feat: drop node 10, 11, and programmatic api

BREAKING CHANGE:
 - Drop official support for node versions less than v12.
 - Drop support for `require('npm')`
 - Update a few subdependencies that dropped node10 support, and brought
   in the latest node-gyp

PR-URL: https://github.com/npm/cli/pull/3762
Credit: @wraithgar
Close: #3762
Reviewed-by: @fritzy

1 files changed, 23 insertions, 0 deletions

diff --git a/test/index.js b/test/index.js
new file mode 100644
index 000000000..11dd5eb2d
--- /dev/null
+++ b/test/index.js
@@ -0,0 +1,23 @@
+const t = require('tap')
+const index = require.resolve('../index.js')
+const packageIndex = require.resolve('../')
+t.equal(index, packageIndex, 'index is main package require() export')
+t.throws(() => require(index), {
+  message: 'The programmatic API was removed in npm v8.0.0',
+})
+
+t.test('loading as main module will load the cli', t => {
+  const { spawn } = require('child_process')
+  const LS = require('../lib/ls.js')
+  const ls = new LS({})
+  const p = spawn(process.execPath, [index, 'ls', '-h'])
+  const out = []
+  p.stdout.on('data', c => out.push(c))
+  p.on('close', (code, signal) => {
+    t.equal(code, 0)
+    t.equal(signal, null)
+    t.match(Buffer.concat(out).toString(), ls.usage)
+    t.end()
+  })
+})
+