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npm install lens-o
import { parse, get, set } from 'lens-o';
const path = parse('a.b.1.c');
// path = ['a', 'b', 1, 'c']
// path[2] = 1 - index of array
const path = parse.ignore('a.b.-1.c');
// path = ['a', 'b', 'c']
const path = parse.unsafe('a.b.-1.c');
// path = ['a', 'b', 0, 'c'] - replace nagative index to zero
const path = parse.abs('a.b.-1.c');
// path = ['a', 'b', 1, 'c'] - absolute number
const val = get('a.b.1.c', {
a: {
b: [
{
c: 'hello',
},
{
c: 'world',
},
],
},
});
const val = get(path, {
a: {
b: [
{
c: 'hello',
},
{
c: 'world',
},
],
},
});
// val = world
const val = set('a.b.1.c', 'x', {
a: {
b: [
{
c: 'hello',
},
{
c: 'world',
},
],
},
});
const val = set(path, 'x', {
a: {
b: [
{
c: 'hello',
},
{
c: 'world',
},
],
},
});
// val = {
// a: 1,
// b: [{
// c: 'hello'
// }, {
// c: 'x'
// }]
// }
MIT
FAQs
Parse object path and get, set value
We found that lens-o demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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