104 lines
2.5 KiB
JavaScript
104 lines
2.5 KiB
JavaScript
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const Minipass = require('minipass')
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const Pipeline = require('minipass-pipeline')
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const libSearch = require('libnpmsearch')
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const log = require('../utils/log-shim.js')
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const formatPackageStream = require('../search/format-package-stream.js')
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const packageFilter = require('../search/package-filter.js')
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function prepareIncludes (args) {
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return args
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.map(s => s.toLowerCase())
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.filter(s => s)
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}
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function prepareExcludes (searchexclude) {
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var exclude
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if (typeof searchexclude === 'string') {
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exclude = searchexclude.split(/\s+/)
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} else {
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exclude = []
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}
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return exclude
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.map(s => s.toLowerCase())
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.filter(s => s)
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}
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const BaseCommand = require('../base-command.js')
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class Search extends BaseCommand {
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static description = 'Search for packages'
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static name = 'search'
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static params = [
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'long',
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'json',
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'color',
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'parseable',
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'description',
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'searchopts',
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'searchexclude',
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'registry',
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'prefer-online',
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'prefer-offline',
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'offline',
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]
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static usage = ['[search terms ...]']
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async exec (args) {
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const opts = {
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...this.npm.flatOptions,
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...this.npm.flatOptions.search,
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include: prepareIncludes(args),
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exclude: prepareExcludes(this.npm.flatOptions.search.exclude),
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}
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if (opts.include.length === 0) {
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throw new Error('search must be called with arguments')
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}
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// Used later to figure out whether we had any packages go out
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let anyOutput = false
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class FilterStream extends Minipass {
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write (pkg) {
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if (packageFilter(pkg, opts.include, opts.exclude)) {
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super.write(pkg)
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}
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}
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}
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const filterStream = new FilterStream()
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// Grab a configured output stream that will spit out packages in the
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// desired format.
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const outputStream = formatPackageStream({
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args, // --searchinclude options are not highlighted
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...opts,
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})
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log.silly('search', 'searching packages')
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const p = new Pipeline(
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libSearch.stream(opts.include, opts),
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filterStream,
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outputStream
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)
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p.on('data', chunk => {
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if (!anyOutput) {
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anyOutput = true
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}
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this.npm.output(chunk.toString('utf8'))
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})
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await p.promise()
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if (!anyOutput && !this.npm.config.get('json') && !this.npm.config.get('parseable')) {
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this.npm.output('No matches found for ' + (args.map(JSON.stringify).join(' ')))
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}
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log.silly('search', 'search completed')
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log.clearProgress()
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}
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}
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module.exports = Search
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