@effect-ts/system/Collections/Immutable/HashMap/Array/index.js

Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.arraySpliceIn = arraySpliceIn;
exports.arraySpliceOut = arraySpliceOut;
exports.arrayUpdate = arrayUpdate;

// ets_tracing: off
function arrayUpdate(mutate, at, v, arr) {
  let out = arr;

  if (!mutate) {
    const len = arr.length;
    out = new Array(len);

    for (let i = 0; i < len; ++i) out[i] = arr[i];
  }

  out[at] = v;
  return out;
}

function arraySpliceOut(mutate, at, arr) {
  const newLen = arr.length - 1;
  let i = 0;
  let g = 0;
  let out = arr;

  if (mutate) {
    i = g = at;
  } else {
    out = new Array(newLen);

    while (i < at) out[g++] = arr[i++];
  }

  ++i;

  while (i <= newLen) out[g++] = arr[i++];

  if (mutate) {
    out.length = newLen;
  }

  return out;
}

function arraySpliceIn(mutate, at, v, arr) {
  const len = arr.length;

  if (mutate) {
    let i = len;

    while (i >= at) arr[i--] = arr[i];

    arr[at] = v;
    return arr;
  }

  let i = 0,
      g = 0;
  const out = new Array(len + 1);

  while (i < at) out[g++] = arr[i++];

  out[at] = v;

  while (i < len) out[++g] = arr[i++];

  return out;
}
//# sourceMappingURL=index.js.map