@rdkmaster/ngx-translate-core
Version:
Translation library (i18n) for Angular
146 lines • 15.6 kB
JavaScript
/* eslint-disable @typescript-eslint/no-explicit-any */
/**
* Determines if two objects or two values are equivalent.
*
* Two objects or values are considered equivalent if at least one of the following is true:
*
* * Both objects or values pass `===` comparison.
* * Both objects or values are of the same type and all of their properties are equal by
* comparing them with `equals`.
*
* @param o1 Object or value to compare.
* @param o2 Object or value to compare.
* @returns true if arguments are equal.
*/
export function equals(o1, o2) {
if (o1 === o2)
return true;
if (o1 === null || o2 === null)
return false;
if (o1 !== o1 && o2 !== o2)
return true; // NaN === NaN
const t1 = typeof o1, t2 = typeof o2;
let length, key, keySet;
if (t1 == t2 && t1 == 'object') {
if (Array.isArray(o1)) {
if (!Array.isArray(o2))
return false;
if ((length = o1.length) == o2.length) {
for (key = 0; key < length; key++) {
if (!equals(o1[key], o2[key]))
return false;
}
return true;
}
}
else {
if (Array.isArray(o2)) {
return false;
}
keySet = Object.create(null);
for (key in o1) {
if (!equals(o1[key], o2[key])) {
return false;
}
keySet[key] = true;
}
for (key in o2) {
if (!(key in keySet) && typeof o2[key] !== 'undefined') {
return false;
}
}
return true;
}
}
return false;
}
export function isDefined(value) {
return typeof value !== 'undefined' && value !== null;
}
export function isDict(value) {
return isObject(value) && !isArray(value);
}
export function isObject(value) {
return typeof value === 'object';
}
export function isArray(value) {
return Array.isArray(value);
}
export function isString(value) {
return typeof value === 'string';
}
export function isFunction(value) {
return typeof value === "function";
}
export function mergeDeep(target, source) {
const output = Object.assign({}, target);
if (!isObject(target)) {
return mergeDeep({}, source);
}
if (isObject(target) && isObject(source)) {
Object.keys(source).forEach((key) => {
if (isDict(source[key])) {
if (key in target) {
output[key] = mergeDeep(target[key], source[key]);
}
else {
Object.assign(output, { [key]: source[key] });
}
}
else {
Object.assign(output, { [key]: source[key] });
}
});
}
return output;
}
/**
* Gets a value from an object by composed key
* getValue({ key1: { keyA: 'valueI' }}, 'key1.keyA') ==> 'valueI'
* @param target
* @param key
*/
export function getValue(target, key) {
const keys = key.split(".");
key = "";
do {
key += keys.shift();
if (isDefined(target) && isDefined(target[key]) && (isDict(target[key]) || isArray(target[key]) || !keys.length)) {
target = target[key];
key = "";
}
else if (!keys.length) {
target = undefined;
}
else {
key += ".";
}
} while (keys.length);
return target;
}
/**
* Gets a value from an object by composed key
* parser.setValue({a:{b:{c: "test"}}}, 'a.b.c', "test2") ==> {a:{b:{c: "test2"}}}
* @param target an object
* @param key E.g. "a.b.c"
* @param value to set
*/
export function setValue(target, key, value) {
const keys = key.split('.');
let current = target;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
// If we're at the last key, set the value
if (i === keys.length - 1) {
current[key] = value;
}
else {
// If the key doesn't exist or isn't an object, create an empty object
if (!current[key] || !isDict(current[key])) {
current[key] = {};
}
current = current[key];
}
}
}
