Initial commit

node_modules/cosmiconfig/lib/loadRc.js

@@ -0,0 +1,85 @@
+'use strict';
+
+var yaml = require('js-yaml');
+var parseJson = require('parse-json');
+var requireFromString = require('require-from-string');
+var readFile = require('./readFile');
+
+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);
+  }
+};