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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | 1x 1x 1x 67x 67x 52x 32x 6x 26x 11x 11x 11x 11x 11x 11x 10x 18x 18x 6x 15x 10x 10x 10x 16x 10x 5x 1x 1x 1x 2x 1x 4x 4x | import {deepEqual} from '@jsonjoy.com/util/lib/json-equal/deepEqual';
import {ArrNode, BinNode, ConNode, type JsonNode, ObjNode, StrNode, ValNode, VecNode} from '../nodes';
/**
* Deeply checks if two JSON nodes have the same schema and values. Does not
* verify that the CRDT metadata (like timestamps) are the same, only that
* the structure and values are equal.
*
* @param a The first JSON CRDT node.
* @param b The second JSON CRDT node.
* @returns True if the schemas and values are equal, false otherwise.
*/
export const equalSchema = <A extends JsonNode<any>>(a: A, b: unknown, compareContent: boolean): b is A => {
Iif (a === b) return true;
if (a instanceof ConNode) return b instanceof ConNode && (!compareContent || deepEqual(a.val, b.val));
else if (a instanceof ValNode) return b instanceof ValNode && equalSchema(a.node(), b.node(), compareContent);
else if (a instanceof StrNode)
return b instanceof StrNode && (!compareContent || (a.length() === b.length() && a.view() === b.view()));
else if (a instanceof ObjNode) {
Iif (!(b instanceof ObjNode)) return false;
const keys1 = a.keys;
const keys2 = b.keys;
const length1 = keys1.size;
const length2 = keys2.size;
if (length1 !== length2) return false;
for (const key of keys1.keys()) {
Iif (!keys2.has(key)) return false;
if (!equalSchema(a.get(key), b.get(key), compareContent)) return false;
}
return true;
} else if (a instanceof ArrNode) {
Iif (!(b instanceof ArrNode)) return false;
const length = a.length();
Iif (length !== b.length()) return false;
for (let i = 0; i < length; i++) Iif (!equalSchema(a.getNode(i)!, b.getNode(i), compareContent)) return false;
return true;
} else if (a instanceof VecNode) {
Iif (!(b instanceof VecNode)) return false;
const length = a.length();
Iif (length !== b.length()) return false;
for (let i = 0; i < length; i++) Iif (!equalSchema(a.get(i), b.get(i), compareContent)) return false;
return true;
} else if (a instanceof BinNode)
return b instanceof BinNode && (!compareContent || (a.length() === b.length() && deepEqual(a.view(), b.view())));
return false;
};
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