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dc05c70c8f
PR-URL: https://github.com/nodejs/node/pull/35908 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ruy Adorno <ruyadorno@github.com> Reviewed-By: Guy Bedford <guybedford@gmail.com>
70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
// this is called when an ERESOLVE error is caught in the error-handler,
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// or when there's a log.warn('eresolve', msg, explanation), to turn it
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// into a human-intelligible explanation of what's wrong and how to fix.
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//
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// TODO: abstract out the explainNode methods into a separate util for
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// use by a future `npm explain <path || spec>` command.
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const npm = require('../npm.js')
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const { writeFileSync } = require('fs')
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const { resolve } = require('path')
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const { explainEdge, explainNode, printNode } = require('./explain-dep.js')
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// expl is an explanation object that comes from Arborist. It looks like:
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// Depth is how far we want to want to descend into the object making a report.
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// The full report (ie, depth=Infinity) is always written to the cache folder
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// at ${cache}/eresolve-report.txt along with full json.
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const explainEresolve = (expl, color, depth) => {
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const { edge, current, peerConflict } = expl
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const out = []
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if (edge.from && edge.from.whileInstalling)
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out.push('While resolving: ' + printNode(edge.from.whileInstalling, color))
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out.push('Found: ' + explainNode(current, depth, color))
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out.push('\nCould not resolve dependency:\n' +
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explainEdge(edge, depth, color))
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if (peerConflict) {
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const heading = '\nConflicting peer dependency:'
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const pc = explainNode(peerConflict, depth, color)
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out.push(heading + ' ' + pc)
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}
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return out.join('\n')
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}
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// generate a full verbose report and tell the user how to fix it
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const report = (expl, depth = 4) => {
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const fullReport = resolve(npm.cache, 'eresolve-report.txt')
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const orNoStrict = expl.strictPeerDeps ? '--no-strict-peer-deps, ' : ''
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const fix = `Fix the upstream dependency conflict, or retry
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this command with ${orNoStrict}--force, or --legacy-peer-deps
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to accept an incorrect (and potentially broken) dependency resolution.`
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writeFileSync(fullReport, `# npm resolution error report
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${new Date().toISOString()}
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${explainEresolve(expl, false, Infinity)}
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${fix}
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Raw JSON explanation object:
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${JSON.stringify(expl, null, 2)}
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`, 'utf8')
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return explainEresolve(expl, npm.color, depth) +
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`\n\n${fix}\n\nSee ${fullReport} for a full report.`
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}
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// the terser explain method for the warning when using --force
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const explain = (expl, depth = 2) => explainEresolve(expl, npm.color, depth)
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module.exports = {
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explain,
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report,
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}
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