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eslint-disable @typescript-eslint/no-explicit-any */\n\n/**\n * Determines if two objects or two values are equivalent.\n *\n * Two objects or values are considered equivalent if at least one of the following is true:\n *\n * * Both objects or values pass `===` comparison.\n * * Both objects or values are of the same type and all of their properties are equal by\n *   comparing them with `equals`.\n *\n * @param o1 Object or value to compare.\n * @param o2 Object or value to compare.\n * @returns true if arguments are equal.\n */\nexport function equals(o1: any, o2: any): boolean {\n  if (o1 === o2) return true;\n  if (o1 === null || o2 === null) return false;\n  if (o1 !== o1 && o2 !== o2) return true; // NaN === NaN\n  const t1 = typeof o1, t2 = typeof o2;\n  let length: number, key: any, keySet: any;\n  if (t1 == t2 && t1 == 'object') {\n    if (Array.isArray(o1)) {\n      if (!Array.isArray(o2)) return false;\n      if ((length = o1.length) == o2.length) {\n        for (key = 0; key < length; key++) {\n          if (!equals(o1[key], o2[key])) return false;\n        }\n        return true;\n      }\n    } else {\n      if (Array.isArray(o2)) {\n        return false;\n      }\n      keySet = Object.create(null);\n      for (key in o1) {\n        if (!equals(o1[key], o2[key])) {\n          return false;\n        }\n        keySet[key] = true;\n      }\n      for (key in o2) {\n        if (!(key in keySet) && typeof o2[key] !== 'undefined') {\n          return false;\n        }\n      }\n      return true;\n    }\n  }\n  return false;\n}\n\nexport function isDefined(value: any): boolean {\n  return typeof value !== 'undefined' && value !== null;\n}\n\n\nexport function isDict(value: any): boolean {\n  return isObject(value) && !isArray(value);\n}\n\n\nexport function isObject(value: any): boolean {\n  return typeof value === 'object';\n}\n\nexport function isArray(value: any): boolean {\n  return Array.isArray(value);\n}\n\nexport function isString(value: any): boolean {\n  return typeof value === 'string';\n}\n\nexport function isFunction(value: any):boolean {\n  return typeof value === \"function\"\n}\n\n\nexport function mergeDeep(target: any, source: any): any {\n  const output = Object.assign({}, target);\n\n  if (!isObject(target)) {\n    return mergeDeep({}, source);\n  }\n\n  if (isObject(target) && isObject(source)) {\n    Object.keys(source).forEach((key: any) => {\n      if (isDict(source[key])) {\n        if (key in target) {\n          output[key] = mergeDeep(target[key], source[key]);\n        } else {\n          Object.assign(output, {[key]: source[key]});\n        }\n      } else {\n        Object.assign(output, {[key]: source[key]});\n      }\n    });\n  }\n  return output;\n}\n\n\n/**\n * Gets a value from an object by composed key\n * getValue({ key1: { keyA: 'valueI' }}, 'key1.keyA') ==> 'valueI'\n * @param target\n * @param key\n */\nexport function getValue(target: any, key: string): any\n{\n  const keys = key.split(\".\");\n\n  key = \"\";\n  do\n  {\n    key += keys.shift();\n    if (isDefined(target) && isDefined(target[key]) && (isDict(target[key]) ||isArray(target[key]) || !keys.length))\n    {\n      target = target[key];\n      key = \"\";\n    }\n    else if (!keys.length)\n    {\n      target = undefined;\n    }\n    else\n    {\n      key += \".\";\n    }\n  } while (keys.length);\n\n  return target;\n}\n\n/**\n * Gets a value from an object by composed key\n * parser.setValue({a:{b:{c: \"test\"}}}, 'a.b.c', \"test2\") ==> {a:{b:{c: \"test2\"}}}\n * @param target an object\n * @param key E.g. \"a.b.c\"\n * @param value to set\n */\nexport function setValue(target: any, key: string, value: any): void {\n  const keys = key.split('.');\n  let current = target;\n\n  for (let i = 0; i < keys.length; i++) {\n    const key = keys[i];\n\n    // If we're at the last key, set the value\n    if (i === keys.length - 1) {\n      current[key] = value;\n    } else {\n      // If the key doesn't exist or isn't an object, create an empty object\n      if (!current[key] || !isDict(current[key])) {\n        current[key] = {};\n      }\n      current = current[key];\n    }\n  }\n}\n\n\n"]}