svogv
Version:
A decorator based approach for model driven forms, including an advanced DataGrid and a TreeView component.
79 lines • 8.18 kB
JavaScript
/**
* @ignore
*/
Object.same = function (source, target) {
if (source === target) {
return true;
}
if (!(source instanceof Object) || !(target instanceof Object)) {
return false;
}
// if they are not strictly equal, they both need to be Objects
for (const prop in source) {
if (!source.hasOwnProperty(prop)) {
continue;
}
if (source[prop] === undefined || source[prop] === null || source[prop] === '') {
continue;
}
if (typeof source[prop] === 'object' && Object.same(source[prop], target[prop])) {
continue;
}
if (typeof source[prop] === 'string' && target[prop].startsWith(source[prop])) {
continue;
}
if (source[prop] === target[prop]) {
continue;
}
return false;
}
return true;
};
/**
* @ignore
*/
Object.equals = function (x, y) {
if (x === y) {
return true;
}
// if both x and y are null or undefined and exactly the same
if (!(x instanceof Object) || !(y instanceof Object)) {
return false;
}
// if they are not strictly equal, they both need to be Objects
if (x.constructor !== y.constructor) {
return false;
}
// they must have the exact same prototype chain, the closest we can do is
// test there constructor.
for (const p in x) {
if (!x.hasOwnProperty(p)) {
continue;
}
// other properties were tested using x.constructor === y.constructor
if (!y.hasOwnProperty(p)) {
return false;
}
// allows to compare x[ p ] and y[ p ] when set to undefined
if (x[p] === y[p]) {
continue;
}
// if they have the same strict value or identity then they are equal
if (typeof (x[p]) !== 'object') {
return false;
}
// Numbers, Strings, Functions, Booleans must be strictly equal
if (!Object.equals(x[p], y[p])) {
return false;
}
// Objects and Arrays must be tested recursively
}
for (const p in y) {
if (y.hasOwnProperty(p) && !x.hasOwnProperty(p)) {
return false;
}
// allows x[ p ] to be set to undefined
}
return true;
};
//# 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