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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 63 64 65 66 67 68 69 70 71 72 73 74 | 2x 2x 2x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 5x 5x 5x 30x 3x 3x 2x 30x 13x 13x 8x 30x 6x 6x 3x 48x 4x 30x | import type {SyncStore} from '../../util/events/sync-store';
import type {JsonNodeApi} from '../model/api/types';
import {JsonPatch} from './JsonPatch';
import {toPath} from '@jsonjoy.com/json-pointer/lib/util';
import type {Path} from '@jsonjoy.com/json-pointer/lib/types';
import type {Model} from '../model';
import type {Operation, OperationAdd, OperationRemove, OperationReplace} from '../../json-patch';
import type {JsonNode, JsonNodeView} from '../nodes';
export class JsonPatchStore<N extends JsonNode = JsonNode<any>> implements SyncStore<Readonly<JsonNodeView<N>>> {
public readonly patcher: JsonPatch<N>;
public readonly pfx: string;
constructor(
public readonly model: Model<N>,
public readonly path: Path = [],
) {
this.pfx = path.length ? path.join() : '';
const api = model.api;
this.patcher = new JsonPatch(model, path);
this.subscribe = (listener) => api.onChange.listen(listener);
}
public readonly update = (change: Operation | Operation[]): void => {
const ops = Array.isArray(change) ? change : [change];
this.patcher.apply(ops);
};
public readonly add = (path: string | Path, value: unknown): Operation => {
const op: OperationAdd = {op: 'add', path, value};
this.update([op]);
return op;
};
public readonly replace = (path: string | Path, value: unknown): Operation => {
const op: OperationReplace = {op: 'replace', path, value};
this.update([op]);
return op;
};
public readonly remove = (path: string | Path): Operation => {
const op: OperationRemove = {op: 'remove', path};
this.update([op]);
return op;
};
public readonly del = (path: string | Path): Operation | undefined => {
try {
return this.remove(path);
} catch {
return;
}
};
public readonly get = (path: string | Path = ''): unknown => this.patcher.get(path);
public bind(path: string | Path): JsonPatchStore<N> {
return new JsonPatchStore(this.model, this.path.concat(toPath(path)));
}
public api(): JsonNodeApi<N> | undefined {
try {
return this.model.api.find(this.path) as unknown as JsonNodeApi<N>;
} catch {
return;
}
}
// ---------------------------------------------------------------- SyncStore
public readonly subscribe: SyncStore<any>['subscribe'];
public readonly getSnapshot = () => this.get() as Readonly<JsonNodeView<N>>;
}
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