add node_modules to address #4364

1 files changed, 159 insertions, 0 deletions

diff --git a/node_modules/fined/index.js b/node_modules/fined/index.js
new file mode 100644
index 000000000..fed7aae0b
--- /dev/null
+++ b/node_modules/fined/index.js
@@ -0,0 +1,159 @@
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+
+var isString = require('lodash.isstring');
+var isPlainObject = require('lodash.isplainobject');
+var isEmpty = require('lodash.isempty');
+var pick = require('lodash.pick');
+var assignWith = require('lodash.assignwith');
+
+var expandTilde = require('expand-tilde');
+var parsePath = require('parse-filepath');
+
+function assignNullish(objValue, srcValue) {
+  return (srcValue == null ? objValue : srcValue);
+}
+
+function defaults(mainObj, defaultObj) {
+  return assignWith({}, defaultObj, mainObj, assignNullish);
+}
+
+function fined(pathObj, defaultObj) {
+  var expandedPath = expandPath(pathObj, defaultObj);
+  return expandedPath ? findWithExpandedPath(expandedPath) : null;
+}
+
+function expandPath(pathObj, defaultObj) {
+  if (!isPlainObject(defaultObj)) {
+    defaultObj = {};
+  }
+
+  if (isString(pathObj)) {
+    pathObj = { path: pathObj };
+  }
+
+  if (!isPlainObject(pathObj)) {
+    pathObj = {};
+  }
+
+  pathObj = defaults(pathObj, defaultObj);
+
+  var filePath;
+  if (!isString(pathObj.path)) {
+    return null;
+  }
+  // Execution of toString is for a String object.
+  if (isString(pathObj.name) && pathObj.name) {
+    if (pathObj.path) {
+      filePath = expandTilde(pathObj.path.toString());
+      filePath = path.join(filePath, pathObj.name.toString());
+    } else {
+      filePath = pathObj.name.toString();
+    }
+  } else {
+    filePath = expandTilde(pathObj.path.toString());
+  }
+
+  var extArr = createExtensionArray(pathObj.extensions);
+  var extMap = createExtensionMap(pathObj.extensions);
+
+  var basedir = isString(pathObj.cwd) ? pathObj.cwd.toString() : '.';
+  basedir = path.resolve(expandTilde(basedir));
+
+  var findUp = !!pathObj.findUp;
+
+  var parsed = parsePath(filePath);
+  if (parsed.isAbsolute) {
+    filePath = filePath.slice(parsed.root.length);
+    findUp = false;
+    basedir = parsed.root;
+  } else if (parsed.root) { // Expanded path has a drive letter on Windows.
+    filePath = filePath.slice(parsed.root.length);
+    basedir = path.resolve(parsed.root);
+  }
+
+  return {
+    path: filePath,
+    basedir: basedir,
+    findUp: findUp,
+    extArr: extArr,
+    extMap: extMap,
+  };
+}
+
+function findWithExpandedPath(expanded) {
+  var found = expanded.findUp ?
+    findUpFile(expanded.basedir, expanded.path, expanded.extArr) :
+    findFile(expanded.basedir, expanded.path, expanded.extArr);
+
+  if (!found) {
+    return null;
+  }
+
+  if (expanded.extMap) {
+    found.extension = pick(expanded.extMap, found.extension);
+  }
+  return found;
+}
+
+function findFile(basedir, relpath, extArr) {
+  var noExtPath = path.resolve(basedir, relpath);
+  for (var i = 0, n = extArr.length; i < n; i++) {
+    var filepath = noExtPath + extArr[i];
+    try {
+      fs.statSync(filepath);
+      return { path: filepath, extension: extArr[i] };
+    } catch (e) {}
+  }
+
+  return null;
+}
+
+function findUpFile(basedir, filepath, extArr) {
+  var lastdir;
+  do {
+    var found = findFile(basedir, filepath, extArr);
+    if (found) {
+      return found;
+    }
+
+    lastdir = basedir;
+    basedir = path.dirname(basedir);
+  } while (lastdir !== basedir);
+
+  return null;
+}
+
+function createExtensionArray(exts) {
+  if (isString(exts)) {
+    return [exts];
+  }
+
+  if (Array.isArray(exts)) {
+    exts = exts.filter(isString);
+    return (exts.length > 0) ? exts : [''];
+  }
+
+  if (isPlainObject(exts)) {
+    exts = Object.keys(exts);
+    return (exts.length > 0) ? exts : [''];
+  }
+
+  return [''];
+}
+
+function createExtensionMap(exts) {
+  if (!isPlainObject(exts)) {
+    return null;
+  }
+
+  if (isEmpty(exts)) {
+    return { '': null };
+  }
+
+  return exts;
+}
+
+module.exports = fined;