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-rw-r--r--node_modules/lodash/_createBind.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/lodash/_createBind.js b/node_modules/lodash/_createBind.js
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+++ b/node_modules/lodash/_createBind.js
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+var createCtor = require('./_createCtor'),
+ root = require('./_root');
+
+/** Used to compose bitmasks for function metadata. */
+var WRAP_BIND_FLAG = 1;
+
+/**
+ * Creates a function that wraps `func` to invoke it with the optional `this`
+ * binding of `thisArg`.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+ * @param {*} [thisArg] The `this` binding of `func`.
+ * @returns {Function} Returns the new wrapped function.
+ */
+function createBind(func, bitmask, thisArg) {
+ var isBind = bitmask & WRAP_BIND_FLAG,
+ Ctor = createCtor(func);
+
+ function wrapper() {
+ var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+ return fn.apply(isBind ? thisArg : this, arguments);
+ }
+ return wrapper;
+}
+
+module.exports = createBind;