[vchess.git] / client / src / utils / array.js

// Remove item(s) in array (if present)
export const ArrayFun = {

  remove: function(arr, rfun, all) {
    const index = arr.findIndex(rfun);
    if (index >= 0) {
      arr.splice(index, 1);
      if (!!all) {
        // Reverse loop because of the splice below
        for (let i = arr.length - 1; i >= index; i--) {
          if (rfun(arr[i])) arr.splice(i, 1);
        }
      }
    }
  },

  // Double array intialization
  init: function(size1, size2, initElem) {
    return [...Array(size1)].map(() => Array(size2).fill(initElem));
  },

  range: function(max) {
    return [...Array(max).keys()];
  }

};
Commit	Line	Data
	1	// Remove item(s) in array (if present)
	2	export const ArrayFun = {
	3
	4	remove: function(arr, rfun, all) {
	5	const index = arr.findIndex(rfun);
	6	if (index >= 0) {
	7	arr.splice(index, 1);
	8	if (!!all) {
	9	// Reverse loop because of the splice below
	10	for (let i = arr.length - 1; i >= index; i--) {
	11	if (rfun(arr[i])) arr.splice(i, 1);
	12	}
	13	}
	14	}
	15	},
	16
	17	// Double array intialization
	18	init: function(size1, size2, initElem) {
	19	return [...Array(size1)].map(() => Array(size2).fill(initElem));
	20	},
	21
	22	range: function(max) {
	23	return [...Array(max).keys()];
	24	}
	25
	26	};