import { AbstractOp } from './AbstractOp';
import { find, formatJsonPointer } from '@jsonjoy.com/json-pointer';
import { OPCODE } from '../constants';
import { clone as deepClone } from '@jsonjoy.com/util/lib/json-clone/clone';
/**
 * @category JSON Patch
 */
export class OpAdd extends AbstractOp {
    value;
    constructor(path, value) {
        super(path);
        this.value = value;
    }
    op() {
        return 'add';
    }
    code() {
        return OPCODE.add;
    }
    apply(doc) {
        const { val, key, obj } = find(doc, this.path);
        const value = deepClone(this.value);
        if (!obj)
            doc = value;
        else if (typeof key === 'string')
            obj[key] = value;
        else {
            const length = obj.length;
            if (key < length)
                obj.splice(key, 0, value);
            else if (key > length)
                throw new Error('INVALID_INDEX');
            else
                obj.push(value);
        }
        return { doc, old: val };
    }
    toJson(parent) {
        return {
            op: 'add',
            path: formatJsonPointer(this.path),
            value: this.value,
        };
    }
    toCompact(parent, verbose) {
        const opcode = verbose ? 'add' : OPCODE.add;
        return [opcode, this.path, this.value];
    }
}
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