal/coverage-gen/with_instrumentation.js')
-rw-r--r-- | lib/internal/coverage-gen/with_instrumentation.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/internal/coverage-gen/with_instrumentation.js b/lib/internal/coverage-gen/with_instrumentation.js new file mode 100644 index 0000000000..711a3c3f12 --- /dev/null +++ b/lib/internal/coverage-gen/with_instrumentation.js @@ -0,0 +1,36 @@ +'use strict'; + +// This file contains hooks for nyc instrumented lib/ files to collect +// JS coverage for core. +// See `make coverage-build`. +function writeCoverage() { + if (!global.__coverage__) { + return; + } + + const path = require('path'); + const { mkdirSync, writeFileSync } = require('fs'); + + const dirname = path.join(path.dirname(process.execPath), '.coverage'); + const filename = `coverage-${process.pid}-${Date.now()}.json`; + try { + mkdirSync(dirname); + } catch (err) { + if (err.code !== 'EEXIST') { + console.error(err); + return; + } + } + + const target = path.join(dirname, filename); + const coverageInfo = JSON.stringify(global.__coverage__); + try { + writeFileSync(target, coverageInfo); + } catch (err) { + console.error(err); + } +} + +module.exports = { + writeCoverage +}; |