Version 1
[yaffs-website] / node_modules / grunt-legacy-log / node_modules / lodash / internal / baseCallback.js
diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/internal/baseCallback.js b/node_modules/grunt-legacy-log/node_modules/lodash/internal/baseCallback.js
new file mode 100644 (file)
index 0000000..67fe087
--- /dev/null
@@ -0,0 +1,35 @@
+var baseMatches = require('./baseMatches'),
+    baseMatchesProperty = require('./baseMatchesProperty'),
+    bindCallback = require('./bindCallback'),
+    identity = require('../utility/identity'),
+    property = require('../utility/property');
+
+/**
+ * The base implementation of `_.callback` which supports specifying the
+ * number of arguments to provide to `func`.
+ *
+ * @private
+ * @param {*} [func=_.identity] The value to convert to a callback.
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @param {number} [argCount] The number of arguments to provide to `func`.
+ * @returns {Function} Returns the callback.
+ */
+function baseCallback(func, thisArg, argCount) {
+  var type = typeof func;
+  if (type == 'function') {
+    return thisArg === undefined
+      ? func
+      : bindCallback(func, thisArg, argCount);
+  }
+  if (func == null) {
+    return identity;
+  }
+  if (type == 'object') {
+    return baseMatches(func);
+  }
+  return thisArg === undefined
+    ? property(func)
+    : baseMatchesProperty(func, thisArg);
+}
+
+module.exports = baseCallback;