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Caleb ツ Everett
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Jan 3, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| const Arborist = require('@npmcli/arborist') | ||
| const getWorkspaces = require('../workspaces/get-workspaces.js') | ||
| const { join, relative, dirname } = require('path') | ||
| const packlist = require('npm-packlist') | ||
| const fs = require('@npmcli/fs') | ||
|
|
||
| const BaseCommand = require('../base-command.js') | ||
|
|
||
| class Copy extends BaseCommand { | ||
| static description = 'Copy package to new location' | ||
|
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| static name = 'copy' | ||
|
|
||
| static params = [ | ||
| 'omit', | ||
| 'workspace', | ||
| 'workspaces', | ||
| 'include-workspace-root', | ||
| ] | ||
|
|
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| static usage = ['<destination>'] | ||
|
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| async exec (args) { | ||
| await this.copyTo(args, true, new Set([])) | ||
| } | ||
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|
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| // called when --workspace or --workspaces is passed. | ||
| async execWorkspaces (args, filters) { | ||
| const workspaces = await getWorkspaces(filters, { | ||
| path: this.npm.localPrefix, | ||
| }) | ||
|
|
||
| await this.copyTo( | ||
| args, | ||
| this.includeWorkspaceRoot, | ||
| new Set(workspaces.values())) | ||
| } | ||
|
|
||
| async copyTo (args, includeWorkspaceRoot, workspaces) { | ||
| if (args.length !== 1) { | ||
| throw this.usageError('Missing required destination argument') | ||
| } | ||
| const opts = { | ||
| ...this.npm.flatOptions, | ||
| path: this.npm.localPrefix, | ||
| log: this.npm.log, | ||
| } | ||
| const destination = args[0] | ||
| const omit = new Set(this.npm.flatOptions.omit) | ||
|
|
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| const tree = await new Arborist(opts).loadActual() | ||
|
|
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| // map of node to location in destination. | ||
| const destinations = new Map() | ||
|
|
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| // calculate the root set of packages. | ||
| if (includeWorkspaceRoot) { | ||
| const to = join(destination, tree.location) | ||
| destinations.set(tree, to) | ||
| } | ||
| for (const edge of tree.edgesOut.values()) { | ||
| if (edge.workspace && workspaces.has(edge.to.realpath)) { | ||
| const to = join(destination, edge.to.location) | ||
| destinations.set(edge.to, to) | ||
| } | ||
| } | ||
|
|
||
| // copy the root set of packages and their dependencies. | ||
| const tasks = [] | ||
| for (const [node, dest] of destinations) { | ||
| if (node.isLink && node.target) { | ||
| const targetPath = destinations.get(node.target) | ||
| if (targetPath == null) { | ||
| // This is the first time the link target was seen, it will be the | ||
| // only copy in dest, other links to the same target will link to | ||
| // this copy. | ||
| destinations.set(node.target, dest) | ||
| } else { | ||
| // The link target is already in the destination | ||
| tasks.push(relativeSymlink(targetPath, dest)) | ||
| } | ||
| } else { | ||
| if (node.isWorkspace || node.isRoot) { | ||
| // workspace and root packages have not been published so they may | ||
| // have files that should be excluded. | ||
| tasks.push(copyPacklist(node.target.realpath, dest)) | ||
| } else { | ||
| // copy the modules files but not dependencies. | ||
| const nm = join(node.realpath, 'node_modules') | ||
| tasks.push(fs.cp(node.realpath, dest, { | ||
| recursive: true, | ||
| errorOnExist: false, | ||
| filter: src => src !== nm, | ||
| })) | ||
| } | ||
|
|
||
| // add dependency edges to the queue. | ||
| for (const edge of node.edgesOut.values()) { | ||
| if (!omit.has(edge.type) && edge.to != null) { | ||
| destinations.set( | ||
| edge.to, | ||
| join( | ||
| destinations.get(edge.to.parent) || destination, | ||
| relative(edge.to.parent.location, edge.to.location))) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| await Promise.all(tasks) | ||
| } | ||
| } | ||
| module.exports = Copy | ||
|
|
||
| async function copyPacklist (from, to) { | ||
| for (const file of await packlist({ path: from })) { | ||
| // packlist will include bundled node_modules. ignore it because we're | ||
| // already handling copying dependencies. | ||
| if (file.startsWith('node_modules/')) { | ||
| continue | ||
| } | ||
|
|
||
| // using recursive copy because packlist doesn't list directories. | ||
| // TODO what is npm's preferred recursive copy? | ||
| await fs.cp( | ||
| join(from, file), | ||
| join(to, file), | ||
| { recursive: true, errorOnExist: false }) | ||
| } | ||
| } | ||
|
|
||
| async function relativeSymlink (target, path) { | ||
| await fs.mkdir(dirname(path), { recursive: true }) | ||
| await fs.symlink( | ||
| './' + relative(dirname(path), target), | ||
| path // link to create | ||
| ) | ||
| } |
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