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const { relative } = require('node:path') const explainNode = (node, depth, chalk) => printNode(node, chalk) + explainDependents(node, depth, chalk) + explainLinksIn(node, depth, chalk) const colorType = (type, chalk) => { const style = type === 'extraneous' ? chalk.red : type === 'dev' ? chalk.blue : type === 'optional' ? chalk.magenta : type === 'peer' ? chalk.magentaBright : type === 'bundled' ? chalk.underline.cyan : type === 'workspace' ? chalk.blueBright : type === 'overridden' ? chalk.dim : /* istanbul ignore next */ s => s return style(type) } const printNode = (node, chalk) => { const extra = [] for (const meta of ['extraneous', 'dev', 'optional', 'peer', 'bundled', 'overridden']) { if (node[meta]) { extra.push(` ${colorType(meta, chalk)}`) } } const pkgid = node.isWorkspace ? chalk.blueBright(`${node.name}@${node.version}`) : `${node.name}@${node.version}` return `${pkgid}${extra.join('')}` + (node.location ? chalk.dim(`\n${node.location}`) : '') } const explainLinksIn = ({ linksIn }, depth, chalk) => { if (!linksIn || !linksIn.length || depth <= 0) { return '' } const messages = linksIn.map(link => explainNode(link, depth - 1, chalk)) const str = '\n' + messages.join('\n') return str.split('\n').join('\n ') } const explainDependents = ({ dependents }, depth, chalk) => { if (!dependents || !dependents.length || depth <= 0) { return '' } const max = Math.ceil(depth / 2) const messages = dependents.slice(0, max) .map(edge => explainEdge(edge, depth, chalk)) // show just the names of the first 5 deps that overflowed the list if (dependents.length > max) { let len = 0 const maxLen = 50 const showNames = [] for (let i = max; i < dependents.length; i++) { const { from: { name: depName = 'the root project' } } = dependents[i] len += depName.length if (len >= maxLen && i < dependents.length - 1) { showNames.push('...') break } showNames.push(depName) } const show = `(${showNames.join(', ')})` messages.push(`${dependents.length - max} more ${show}`) } const str = '\n' + messages.join('\n') return str.split('\n').join('\n ') } const explainEdge = ({ name, type, bundled, from, spec, rawSpec, overridden }, depth, chalk) => { let dep = type === 'workspace' ? chalk.bold(relative(from.location, spec.slice('file:'.length))) : `${name}@"${spec}"` if (overridden) { dep = `${colorType('overridden', chalk)} ${dep} (was "${rawSpec}")` } const fromMsg = ` from ${explainFrom(from, depth, chalk)}` return (type === 'prod' ? '' : `${colorType(type, chalk)} `) + (bundled ? `${colorType('bundled', chalk)} ` : '') + `${dep}${fromMsg}` } const explainFrom = (from, depth, chalk) => { if (!from.name && !from.version) { return 'the root project' } return printNode(from, chalk) + explainDependents(from, depth - 1, chalk) + explainLinksIn(from, depth - 1, chalk) } module.exports = { explainNode, printNode, explainEdge }