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arborist
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Filename :
debug.js
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// certain assertions we should do only when testing arborist itself, because // they are too expensive or aggressive and would break user programs if we // miss a situation where they are actually valid. // // call like this: // // /* istanbul ignore next - debug check */ // debug(() => { // if (someExpensiveCheck) // throw new Error('expensive check should have returned false') // }) // run in debug mode if explicitly requested, running arborist tests, // or working in the arborist project directory. const debug = process.env.ARBORIST_DEBUG !== '0' && ( process.env.ARBORIST_DEBUG === '1' || /\barborist\b/.test(process.env.NODE_DEBUG || '') || process.env.npm_package_name === '@npmcli/arborist' && ['test', 'snap'].includes(process.env.npm_lifecycle_event) || process.cwd() === require('path').resolve(__dirname, '..') ) module.exports = debug ? fn => fn() : () => {} const red = process.stderr.isTTY ? msg => `\x1B[31m${msg}\x1B[39m` : m => m module.exports.log = (...msg) => module.exports(() => { const { format } = require('util') const prefix = `\n${process.pid} ${red(format(msg.shift()))} ` msg = (prefix + format(...msg).trim().split('\n').join(prefix)).trim() console.error(msg) })