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