// certain assertions we should do only when testing arborist itself, because
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// they are too expensive or aggressive and would break user programs if we
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// miss a situation where they are actually valid.
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//
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// call like this:
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//
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// /* istanbul ignore next - debug check */
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// debug(() => {
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// if (someExpensiveCheck)
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// throw new Error('expensive check should have returned false')
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// })
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// run in debug mode if explicitly requested, running arborist tests,
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// or working in the arborist project directory.
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const debug = process.env.ARBORIST_DEBUG !== '0' && (
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process.env.ARBORIST_DEBUG === '1' ||
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/\barborist\b/.test(process.env.NODE_DEBUG || '') ||
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process.env.npm_package_name === '@npmcli/arborist' &&
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['test', 'snap'].includes(process.env.npm_lifecycle_event) ||
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process.cwd() === require('node:path').resolve(__dirname, '..')
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)
|
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module.exports = debug ? fn => fn() : () => {}
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const red = process.stderr.isTTY ? msg => `\x1B[31m${msg}\x1B[39m` : m => m
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module.exports.log = (...msg) => module.exports(() => {
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const { format } = require('node:util')
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const prefix = `\n${process.pid} ${red(format(msg.shift()))} `
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msg = (prefix + format(...msg).trim().split('\n').join(prefix)).trim()
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/* eslint-disable-next-line no-console */
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console.error(msg)
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})
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