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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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 63x 63x 63x 63x 63x 997251x 997251x 997251x 997251x 63x 122046x 122046x 122046x 122046x 122046x 63x 834525x 150924x 1858x 1858x 1858x 149066x 145958x 685431x 145958x 3108x 642x 2122x 3108x 63x 228x 63x 202x 63x | import {CONST, updateNum} from '../json-hash/hash';
import {ConNode, ValNode, ObjNode, VecNode, ArrNode} from './nodes';
import {AbstractRga} from './nodes/rga';
import {last2} from 'sonic-forest/lib/util2';
import type {JsonNode} from './nodes';
import type {ITimestampStruct} from '../json-crdt-patch/clock';
import type {Model} from './model';
export const updateId = (state: number, id: ITimestampStruct): number => {
const time = id.time;
state = updateNum(state, state ^ time);
state = updateNum(state, id.sid ^ time);
return state;
};
export const updateRga = (state: number, node: AbstractRga<unknown>): number => {
state = updateNum(state, node.length());
state = updateNum(state, node.size());
const maxIdChunk = last2(node.ids);
if (maxIdChunk) state = updateId(state, maxIdChunk.id);
return updateId(state, node.id);
};
/**
* Updates the hash state with the given JSON CRDT node.
* @param state Current hash state.
* @param node JSON CRDT node from which to compute the hash.
*/
export const updateNode = (state: number, node: JsonNode): number => {
if (node instanceof ConNode) return updateId(state, node.id);
if (node instanceof ValNode) {
const child = node.child();
if (child) state = updateNode(state, child);
return updateId(state, node.id);
}
if (node instanceof ObjNode || node instanceof VecNode) {
node.children((child) => {
state = updateNode(state, child);
});
return updateId(state, node.id);
}
if (node instanceof ArrNode) {
node.children((child) => {
state = updateNode(state, child);
});
}
if (node instanceof AbstractRga) return updateRga(state, node);
throw new Error('UNKNOWN_NODE');
};
export const hashId = (id: ITimestampStruct): number => {
return updateId(CONST.START_STATE, id);
};
export const hashNode = (node: JsonNode): number => {
return updateNode(CONST.START_STATE, node) >>> 0;
};
export const hashModel = (model: Model): number => {
return hashNode(model.root);
};
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