fix(publish): skip private workspaces

Allow users to publish all workspaces with `npm publish --ws` while also
skipping any workspace that might have been intentionally marked as
private, using `"private": true` in its package.json file.

Fixes: npm#3268

lib/publish.js

@@ -7,6 +7,7 @@ const runScript = require('@npmcli/run-script')
 const pacote = require('pacote')
 const npa = require('npm-package-arg')
 const npmFetch = require('npm-registry-fetch')
+const chalk = require('chalk')
 
 const otplease = require('./utils/otplease.js')
 const { getContents, logTar } = require('./utils/tar.js')
@@ -154,10 +155,29 @@ class Publish extends BaseCommand {
     const results = {}
     const json = this.npm.config.get('json')
     const silent = log.level === 'silent'
+    const noop = a => a
+    const color = this.npm.color ? chalk : { green: noop, bold: noop }
     const workspaces =
       await getWorkspaces(filters, { path: this.npm.localPrefix })
+
     for (const [name, workspace] of workspaces.entries()) {
-      const pkgContents = await this.publish([workspace])
+      let pkgContents
+      try {
+        pkgContents = await this.publish([workspace])
+      } catch (err) {
+        if (err.code === 'EPRIVATE') {
+          log.warn(
+            'publish',
+            `Skipping workspace ${
+              color.green(name)
+            }, marked as ${
+              color.bold('private')
+            }`
+          )
+          continue
+        }
+        throw err
+      }
       // This needs to be in-line w/ the rest of the output that non-JSON
       // publish generates
       if (!silent && !json)

tap-snapshots/test/lib/publish.js.test.cjs

@@ -5,6 +5,40 @@
  * Make sure to inspect the output below.  Do not ignore changes!
  */
 'use strict'
+exports[`test/lib/publish.js TAP private workspaces colorless > should output all publishes 1`] = `
+Array [
+  "+ @npmcli/[email protected]",
+]
+`
+
+exports[`test/lib/publish.js TAP private workspaces colorless > should publish all non-private workspaces 1`] = `
+Array [
+  Object {
+    "_id": "@npmcli/[email protected]",
+    "name": "@npmcli/b",
+    "readme": "ERROR: No README data found!",
+    "version": "1.0.0",
+  },
+]
+`
+
+exports[`test/lib/publish.js TAP private workspaces with color > should output all publishes 1`] = `
+Array [
+  "+ @npmcli/[email protected]",
+]
+`
+
+exports[`test/lib/publish.js TAP private workspaces with color > should publish all non-private workspaces 1`] = `
+Array [
+  Object {
+    "_id": "@npmcli/[email protected]",
+    "name": "@npmcli/b",
+    "readme": "ERROR: No README data found!",
+    "version": "1.0.0",
+  },
+]
+`
+
 exports[`test/lib/publish.js TAP shows usage with wrong set of arguments > should print usage 1`] = `
 Error: 
 Usage: npm publish

test/lib/publish.js

@@ -617,3 +617,120 @@ t.test('workspaces', (t) => {
   })
   t.end()
 })
+
+t.test('private workspaces', (t) => {
+  const testDir = t.testdir({
+    'package.json': JSON.stringify({
+      name: 'workspaces-project',
+      version: '1.0.0',
+      workspaces: ['packages/*'],
+    }),
+    packages: {
+      a: {
+        'package.json': JSON.stringify({
+          name: '@npmcli/a',
+          version: '1.0.0',
+          private: true,
+        }),
+      },
+      b: {
+        'package.json': JSON.stringify({
+          name: '@npmcli/b',
+          version: '1.0.0',
+        }),
+      },
+    },
+  })
+
+  const publishes = []
+  const outputs = []
+  t.beforeEach(() => {
+    npm.config.set('json', false)
+    outputs.length = 0
+    publishes.length = 0
+  })
+  const mocks = {
+    '../../lib/utils/tar.js': {
+      getContents: (manifest) => ({
+        id: manifest._id,
+      }),
+      logTar: () => {},
+    },
+    libnpmpublish: {
+      publish: (manifest, tarballData, opts) => {
+        if (manifest.private) {
+          throw Object.assign(
+            new Error('private pkg'),
+            { code: 'EPRIVATE' }
+          )
+        }
+        publishes.push(manifest)
+      },
+    },
+  }
+  const npm = mockNpm({
+    output: (o) => {
+      outputs.push(o)
+    },
+  })
+  npm.localPrefix = testDir
+  npm.config.getCredentialsByURI = (uri) => {
+    return { token: 'some.registry.token' }
+  }
+
+  t.test('with color', t => {
+    const Publish = t.mock('../../lib/publish.js', {
+      ...mocks,
+      npmlog: {
+        notice () {},
+        verbose () {},
+        warn (title, msg) {
+          t.equal(title, 'publish', 'should use publish warn title')
+          t.match(
+            msg,
+            'Skipping workspace \u001b[32m@npmcli/a\u001b[39m, marked as \u001b[1mprivate\u001b[22m',
+            'should display skip private workspace warn msg'
+          )
+        },
+      },
+    })
+    const publish = new Publish(npm)
+
+    npm.color = true
+    publish.execWorkspaces([], [], (err) => {
+      t.notOk(err)
+      t.matchSnapshot(publishes, 'should publish all non-private workspaces')
+      t.matchSnapshot(outputs, 'should output all publishes')
+      npm.color = false
+      t.end()
+    })
+  })
+
+  t.test('colorless', t => {
+    const Publish = t.mock('../../lib/publish.js', {
+      ...mocks,
+      npmlog: {
+        notice () {},
+        verbose () {},
+        warn (title, msg) {
+          t.equal(title, 'publish', 'should use publish warn title')
+          t.equal(
+            msg,
+            'Skipping workspace @npmcli/a, marked as private',
+            'should display skip private workspace warn msg'
+          )
+        },
+      },
+    })
+    const publish = new Publish(npm)
+
+    publish.execWorkspaces([], [], (err) => {
+      t.notOk(err)
+      t.matchSnapshot(publishes, 'should publish all non-private workspaces')
+      t.matchSnapshot(outputs, 'should output all publishes')
+      t.end()
+    })
+  })
+
+  t.end()
+})