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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 | 16x 16x 16x 16x 16x 16x 106x 106x 10x 64x 64x 63x 62x 22x 16x 16x 8x 8x 8x 8x | import type {CompactCopyOp, OPCODE_COPY} from '../codec/compact/types';
import {AbstractOp} from './AbstractOp';
import type {OperationCopy} from '../types';
import {type Path, find, formatJsonPointer} from '@jsonjoy.com/json-pointer';
import {OpAdd} from './OpAdd';
import {clone as deepClone} from '@jsonjoy.com/util/lib/json-clone/clone';
import {OPCODE} from '../constants';
import type {IMessagePackEncoder} from '@jsonjoy.com/json-pack/lib/msgpack';
/**
* @category JSON Patch
*/
export class OpCopy extends AbstractOp<'copy'> {
constructor(
path: Path,
public readonly from: Path,
) {
super(path);
}
public op() {
return 'copy' as const;
}
public code() {
return OPCODE.copy;
}
public apply(doc: unknown) {
const {val} = find(doc, this.from);
if (val === undefined) throw new Error('NOT_FOUND');
const add = new OpAdd(this.path, deepClone(val)).apply(doc);
return add;
}
public toJson(parent?: AbstractOp): OperationCopy {
return {
op: 'copy',
path: formatJsonPointer(this.path),
from: formatJsonPointer(this.from),
};
}
public toCompact(parent: undefined | AbstractOp, verbose: boolean): CompactCopyOp {
const opcode: OPCODE_COPY = verbose ? 'copy' : OPCODE.copy;
return [opcode, this.path, this.from];
}
public encode(encoder: IMessagePackEncoder, parent?: AbstractOp) {
encoder.encodeArrayHeader(3);
encoder.writer.u8(OPCODE.copy);
encoder.encodeArray(this.path as unknown[]);
encoder.encodeArray(this.from as unknown[]);
}
}
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