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node_modules/nyc/lib/process-args.js

@@ -0,0 +1,39 @@
+'use strict'
+
+const { Parser } = require('yargs/yargs')
+const commands = [
+  'report',
+  'check-coverage',
+  'instrument',
+  'merge'
+]
+
+module.exports = {
+  // don't pass arguments that are meant
+  // for nyc to the bin being instrumented.
+  hideInstrumenterArgs: function (yargv) {
+    var argv = process.argv.slice(1)
+    argv = argv.slice(argv.indexOf(yargv._[0]))
+    if (argv[0][0] === '-') {
+      argv.unshift(process.execPath)
+    }
+    return argv
+  },
+  // don't pass arguments for the bin being
+  // instrumented to nyc.
+  hideInstrumenteeArgs: function () {
+    var argv = process.argv.slice(2)
+    var yargv = Parser(argv)
+    if (!yargv._.length) return argv
+    for (var i = 0, command; (command = yargv._[i]) !== undefined; i++) {
+      if (~commands.indexOf(command)) return argv
+    }
+
+    // drop all the arguments after the bin being
+    // instrumented by nyc.
+    argv = argv.slice(0, argv.indexOf(yargv._[0]))
+    argv.push(yargv._[0])
+
+    return argv
+  }
+}