@igo2/utils
Version:
249 lines • 31.7 kB
JavaScript
/* eslint-disable no-prototype-builtins */
export class ObjectUtils {
static resolve(obj, key) {
const keysArray = key.replace(/\[/g, '.').replace(/\]/g, '').split('.');
let current = obj;
while (keysArray.length) {
if (typeof current !== 'object') {
return undefined;
}
current = current[keysArray.shift()];
}
return current;
}
static isObject(item) {
return (item &&
typeof item === 'object' &&
!Array.isArray(item) &&
item !== null &&
!(item instanceof Date));
}
static mergeDeep(target, source, ignoreUndefined = false) {
const output = Object.assign({}, target);
if (ObjectUtils.isObject(target) && ObjectUtils.isObject(source)) {
Object.keys(source)
.filter((key) => !ignoreUndefined || source[key] !== undefined)
.forEach((key) => {
if (ObjectUtils.isObject(source[key])) {
if (!(key in target)) {
Object.assign(output, { [key]: source[key] });
}
else {
output[key] = ObjectUtils.mergeDeep(target[key], source[key], ignoreUndefined);
}
}
else {
Object.assign(output, { [key]: source[key] });
}
});
}
return output;
}
static copyDeep(src) {
const target = Array.isArray(src) ? [] : {};
for (const prop in src) {
if (src.hasOwnProperty(prop)) {
const value = src[prop];
if (value && typeof value === 'object') {
target[prop] = this.copyDeep(value);
}
else {
target[prop] = value;
}
}
}
return target;
}
static removeDuplicateCaseInsensitive(obj) {
const summaryCapitalizeObject = {};
const capitalizeObject = {};
const upperCaseCount = [];
for (const property in obj) {
if (obj.hasOwnProperty(property)) {
const upperCaseProperty = property.toUpperCase();
if (!summaryCapitalizeObject.hasOwnProperty(upperCaseProperty)) {
summaryCapitalizeObject[upperCaseProperty] = [
{ [property]: obj[property] }
];
}
else {
summaryCapitalizeObject[upperCaseProperty].push({
[property]: obj[property]
});
}
// counting the number of uppercase lettersMna
upperCaseCount.push({
key: property,
count: property.replace(/[^A-Z]/g, '').length
});
}
}
for (const capitalizedProperty in summaryCapitalizeObject) {
if (summaryCapitalizeObject.hasOwnProperty(capitalizedProperty)) {
if (summaryCapitalizeObject.hasOwnProperty(capitalizedProperty)) {
const capitalizedPropertyObject = summaryCapitalizeObject[capitalizedProperty];
if (capitalizedPropertyObject.length === 1) {
// for single params (no duplicates)
const singlePossibility = capitalizedPropertyObject[0];
capitalizeObject[capitalizedProperty] =
singlePossibility[Object.keys(singlePossibility)[0]];
}
else if (capitalizedPropertyObject.length > 1) {
// defining the closest to lowercase property
const paramClosestToLowercase = upperCaseCount
.filter((f) => f.key.toLowerCase() === capitalizedProperty.toLowerCase())
.reduce((prev, current) => {
return prev.y < current.y ? prev : current;
});
capitalizeObject[paramClosestToLowercase.key.toUpperCase()] =
obj[paramClosestToLowercase.key];
}
}
}
}
for (const property in obj) {
if (obj.hasOwnProperty(property)) {
delete obj[property];
}
}
for (const property in capitalizeObject) {
if (capitalizeObject.hasOwnProperty(property)) {
obj[property] = capitalizeObject[property];
}
}
}
static removeUndefined(obj) {
const output = {};
if (ObjectUtils.isObject(obj)) {
Object.keys(obj)
.filter((key) => obj[key] !== undefined)
.forEach((key) => {
if (ObjectUtils.isObject(obj[key]) || Array.isArray(obj[key])) {
output[key] = ObjectUtils.removeUndefined(obj[key]);
}
else {
output[key] = obj[key];
}
});
return output;
}
if (Array.isArray(obj)) {
return obj.map((o) => ObjectUtils.removeUndefined(o));
}
return obj;
}
static removeNull(obj) {
const output = {};
if (ObjectUtils.isObject(obj)) {
Object.keys(obj)
.filter((key) => obj[key] !== null)
.forEach((key) => {
if (ObjectUtils.isObject(obj[key]) || Array.isArray(obj[key])) {
output[key] = ObjectUtils.removeNull(obj[key]);
}
else {
output[key] = obj[key];
}
});
return output;
}
if (Array.isArray(obj)) {
return obj.map((o) => ObjectUtils.removeNull(o));
}
return obj;
}
static naturalCompare(a, b, direction = 'asc', nullsFirst) {
if (direction === 'desc') {
b = [a, (a = b)][0];
}
// nullsFirst = undefined : end if direction = 'asc', first if direction = 'desc'
// nullsFirst = true : always first
// nullsFirst = false : always end
if (a === null ||
a === '' ||
a === undefined ||
b === null ||
b === '' ||
b === undefined) {
const nullScore = a === b
? 0
: a === undefined
? 3
: b === undefined
? -3
: a === null
? 2
: b === null
? -2
: a === ''
? 1
: -1;
if (direction === 'desc') {
return nullsFirst !== false ? nullScore : nullScore * -1;
}
return nullsFirst === true ? nullScore * -1 : nullScore;
}
const ax = [];
const bx = [];
a = '' + a;
b = '' + b;
a.replace(/(\d+)|(\D+)/g, (_, $1, $2) => {
ax.push([$1 || Infinity, $2 || '']);
});
b.replace(/(\d+)|(\D+)/g, (_, $1, $2) => {
bx.push([$1 || Infinity, $2 || '']);
});
while (ax.length && bx.length) {
const an = ax.shift();
const bn = bx.shift();
const nn = an[0] - bn[0] || an[1].localeCompare(bn[1]);
if (nn) {
return nn;
}
}
return ax.length - bx.length;
}
/**
* Return true if two object are equivalent.
