json-joy/esm/json-hash/structHashSchema.js

Collection of libraries for building collaborative editing apps.

import { sort } from '@jsonjoy.com/util/lib/sort/insertion';
import { nodes } from '../json-crdt-patch/schema';
import { hash } from './hash';
import { structHash } from './structHash';
export const structHashSchema = (node) => {
    if (node instanceof nodes.con || node instanceof nodes.str || node instanceof nodes.bin)
        return structHash(node.raw);
    else if (node instanceof nodes.val)
        return structHashSchema(node.value);
    else if (node instanceof nodes.obj) {
        let res = '{';
        const fields = { ...node.obj, ...node.opt };
        const keys = Object.keys(fields);
        sort(keys);
        const length = keys.length;
        for (let i = 0; i < length; i++) {
            const key = keys[i];
            const value = fields[key];
            res += hash(key).toString(36) + ':' + structHashSchema(value) + ',';
        }
        return res + '}';
    }
    else if (node instanceof nodes.arr || node instanceof nodes.vec) {
        let res = '[';
        const children = node instanceof nodes.arr ? node.arr : node.value;
        for (const child of children)
            res += structHashSchema(child) + ';';
        return res + ']';
    }
    return structHash(node);
};
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