Given a key and a set of arguments, call them when given a context.
key
with args
for the given context
.const call = (key, ...args) => context => context[key](...args);
Promise.resolve([1, 2, 3])
.then(call('map', x => 2 * x))
.then(console.log); // [ 2, 4, 6 ]
const map = call.bind(null, 'map');
Promise.resolve([1, 2, 3])
.then(map(x => 2 * x))
.then(console.log); // [ 2, 4, 6 ]
JavaScript, Function
Creates a function that invokes the method at a given key of an object, optionally prepending any additional supplied parameters to the arguments.
JavaScript, Function
Creates a function that invokes fn
with a given context, optionally prepending any additional supplied parameters to the arguments.
JavaScript, Function
Checks if at least one function returns true
for a given set of arguments.