| var createWrapper = require('../internal/createWrapper'), |
| identity = require('../utility/identity'); |
| |
| /** Used to compose bitmasks for wrapper metadata. */ |
| var PARTIAL_FLAG = 32; |
| |
| /** |
| * Creates a function that provides `value` to the wrapper function as its |
| * first argument. Any additional arguments provided to the function are |
| * appended to those provided to the wrapper function. The wrapper is invoked |
| * with the `this` binding of the created function. |
| * |
| * @static |
| * @memberOf _ |
| * @category Function |
| * @param {*} value The value to wrap. |
| * @param {Function} wrapper The wrapper function. |
| * @returns {Function} Returns the new function. |
| * @example |
| * |
| * var p = _.wrap(_.escape, function(func, text) { |
| * return '<p>' + func(text) + '</p>'; |
| * }); |
| * |
| * p('fred, barney, & pebbles'); |
| * // => '<p>fred, barney, & pebbles</p>' |
| */ |
| function wrap(value, wrapper) { |
| wrapper = wrapper == null ? identity : wrapper; |
| return createWrapper(wrapper, PARTIAL_FLAG, undefined, [value], []); |
| } |
| |
| module.exports = wrap; |