7 files changed, 332 insertions, 0 deletions
diff --git a/node_modules/cosmiconfig/lib/createExplorer.js b/node_modules/cosmiconfig/lib/createExplorer.js
new file mode 100644
index 0000000..a79beab
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/createExplorer.js
@@ -0,0 +1,113 @@
+'use strict';
+
+var path = require('path');
+var isDir = require('is-directory');
+var loadPackageProp = require('./loadPackageProp');
+var loadRc = require('./loadRc');
+var loadJs = require('./loadJs');
+var loadDefinedFile = require('./loadDefinedFile');
+
+module.exports = function (options) {
+  // These cache Promises that resolve with results, not the results themselves
+  var fileCache = (options.cache) ? new Map() : null;
+  var directoryCache = (options.cache) ? new Map() : null;
+  var transform = options.transform || identityPromise;
+
+  function clearFileCache() {
+    if (fileCache) fileCache.clear();
+  }
+
+  function clearDirectoryCache() {
+    if (directoryCache) directoryCache.clear();
+  }
+
+  function clearCaches() {
+    clearFileCache();
+    clearDirectoryCache();
+  }
+
+  function load(searchPath, configPath) {
+    if (!configPath && options.configPath) {
+      configPath = options.configPath;
+    }
+
+    if (configPath) {
+      var absoluteConfigPath = path.resolve(process.cwd(), configPath);
+      if (fileCache && fileCache.has(absoluteConfigPath)) {
+        return fileCache.get(absoluteConfigPath);
+      }
+      var result = loadDefinedFile(absoluteConfigPath, options)
+        .then(transform);
+      if (fileCache) fileCache.set(absoluteConfigPath, result);
+      return result;
+    }
+
+    if (!searchPath) return Promise.resolve(null);
+
+    var absoluteSearchPath = path.resolve(process.cwd(), searchPath);
+
+    return isDirectory(absoluteSearchPath)
+      .then(function (searchPathIsDirectory) {
+        var directory = (searchPathIsDirectory)
+          ? absoluteSearchPath
+          : path.dirname(absoluteSearchPath);
+        return searchDirectory(directory);
+      });
+  }
+
+  function searchDirectory(directory) {
+    if (directoryCache && directoryCache.has(directory)) {
+      return directoryCache.get(directory);
+    }
+
+    var result = Promise.resolve()
+      .then(function () {
+        if (!options.packageProp) return;
+        return loadPackageProp(directory, options);
+      })
+      .then(function (result) {
+        if (result || !options.rc) return result;
+        return loadRc(path.join(directory, options.rc), options);
+      })
+      .then(function (result) {
+        if (result || !options.js) return result;
+        return loadJs(path.join(directory, options.js));
+      })
+      .then(function (result) {
+        if (result) return result;
+
+        var splitPath = directory.split(path.sep);
+        var nextDirectory = (splitPath.length > 1)
+          ? splitPath.slice(0, -1).join(path.sep)
+          : null;
+
+        if (!nextDirectory || directory === options.stopDir) return null;
+
+        return searchDirectory(nextDirectory);
+      })
+      .then(transform);
+
+    if (directoryCache) directoryCache.set(directory, result);
+    return result;
+  }
+
+  return {
+    load: load,
+    clearFileCache: clearFileCache,
+    clearDirectoryCache: clearDirectoryCache,
+    clearCaches: clearCaches,
+  };
+};
+
+function isDirectory(filepath) {
+  return new Promise(function (resolve, reject) {
+    return isDir(filepath, function (err, dir) {
+      if (err) return reject(err);
+      return resolve(dir);
+    });
+  });
+}
+
+function identityPromise(x) {
+  return Promise.resolve(x);
+}
diff --git a/node_modules/cosmiconfig/lib/loadDefinedFile.js b/node_modules/cosmiconfig/lib/loadDefinedFile.js
new file mode 100644
index 0000000..433d83c
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/loadDefinedFile.js
@@ -0,0 +1,66 @@
+'use strict';
+
+var yaml = require('js-yaml');
+var requireFromString = require('require-from-string');
+var readFile = require('./readFile');
+var parseJson = require('./parseJson');
+
+module.exports = function (filepath, options) {
+  return readFile(filepath, { throwNotFound: true }).then(function (content) {
+    var parsedConfig = (function () {
+      switch (options.format) {
+        case 'json':
+          return parseJson(content, filepath);
+        case 'yaml':
+          return yaml.safeLoad(content, {
+            filename: filepath,
+          });
+        case 'js':
+          return requireFromString(content, filepath);
+        default:
+          return tryAllParsing(content, filepath);
+      }
+    })();
+
+    if (!parsedConfig) {
+      throw new Error(
+        'Failed to parse "' + filepath + '" as JSON, JS, or YAML.'