* Objects are considered equivalent if they have the same properties and
* if all of their properties (first-level only) share the same value.
* @param obj1 First object
* @param obj2 Second object
* @returns Whether two objects arer equivalent
*/
static objectsAreEquivalent(obj1, obj2) {
if (obj1 === obj2) {
return true;
}
const obj1Props = Object.getOwnPropertyNames(obj1);
const obj2Props = Object.getOwnPropertyNames(obj2);
if (obj1Props.length !== obj2Props.length) {
return false;
}
for (const prop of obj1Props) {
if (obj1[prop] !== obj2[prop]) {
return false;
}
}
return true;
}
/**
* Return a new object with an array of keys removed
* @param obj Source object
* @param keys Keys to remove
* @returns A new object
*/
static removeKeys(obj, keys) {
const newObj = Object.keys(obj)
.filter((key) => keys.indexOf(key) < 0)
.reduce((_obj, key) => {
_obj[key] = obj[key];
return _obj;
}, {});
return newObj;
}
static isEmpty(obj) {
return Object.keys(obj).length === 0;
}
}
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(ObjectUtils.isObject(source[key])) {\n            if (!(key in target)) {\n              Object.assign(output, { [key]: source[key] });\n            } else {\n              output[key] = ObjectUtils.mergeDeep(\n                target[key],\n                source[key],\n                ignoreUndefined\n              );\n            }\n          } else {\n            Object.assign(output, { [key]: source[key] });\n          }\n        });\n    }\n    return output;\n  }\n\n  static copyDeep(src): any {\n    const target = Array.isArray(src) ? [] : {};\n    for (const prop in src) {\n      if (src.hasOwnProperty(prop)) {\n        const value = src[prop];\n        if (value && typeof value === 'object') {\n          target[prop] = this.copyDeep(value);\n        } else {\n          target[prop] = value;\n        }\n      }\n    }\n    return target;\n  }\n\n  static removeDuplicateCaseInsensitive(obj: object) {\n    const summaryCapitalizeObject = {};\n    const capitalizeObject = {};\n    const upperCaseCount = [];\n\n    for (const property in obj) {\n      if (obj.hasOwnProperty(property)) {\n        const upperCaseProperty = property.toUpperCase();\n        if (!summaryCapitalizeObject.hasOwnProperty(upperCaseProperty)) {\n          summaryCapitalizeObject[upperCaseProperty] = [\n            { [property]: obj[property] }\n          ];\n        } else {\n          summaryCapitalizeObject[upperCaseProperty].push({\n            [property]: obj[property]\n          });\n        }\n        // counting the number of uppercase lettersMna\n        upperCaseCount.push({\n          key: property,\n          count: property.replace(/[^A-Z]/g, '').length\n        });\n      }\n    }\n    for (const capitalizedProperty in summaryCapitalizeObject) {\n      if (summaryCapitalizeObject.hasOwnProperty(capitalizedProperty)) {\n        if (summaryCapitalizeObject.hasOwnProperty(capitalizedProperty)) {\n          const capitalizedPropertyObject =\n            summaryCapitalizeObject[capitalizedProperty];\n          if (capitalizedPropertyObject.length === 1) {\n            // for single params (no duplicates)\n            const singlePossibility = capitalizedPropertyObject[0];\n            capitalizeObject[capitalizedProperty] =\n              singlePossibility[Object.keys(singlePossibility)[0]];\n          } else if (capitalizedPropertyObject.length > 1) {\n            // defining the closest to lowercase property\n            const paramClosestToLowercase = upperCaseCount\n              .filter(\n                (f) => f.key.toLowerCase() === capitalizedProperty.toLowerCase()\n              )\n              .reduce((prev, current) => {\n                return prev.y < current.y ? prev : current;\n              });\n            capitalizeObject[paramClosestToLowercase.key.toUpperCase()] =\n              obj[paramClosestToLowercase.key];\n          }\n        }\n      }\n    }\n    for (const property in obj) {\n      if (obj.hasOwnProperty(property)) {\n        delete obj[property];\n      }\n    }\n\n    for (const property in capitalizeObject) {\n      if (capitalizeObject.hasOwnProperty(property)) {\n        obj[property] = capitalizeObject[property];\n      }\n    }\n  }\n\n  static removeUndefined(obj: object): any {\n    const output = {};\n    if (ObjectUtils.isObject(obj)) {\n      Object.keys(obj)\n        .filter((key) => obj[key] !