chore: refactor the creation of config.gypi file

test/test-create-config-gypi.js

@@ -0,0 +1,37 @@
+'use strict'
+
+const { test } = require('tap')
+const gyp = require('../lib/node-gyp')
+const createConfigGypi = require('../lib/create-config-gypi')
+const { getCurrentConfigGypi } = createConfigGypi.test
+
+test('config.gypi with no options', function (t) {
+  t.plan(2)
+
+  const prog = gyp()
+  prog.parseArgv([])
+
+  const config = getCurrentConfigGypi({ gyp: prog, vsInfo: {} })
+  t.equal(config.target_defaults.default_configuration, 'Release')
+  t.equal(config.variables.target_arch, process.arch)
+})
+
+test('config.gypi with --debug', function (t) {
+  t.plan(1)
+
+  const prog = gyp()
+  prog.parseArgv(['_', '_', '--debug'])
+
+  const config = getCurrentConfigGypi({ gyp: prog, vsInfo: {} })
+  t.equal(config.target_defaults.default_configuration, 'Debug')
+})
+
+test('config.gypi with custom options', function (t) {
+  t.plan(1)
+
+  const prog = gyp()
+  prog.parseArgv(['_', '_', '--shared-libxml2'])
+
+  const config = getCurrentConfigGypi({ gyp: prog, vsInfo: {} })
+  t.equal(config.variables.shared_libxml2, true)
+})