all files / src/js/base/core/ lists.js

87.67% Statements 64/73
75% Branches 15/20
90% Functions 18/20
87.5% Lines 63/72
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(function(global){global.wrappers['/Users/lqez/Dev/summernote/src/js/base/core/lists.js']=[function(require,module,exports,__dirname,__filename){ "use strict";
exports.__esModule = true;
var jquery_1 = require("jquery");
var func_1 = require("./func");
/**
 * returns the first item of an array.
 *
 * @param {Array} array
 */
function head(array) {
    return array[0];
}
/**
 * returns the last item of an array.
 *
 * @param {Array} array
 */
function last(array) {
    return array[array.length - 1];
}
/**
 * returns everything but the last entry of the array.
 *
 * @param {Array} array
 */
function initial(array) {
    return array.slice(0, array.length - 1);
}
/**
 * returns the rest of the items in an array.
 *
 * @param {Array} array
 */
function tail(array) {
    return array.slice(1);
}
/**
 * returns item of array
 */
function find(array, pred) {
    for (var idx = 0, len = array.length; idx < len; idx++) {
        var item = array[idx];
        if (pred(item)) {
            return item;
        }
    }
}
/**
 * returns true if all of the values in the array pass the predicate truth test.
 */
function all(array, pred) {
    for (var idx = 0, len = array.length; idx < len; idx++) {
        if (!pred(array[idx])) {
            return false;
        }
    }
    return true;
}
/**
 * returns index of item
 */
function indexOf(array, item) {
    return jquery_1["default"].inArray(item, array);
}
/**
 * returns true if the value is present in the list.
 */
function contains(array, item) {
    return indexOf(array, item) !== -1;
}
/**
 * get sum from a list
 *
 * @param {Array} array - array
 * @param {Function} fn - iterator
 */
function sum(array, fn) {
    fn = fn || func_1["default"].self;
    return array.reduce(function (memo, v) {
        return memo + fn(v);
    }, 0);
}
/**
 * returns a copy of the collection with array type.
 * @param {Collection} collection - collection eg) node.childNodes, ...
 */
function from(collection) {
    var result = [];
    var length = collection.length;
    var idx = -1;
    while (++idx < length) {
        result[idx] = collection[idx];
    }
    return result;
}
/**
 * returns whether list is empty or not
 */
function isEmpty(array) {
    return !array || !array.length;
}
/**
 * cluster elements by predicate function.
 *
 * @param {Array} array - array
 * @param {Function} fn - predicate function for cluster rule
 * @param {Array[]}
 */
function clusterBy(array, fn) {
    Iif (!array.length) {
        return [];
    }
    var aTail = tail(array);
    return aTail.reduce(function (memo, v) {
        var aLast = last(memo);
        if (fn(last(aLast), v)) {
            aLast[aLast.length] = v;
        }
        else {
            memo[memo.length] = [v];
        }
        return memo;
    }, [[head(array)]]);
}
/**
 * returns a copy of the array with all false values removed
 *
 * @param {Array} array - array
 * @param {Function} fn - predicate function for cluster rule
 */
function compact(array) {
    var aResult = [];
    for (var idx = 0, len = array.length; idx < len; idx++) {
        if (array[idx]) {
            aResult.push(array[idx]);
        }
    }
    return aResult;
}
/**
 * produces a duplicate-free version of the array
 *
 * @param {Array} array
 */
function unique(array) {
    var results = [];
    for (var idx = 0, len = array.length; idx < len; idx++) {
        if (!contains(results, array[idx])) {
            results.push(array[idx]);
        }
    }
    return results;
}
/**
 * returns next item.
 * @param {Array} array
 */
function next(array, item) {
    var idx = indexOf(array, item);
    if (idx === -1) {
        return null;
    }
    return array[idx + 1];
}
/**
 * returns prev item.
