149 lines
3.7 KiB
JavaScript
149 lines
3.7 KiB
JavaScript
const chalk = require('chalk')
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const nocolor = {
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bold: s => s,
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dim: s => s,
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red: s => s,
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yellow: s => s,
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cyan: s => s,
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magenta: s => s,
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blue: s => s,
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green: s => s,
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gray: s => s,
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}
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const { relative } = require('path')
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const explainNode = (node, depth, color) =>
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printNode(node, color) +
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explainDependents(node, depth, color) +
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explainLinksIn(node, depth, color)
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const colorType = (type, color) => {
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const { red, yellow, cyan, magenta, blue, green, gray } = color ? chalk : nocolor
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const style = type === 'extraneous' ? red
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: type === 'dev' ? yellow
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: type === 'optional' ? cyan
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: type === 'peer' ? magenta
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: type === 'bundled' ? blue
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: type === 'workspace' ? green
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: type === 'overridden' ? gray
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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, color) => {
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const {
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name,
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version,
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location,
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extraneous,
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dev,
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optional,
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peer,
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bundled,
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isWorkspace,
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overridden,
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} = node
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const { bold, dim, green } = color ? chalk : nocolor
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const extra = []
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if (extraneous) {
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extra.push(' ' + bold(colorType('extraneous', color)))
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}
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if (dev) {
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extra.push(' ' + bold(colorType('dev', color)))
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}
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if (optional) {
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extra.push(' ' + bold(colorType('optional', color)))
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}
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if (peer) {
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extra.push(' ' + bold(colorType('peer', color)))
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}
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if (bundled) {
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extra.push(' ' + bold(colorType('bundled', color)))
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}
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if (overridden) {
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extra.push(' ' + bold(colorType('overridden', color)))
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}
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const pkgid = isWorkspace
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? green(`${name}@${version}`)
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: `${bold(name)}@${bold(version)}`
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return `${pkgid}${extra.join('')}` +
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(location ? dim(`\n${location}`) : '')
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}
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const explainLinksIn = ({ linksIn }, depth, color) => {
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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, color))
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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 = ({ name, dependents }, depth, color) => {
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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, color))
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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 ${show}`)
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}
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const str = '\n' + messages.join('\n')
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return str.split('\n').join('\n ')
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}
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const explainEdge = ({ name, type, bundled, from, spec, rawSpec, overridden }, depth, color) => {
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const { bold } = color ? chalk : nocolor
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let dep = type === 'workspace'
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? bold(relative(from.location, spec.slice('file:'.length)))
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: `${bold(name)}@"${bold(spec)}"`
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if (overridden) {
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dep = `${colorType('overridden', color)} ${dep} (was "${rawSpec}")`
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}
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const fromMsg = ` from ${explainFrom(from, depth, color)}`
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return (type === 'prod' ? '' : `${colorType(type, color)} `) +
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(bundled ? `${colorType('bundled', color)} ` : '') +
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`${dep}${fromMsg}`
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}
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const explainFrom = (from, depth, color) => {
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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, color) +
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explainDependents(from, depth - 1, color) +
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explainLinksIn(from, depth - 1, color)
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}
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module.exports = { explainNode, printNode, explainEdge }
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