How to use the lensIndex function from ramda

Find comprehensive JavaScript ramda.lensIndex code examples handpicked from public code repositorys.

bench.js

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const xsss100 = Array(100).fill([[1]])

const xyzn = {x: {y: {z: 1}}}

const l_0 = R.lensIndex(0)
const l_1 = R.lensIndex(1)
const l_50 = R.lensIndex(50)
const l_x = R.lensProp('x')
const l_y = R.lensProp('y')

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+ 11 other calls in file

ramda.js

GitHub: corporatepiyush/es6

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    x: 1,
    y: 2
}) //=> {x: -1, y: 2}


const headLens = _.lensIndex(0)

_.view(headLens, ['a', 'b', 'c']) //=> 'a'
_.set(headLens, 'x', ['a', 'b', 'c']) //=> ['x', 'b', 'c']
_.over(headLens, _.toUpper, ['a', 'b', 'c']) //=> ['A', 'b', 'c']

index.js

GitHub: VesaLahd/aoc2022

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const runMonkey = R.curry((gcf, monkeys, index) => {
  const worries = R.map(R.compose(R.modulo(R.__, gcf), monkeys[index].operation), monkeys[index].items)
  const targetMonkeys = R.map(worry => monkeys[index][monkeys[index].test(worry)], worries)
  const currentMonkey = R.lensIndex(index)
  return R.compose(
    R.reduce((acc, [item, target]) => R.over(
      R.compose(R.lensIndex(target), R.lensProp('items')), 
      R.append(item)

+ 3 other calls in file

cyclejs-audio-driver.js

GitHub: jemmyw/cyclejs-audio-driver

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 * @param {*} x
 * @return {*}
 * @see R.prop, R.lensIndex, R.lensProp
 * @example
 *
 *      var headLens = R.lensIndex(0);
 *
 *      R.over(headLens, R.toUpper, ['foo', 'bar', 'baz']); //=> ['FOO', 'bar', 'baz']
 */
// `Identity` is a functor that holds a single value, where `map` simply

+ 35 other calls in file

bundle.js

GitHub: Gaoey/canvas-vertice-google-detected-text

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* @param {Number} n
* @return {Lens}
* @see R.view, R.set, R.over, R.nth
* @example
*
*      const headLens = R.lensIndex(0);
*
*      R.view(headLens, ['a', 'b', 'c']);            //=> 'a'
*      R.set(headLens, 'x', ['a', 'b', 'c']);        //=> ['x', 'b', 'c']
*      R.over(headLens, R.toUpper, ['a', 'b', 'c']); //=> ['A', 'b', 'c']

+ 7 other calls in file

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