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| const reifyFinish = require('../utils/reify-finish.js')
| const ArboristWorkspaceCmd = require('../arborist-cmd.js')
|
| // dedupe duplicated packages, or find them in the tree
| class Dedupe extends ArboristWorkspaceCmd {
| static description = 'Reduce duplication in the package tree'
| static name = 'dedupe'
| static params = [
| 'install-strategy',
| 'legacy-bundling',
| 'global-style',
| 'strict-peer-deps',
| 'package-lock',
| 'omit',
| 'include',
| 'ignore-scripts',
| 'audit',
| 'bin-links',
| 'fund',
| 'dry-run',
| ...super.params,
| ]
|
| async exec () {
| if (this.npm.global) {
| const er = new Error('`npm dedupe` does not work in global mode.')
| er.code = 'EDEDUPEGLOBAL'
| throw er
| }
|
| const dryRun = this.npm.config.get('dry-run')
| const where = this.npm.prefix
| const Arborist = require('@npmcli/arborist')
| const opts = {
| ...this.npm.flatOptions,
| path: where,
| dryRun,
| // Saving during dedupe would only update if one of your direct
| // dependencies was also duplicated somewhere in your tree. It would be
| // confusing if running this were to also update your package.json. In
| // order to reduce potential confusion we set this to false.
| save: false,
| workspaces: this.workspaceNames,
| }
| const arb = new Arborist(opts)
| await arb.dedupe(opts)
| await reifyFinish(this.npm, arb)
| }
| }
|
| module.exports = Dedupe
|
|