+      );
+    }
+
+    return {
+      config: parsedConfig,
+      filepath: filepath,
+    };
+  });
+};
+
+function tryAllParsing(content, filepath) {
+  return tryYaml(content, filepath, function () {
+    return tryRequire(content, filepath, function () {
+      return null;
+    });
+  });
+}
+
+function tryYaml(content, filepath, cb) {
+  try {
+    var result = yaml.safeLoad(content, {
+      filename: filepath,
+    });
+    if (typeof result === 'string') {
+      return cb();
+    }
+    return result;
+  } catch (e) {
+    return cb();
+  }
+}
+
+function tryRequire(content, filepath, cb) {
+  try {
+    return requireFromString(content, filepath);
+  } catch (e) {
+    return cb();
+  }
+}
diff --git a/node_modules/cosmiconfig/lib/loadJs.js b/node_modules/cosmiconfig/lib/loadJs.js
new file mode 100644
index 0000000..c08d524
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/loadJs.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var requireFromString = require('require-from-string');
+var readFile = require('./readFile');
+
+module.exports = function (filepath) {
+  return readFile(filepath).then(function (content) {
+    if (!content) return null;
+
+    return {
+      config: requireFromString(content, filepath),
+      filepath: filepath,
+    };
+  });
+};
diff --git a/node_modules/cosmiconfig/lib/loadPackageProp.js b/node_modules/cosmiconfig/lib/loadPackageProp.js
new file mode 100644
index 0000000..01e759f
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/loadPackageProp.js
@@ -0,0 +1,21 @@
+'use strict';
+
+var path = require('path');
+var readFile = require('./readFile');
+var parseJson = require('./parseJson');
+
+module.exports = function (packageDir, options) {
+  var packagePath = path.join(packageDir, 'package.json');
+
+  return readFile(packagePath).then(function (content) {
+    if (!content) return null;
+    var parsedContent = parseJson(content, packagePath);
+    var packagePropValue = parsedContent[options.packageProp];
+    if (!packagePropValue) return null;
+
+    return {
+      config: packagePropValue,
+      filepath: packagePath,
+    };
+  });
+};
diff --git a/node_modules/cosmiconfig/lib/loadRc.js b/node_modules/cosmiconfig/lib/loadRc.js
new file mode 100644
index 0000000..cbe1d67
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/loadRc.js
@@ -0,0 +1,85 @@
+'use strict';
+
+var yaml = require('js-yaml');
+var requireFromString = require('require-from-string');
+var readFile = require('./readFile');
+var parseJson = require('./parseJson');
+
+module.exports = function (filepath, options) {
+  return loadExtensionlessRc().then(function (result) {
+    if (result) return result;
+    if (options.rcExtensions) return loadRcWithExtensions();
+    return null;
+  });
+
+  function loadExtensionlessRc() {
+    return readRcFile().then(function (content) {
+      if (!content) return null;
+
+      var pasedConfig = (options.rcStrictJson)
+        ? parseJson(content, filepath)
+        : yaml.safeLoad(content, {
+          filename: filepath,
+        });
+      return {
+        config: pasedConfig,
+        filepath: filepath,
+      };
+    });
+  }
+
+  function loadRcWithExtensions() {
+    return readRcFile('json').then(function (content) {
+      if (content) {
+        var successFilepath = filepath + '.json';
+        return {
+          config: parseJson(content, successFilepath),
+          filepath: successFilepath,
+        };
+      }
+      // If not content was found in the file with extension,
+      // try the next possible extension
+      return readRcFile('yaml');
+    }).then(function (content) {
+      if (content) {
+        // If the previous check returned an object with a config
+        // property, then it succeeded and this step can be skipped
+        if (content.config) return content;
+        // If it just returned a string, then *this* check succeeded
+        var successFilepath = filepath + '.yaml';
+        return {
+          config: yaml.safeLoad(content, { filename: successFilepath }),
+          filepath: successFilepath,
+        };
+      }
+      return readRcFile('yml');
+    }).then(function (content) {
+      if (content) {
+        if (content.config) return content;
+        var successFilepath = filepath + '.yml';
+        return {
+          config: yaml.safeLoad(content, { filename: successFilepath }),
+          filepath: successFilepath,
+        };
+      }
+      return readRcFile('js');
+    }).then(function (content) {
+      if (content) {
+        if (content.config) return content;
+        var successFilepath = filepath + '.js';
+        return {
+          config: requireFromString(content, successFilepath),
+          filepath: successFilepath,
+        };
+      }
+      return null;
+    });
+  }
+
+  function readRcFile(extension) {
+    var filepathWithExtension = (extension)
+      ? filepath + '.' + extension
+      : filepath;
+    return readFile(filepathWithExtension);
+  }
+};
diff --git a/node_modules/cosmiconfig/lib/parseJson.js b/node_modules/cosmiconfig/lib/parseJson.js
new file mode 100644
index 0000000..5541daf
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/parseJson.js
@@ -0,0 +1,12 @@
+'use strict';
+
+var parseJson = require('parse-json');
+
+module.exports = function (json, filepath) {
+  try {
+    return parseJson(json);
+  } catch (err) {
+    err.message = 'JSON Error in ' + filepath + ':\n' + err.message;
+    throw err;
+  }
+};
diff --git a/node_modules/cosmiconfig/lib/readFile.js b/node_modules/cosmiconfig/lib/readFile.js
new file mode 100644
index 0000000..95e1e2e
--- /dev/null
+++ b/node_modules/cosmiconfig/lib/readFile.js
@@ -0,0 +1,20 @@
+'use strict';
+
+var fs = require('fs');
+
+module.exports = function (filepath, options) {
+  options = options || {};
+  options.throwNotFound = options.throwNotFound || false;
+
+  return new Promise(function (resolve, reject) {
+    fs.readFile(filepath, 'utf8', function (err, content) {
+      if (err && err.code === 'ENOENT' && !options.throwNotFound) {
+        return resolve(null);
+      }
+
+      if (err) return reject(err);
+
+      resolve(content);
+    });
+  });
+};