12e073e8cf
mostly because code is being autogenerated by all the AI stuff using this prefix. it's also used in the stack trace.
58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
'use strict';
|
|
|
|
exports = module.exports = {
|
|
pick,
|
|
omit,
|
|
intersection,
|
|
isEqual,
|
|
difference
|
|
};
|
|
|
|
// IMPORTANT: this file is required from the migration logic. avoid requires
|
|
const assert = require('node:assert');
|
|
|
|
// note: returns shallow copy. use structuredClone() on top to get a deep copy
|
|
function pick(obj, keys) {
|
|
assert(Array.isArray(keys));
|
|
|
|
return Object.fromEntries(Object.entries(obj).filter(([key]) => keys.includes(key)));
|
|
}
|
|
|
|
// note: returns shallow copy. use structuredClone() on top to get a deep copy
|
|
function omit(obj, keys) {
|
|
assert(Array.isArray(keys));
|
|
|
|
return Object.fromEntries(Object.entries(obj).filter(([key]) => !keys.includes(key)));
|
|
}
|
|
|
|
function intersection(arr1, arr2) {
|
|
assert(Array.isArray(arr1));
|
|
assert(Array.isArray(arr2));
|
|
|
|
return arr1.filter(value => arr2.includes(value));
|
|
}
|
|
|
|
// can be arrays or objects
|
|
function isEqual(val1, val2) {
|
|
if (val1 === val2) return true;
|
|
|
|
if (Array.isArray(val1) && Array.isArray(val2)) {
|
|
if (val1.length !== val2.length) return false;
|
|
return val1.every((item, index) => isEqual(item, val2[index]));
|
|
} else if (val1 !== null && typeof val1 === 'object' && val2 !== null && typeof val2 === 'object') {
|
|
const keys1 = Object.keys(val1), keys2 = Object.keys(val2);
|
|
if (keys1.length !== keys2.length) return false;
|
|
return keys1.every(key => isEqual(val1[key], val2[key])); // Recursively compare object properties
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function difference(array, values) {
|
|
assert(Array.isArray(array));
|
|
assert(Array.isArray(values));
|
|
|
|
const valueSet = new Set(values);
|
|
return array.filter(item => !valueSet.has(item));
|
|
}
|