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to-function
Advanced tools
Readme
Convert property access strings into functions
$ component install component/to-function
var toFunction = require('to-function');
var fn = toFunction('name.first');
var user = { name: { first: 'Tobi' }};
fn(user);
// => "Tobi"
var _ = require('..');
var users = [
{ name: { first: 'Tobi' }},
{ name: { first: 'Loki' }},
{ name: { first: 'Jane' }},
{ name: { first: 'Manny' }}
];
var short = users.map(_('name.first'));
console.log(short);
// => [ 'Tobi', 'Loki', 'Jane', 'Manny' ]
var _ = require('..');
var tobi = { name: { first: 'Tobi' }, age: 2 };
var loki = { name: { first: 'Loki' }, age: 2 };
var jane = { name: { first: 'Jane' }, age: 6 };
var users = [tobi, loki, jane];
var user = users.filter(_(loki)).pop();
console.log(user);
// => { name: { first: 'Loki' }, age: 2 }
var _ = require('..');
var users = [
{ name: { first: 'Tobi' }, age: 2 },
{ name: { first: 'Loki' }, age: 2 },
{ name: { first: 'Jane' }, age: 6 }
];
var oldPets = users.filter(_('age > 2 && age < 10'));
console.log(oldPets);
// => [ { name: { first: 'Jane' }, age: 6 } ]
var _ = require('..');
var users = [
'Tobi',
'Loki',
'Jane'
];
var t = users.filter(_(/^T/));
console.log(t);
// => [ 'Tobi' ]
var _ = require('..');
var users = [
{ name: { first: 'Tobi', last: 'Ferret' }, age: 2 },
{ name: { first: 'Loki', last: 'Ferret' }, age: 2 },
{ name: { first: 'Luna', last: 'Cat' }, age: 2 },
{ name: { first: 'Manny', last: 'Cat' }, age: 3 }
];
// single-key
var query = _({
name: {
last: 'Cat'
}
});
console.log(users.filter(query));
// => [ { name: { first: 'Luna', last: 'Cat' }, age: 2 },
// { name: { first: 'Manny', last: 'Cat' }, age: 3 } ]
// multi-key
var query = _({
name: {
first: /^L/,
last: 'Cat'
}
});
console.log(users.filter(query));
// => [ { name: { first: 'Luna', last: 'Cat' }, age: 2 } ]
// multi-level
var query = _({
name: { last: 'Cat' },
age: 3
});
console.log(users.filter(query));
// => [ { name: { first: 'Manny', last: 'Cat' }, age: 3 } ]
MIT
FAQs
Convert property access strings into functions
The npm package to-function receives a total of 61,075 weekly downloads. As such, to-function popularity was classified as popular.
We found that to-function demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 12 open source maintainers collaborating on the project.
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