$

node_modules/nyc/lib/config-util.js

@@ -0,0 +1,65 @@
+'use strict'
+
+const path = require('path')
+const findUp = require('find-up')
+const Yargs = require('yargs/yargs')
+
+const { setupOptions } = require('./commands/helpers')
+const processArgs = require('./process-args')
+const { loadNycConfig } = require('@istanbuljs/load-nyc-config')
+
+async function guessCWD (cwd) {
+  cwd = cwd || process.env.NYC_CWD || process.cwd()
+  const pkgPath = await findUp('package.json', { cwd })
+  if (pkgPath) {
+    cwd = path.dirname(pkgPath)
+  }
+
+  return cwd
+}
+
+async function processConfig (cwd) {
+  cwd = await guessCWD(cwd)
+  const yargs = Yargs([])
+    .usage('$0 [command] [options]')
+    .usage('$0 [options] [bin-to-instrument]')
+    .showHidden(false)
+
+  setupOptions(yargs, null, cwd)
+
+  yargs
+    .example('$0 npm test', 'instrument your tests with coverage')
+    .example('$0 --require @babel/register npm test', 'instrument your tests with coverage and transpile with Babel')
+    .example('$0 report --reporter=text-lcov', 'output lcov report after running your tests')
+    .epilog('visit https://git.io/vHysA for list of available reporters')
+    .boolean('h')
+    .boolean('version')
+    .help(false)
+    .version(false)
+
+  const instrumenterArgs = processArgs.hideInstrumenteeArgs()
+
+  // This yargs.parse must come before any options that exit post-hoc
+  const childArgs = processArgs.hideInstrumenterArgs(yargs.parse(process.argv.slice(2)))
+  const config = await loadNycConfig(yargs.parse(instrumenterArgs))
+
+  yargs
+    .config(config)
+    .help('h')
+    .alias('h', 'help')
+    .version()
+    .command(require('./commands/check-coverage'))
+    .command(require('./commands/instrument'))
+    .command(require('./commands/report'))
+    .command(require('./commands/merge'))
+
+  return {
+    get argv () {
+      return yargs.parse(instrumenterArgs)
+    },
+    childArgs,
+    yargs
+  }
+}
+
+module.exports = processConfig