== undefined)\n        .forEach((key) => {\n          if (ObjectUtils.isObject(obj[key]) || Array.isArray(obj[key])) {\n            output[key] = ObjectUtils.removeUndefined(obj[key]);\n          } else {\n            output[key] = obj[key];\n          }\n        });\n\n      return output;\n    }\n\n    if (Array.isArray(obj)) {\n      return obj.map((o) => ObjectUtils.removeUndefined(o));\n    }\n\n    return obj;\n  }\n\n  static removeNull(obj: object): any {\n    const output = {};\n    if (ObjectUtils.isObject(obj)) {\n      Object.keys(obj)\n        .filter((key) => obj[key] !== null)\n        .forEach((key) => {\n          if (ObjectUtils.isObject(obj[key]) || Array.isArray(obj[key])) {\n            output[key] = ObjectUtils.removeNull(obj[key]);\n          } else {\n            output[key] = obj[key];\n          }\n        });\n\n      return output;\n    }\n\n    if (Array.isArray(obj)) {\n      return obj.map((o) => ObjectUtils.removeNull(o));\n    }\n\n    return obj;\n  }\n\n  static naturalCompare(a, b, direction = 'asc', nullsFirst?: boolean) {\n    if (direction === 'desc') {\n      b = [a, (a = b)][0];\n    }\n\n    // nullsFirst = undefined : end if direction = 'asc', first if direction = 'desc'\n    // nullsFirst = true : always first\n    // nullsFirst = false : always end\n    if (\n      a === null ||\n      a === '' ||\n      a === undefined ||\n      b === null ||\n      b === '' ||\n      b === undefined\n    ) {\n      const nullScore =\n        a === b\n          ? 0\n          : a === undefined\n            ? 3\n            : b === undefined\n              ? -3\n              : a === null\n                ? 2\n                : b === null\n                  ? -2\n                  : a === ''\n                    ? 1\n                    : -1;\n      if (direction === 'desc') {\n        return nullsFirst !== false ? nullScore : nullScore * -1;\n      }\n      return nullsFirst === true ? nullScore * -1 : nullScore;\n    }\n\n    const ax = [];\n    const bx = [];\n    a = '' + a;\n    b = '' + b;\n\n    a.replace(/(\\d+)|(\\D+)/g, (_, $1, $2) => {\n      ax.push([$1 || Infinity, $2 || '']);\n    });\n\n    b.replace(/(\\d+)|(\\D+)/g, (_, $1, $2) => {\n      bx.push([$1 || Infinity, $2 || '']);\n    });\n\n    while (ax.length && bx.length) {\n      const an = ax.shift();\n      const bn = bx.shift();\n      const nn = an[0] - bn[0] || an[1].localeCompare(bn[1]);\n      if (nn) {\n        return nn;\n      }\n    }\n\n    return ax.length - bx.length;\n  }\n\n  /**\n   * Return true if two object are equivalent.\n   * Objects are considered equivalent if they have the same properties and\n   * if all of their properties (first-level only) share the same value.\n   * @param obj1 First object\n   * @param obj2 Second object\n   * @returns Whether two objects arer equivalent\n   */\n  static objectsAreEquivalent(obj1: object, obj2: object): boolean {\n    if (obj1 === obj2) {\n      return true;\n    }\n\n    const obj1Props = Object.getOwnPropertyNames(obj1);\n    const obj2Props = Object.getOwnPropertyNames(obj2);\n    if (obj1Props.length !== obj2Props.length) {\n      return false;\n    }\n\n    for (const prop of obj1Props) {\n      if (obj1[prop] !== obj2[prop]) {\n        return false;\n      }\n    }\n\n    return true;\n  }\n\n  /**\n   * Return a new object with an array of keys removed\n   * @param obj Source object\n   * @param keys Keys to remove\n   * @returns A new object\n   */\n  static removeKeys(obj: object, keys: string[]): object {\n    const newObj = Object.keys(obj)\n      .filter((key) => keys.indexOf(key) < 0)\n      .reduce((_obj, key) => {\n        _obj[key] = obj[key];\n        return _obj;\n      }, {});\n\n    return newObj;\n  }\n\n  static isEmpty(obj: object): boolean {\n    return Object.keys(obj).length === 0;\n  }\n}\n"]}