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const Npm = require('../npm') const { distance } = require('fastest-levenshtein') const pkgJson = require('@npmcli/package-json') const { commands } = require('./cmd-list.js') const didYouMean = async (path, scmd) => { const close = commands.filter(cmd => distance(scmd, cmd) < scmd.length * 0.4 && scmd !== cmd) let best = [] for (const str of close) { const cmd = Npm.cmd(str) best.push(` npm ${str} # ${cmd.description}`) } // We would already be suggesting this in `npm x` so omit them here const runScripts = ['stop', 'start', 'test', 'restart'] try { const { content: { scripts, bin } } = await pkgJson.normalize(path) best = best.concat( Object.keys(scripts || {}) .filter(cmd => distance(scmd, cmd) < scmd.length * 0.4 && !runScripts.includes(cmd)) .map(str => ` npm run ${str} # run the "${str}" package script`), Object.keys(bin || {}) .filter(cmd => distance(scmd, cmd) < scmd.length * 0.4) /* eslint-disable-next-line max-len */ .map(str => ` npm exec ${str} # run the "${str}" command from either this or a remote npm package`) ) } catch { // gracefully ignore not being in a folder w/ a package.json } if (best.length === 0) { return '' } return best.length === 1 ? `\n\nDid you mean this?\n${best[0]}` : `\n\nDid you mean one of these?\n${best.slice(0, 3).join('\n')}` } module.exports = didYouMean