1 files changed, 53 insertions, 0 deletions
diff --git a/node_modules/yargs/index.cjs b/node_modules/yargs/index.cjs
new file mode 100644
index 0000000..d1eee82
--- /dev/null
+++ b/node_modules/yargs/index.cjs
@@ -0,0 +1,53 @@
+'use strict';
+// classic singleton yargs API, to use yargs
+// without running as a singleton do:
+// require('yargs/yargs')(process.argv.slice(2))
+const {Yargs, processArgv} = require('./build/index.cjs');
+
+Argv(processArgv.hideBin(process.argv));
+
+module.exports = Argv;
+
+function Argv(processArgs, cwd) {
+  const argv = Yargs(processArgs, cwd, require);
+  singletonify(argv);
+  // TODO(bcoe): warn if argv.parse() or argv.argv is used directly.
+  return argv;
+}
+
+function defineGetter(obj, key, getter) {
+  Object.defineProperty(obj, key, {
+    configurable: true,
+    enumerable: true,
+    get: getter,
+  });
+}
+function lookupGetter(obj, key) {
+  const desc = Object.getOwnPropertyDescriptor(obj, key);
+  if (typeof desc !== 'undefined') {
+    return desc.get;
+  }
+}
+
+/*  Hack an instance of Argv with process.argv into Argv
+    so people can do
+    require('yargs')(['--beeble=1','-z','zizzle']).argv
+    to parse a list of args and
+    require('yargs').argv
+    to get a parsed version of process.argv.
+*/
+function singletonify(inst) {
+  [
+    ...Object.keys(inst),
+    ...Object.getOwnPropertyNames(inst.constructor.prototype),
+  ].forEach(key => {
+    if (key === 'argv') {
+      defineGetter(Argv, key, lookupGetter(inst, key));
+    } else if (typeof inst[key] === 'function') {
+      Argv[key] = inst[key].bind(inst);
+    } else {
+      defineGetter(Argv, '$0', () => inst.$0);
+      defineGetter(Argv, 'parsed', () => inst.parsed);
+    }
+  });
+}