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Lodash _.wrapperCommit


The _.wrapperCommit method in the Lodash library is a function that is used to commit the result of a partially applied function. It is used in conjunction with the _.partial method to create a wrapper function.

When a function is partially applied, it is not executed immediately. Instead, it is returned as a new function with some of its arguments already set. The _.wrapperCommit method is used to specify the context and arguments of the partially applied function and commit it for execution.

The _.wrapperCommit method takes two arguments: the partially applied function and an array of arguments to be passed to the function when it is executed. The method returns a new function that is bound to the specified context and argument values.

Here is an example that demonstrates the use of the _.wrapperCommit method:

function greet(greeting, name) {
  return greeting + ' ' + name + '!';

var sayHelloTo = _.partial(greet, 'Hello');
var helloBob = _.wrapperCommit(sayHelloTo, ['Bob']);

console.log({ greeting: 'Hi' }));
// Output: "Hello Bob!"

In the example above, the _.partial method is used to create a partially applied function called sayHelloTo that is bound to the greet function with the first argument set to 'Hello'. The _.wrapperCommit method is then used to commit the sayHelloTo function with the remaining argument value of 'Bob'. Finally, the helloBob function is executed with a new context of { greeting: 'Hi' }. The output will be "Hello Bob!" since the helloBob function is now bound to the context and argument values specified in the _.wrapperCommit method.

Overall, the _.wrapperCommit method is a powerful tool that can be used to create flexible and reusable functions in the Lodash library.