 * @param {Array} array
 */
function prev(array, item) {
    var idx = indexOf(array, item);
    if (idx === -1) {
        return null;
    }
    return array[idx - 1];
}
/**
 * @class core.list
 *
 * list utils
 *
 * @singleton
 * @alternateClassName list
 */
exports["default"] = {
    head: head,
    last: last,
    initial: initial,
    tail: tail,
    prev: prev,
    next: next,
    find: find,
    contains: contains,
    all: all,
    sum: sum,
    from: from,
    isEmpty: isEmpty,
    clusterBy: clusterBy,
    compact: compact,
    unique: unique
};
 
},'src/js/base/core/lists.js',{"jquery":"/Users/lqez/Dev/summernote/node_modules/jquery/dist/jquery.js","./func":"/Users/lqez/Dev/summernote/src/js/base/core/func.js"}];})(this);
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idx < len; idx++) {\n    const item = array[idx];\n    if (pred(item)) {\n      return item;\n    }\n  }\n}\n\n/**\n * returns true if all of the values in the array pass the predicate truth test.\n */\nfunction all(array, pred) {\n  for (let idx = 0, len = array.length; idx < len; idx++) {\n    if (!pred(array[idx])) {\n      return false;\n    }\n  }\n  return true;\n}\n\n/**\n * returns index of item\n */\nfunction indexOf(array, item) {\n  return $.inArray(item, array);\n}\n\n/**\n * returns true if the value is present in the list.\n */\nfunction contains(array, item) {\n  return indexOf(array, item) !== -1;\n}\n\n/**\n * get sum from a list\n *\n * @param {Array} array - array\n * @param {Function} fn - iterator\n */\nfunction sum(array, fn) {\n  fn = fn || func.self;\n  return array.reduce(function(memo, v) {\n    return memo + fn(v);\n  }, 0);\n}\n\n/**\n * returns a copy of the collection with array type.\n * @param {Collection} collection - collection eg) node.childNodes, ...\n */\nfunction from(collection) {\n  const result = [];\n  const length = collection.length;\n  let idx = -1;\n  while (++idx < length) {\n    result[idx] = collection[idx];\n  }\n  return result;\n}\n\n/**\n * returns whether list is empty or not\n */\nfunction isEmpty(array) {\n  return !array || !array.length;\n}\n\n/**\n * cluster elements by predicate function.\n *\n * @param {Array} array - array\n * @param {Function} fn - predicate function for cluster rule\n * @param {Array[]}\n */\nfunction clusterBy(array, fn) {\n  if (!array.length) { return []; }\n  const aTail = tail(array);\n  return aTail.reduce(function(memo, v) {\n    const aLast = last(memo);\n    if (fn(last(aLast), v)) {\n      aLast[aLast.length] = v;\n    } else {\n      memo[memo.length] = [v];\n    }\n    return memo;\n  }, [[head(array)]]);\n}\n\n/**\n * returns a copy of the array with all false values removed\n *\n * @param {Array} array - array\n * @param {Function} fn - predicate function for cluster rule\n */\nfunction compact(array) {\n  const aResult = [];\n  for (let idx = 0, len = array.length; idx < len; idx++) {\n    if (array[idx]) { aResult.push(array[idx]); }\n  }\n  return aResult;\n}\n\n/**\n * produces a duplicate-free version of the array\n *\n * @param {Array} array\n */\nfunction unique(array) {\n  const results = [];\n\n  for (let idx = 0, len = array.length; idx < len; idx++) {\n    if (!contains(results, array[idx])) {\n      results.push(array[idx]);\n    }\n  }\n\n  return results;\n}\n\n/**\n * returns next item.\n * @param {Array} array\n */\nfunction next(array, item) {\n  const idx = indexOf(array, item);\n  if (idx === -1) { return null; }\n\n  return array[idx + 1];\n}\n\n/**\n * returns prev item.\n * @param {Array} array\n */\nfunction prev(array, item) {\n  const idx = indexOf(array, item);\n  if (idx === -1) { return null; }\n\n  return array[idx - 1];\n}\n\n/**\n * @class core.list\n *\n * list utils\n *\n * @singleton\n * @alternateClassName list\n */\nexport default {\n  head,\n  last,\n  initial,\n  tail,\n  prev,\n  next,\n  find,\n  contains,\n  all,\n  sum,\n  from,\n  isEmpty,\n  clusterBy,\n  compact,\n  unique,\n};\n"]}