iter-tools-es/impls/$split-when/split-when.js

The iterable toolbox

const {
  iterableCurry
} = require('../../internal/iterable.js');

const {
  __spliterate
} = require('../$spliterate/spliterate.js');

function* predicateSpliterator(split, {
  predicate
}, source) {
  let i = 0;

  for (const value of source) {
    yield predicate(value, i++) ? split : value;
  }
}

function __splitWhen(source, predicate) {
  return __spliterate(source, predicateSpliterator, {
    predicate
  });
}

exports.__splitWhen = __splitWhen;
const splitWhen = /*#__PURE__*/iterableCurry(__splitWhen);
exports.splitWhen = splitWhen;