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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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | 15x 15x 15x 15x 46792x 15x 7874x 7874x 7874x 7874x 7874x 7874x 33556x 2712x 2712x 3x 2709x 30844x 4034x 26810x 2x 26808x 2449x 24359x 3247x 21112x 751x 20361x 704x 19657x 4662x 11623x 14995x 1x 1x 14994x 1512x 13482x 5728x 7754x 2174x 5580x 1809x 3771x 10x 3761x 3188x 11678x 3188x 573x 573x 573x 573x 573x 7874x | import * as operations from '../../operations';
import type {Patch} from '../../Patch';
import {SESSION} from '../../constants';
import {toBase64} from '@jsonjoy.com/base64/lib/toBase64';
import {type ITimestampStruct, Timestamp} from '../../clock';
import type * as types from './types';
const encodeTimestamp = (ts: ITimestampStruct): types.JsonCodecTimestamp =>
ts.sid === SESSION.SERVER ? ts.time : [ts.sid, ts.time];
/**
* Encodes a patch into a JSON CRDT Patch "verbose" format.
*
* @param patch The {@link Patch} to encode.
* @returns A JavaScript POJO object in JSON CRDT Patch "verbose" format.
*/
export const encode = (patch: Patch): types.JsonCodecPatch => {
const id = patch.getId();
Iif (!id) throw new Error('PATCH_EMPTY');
const ops: types.JsonCodecPatch['ops'] = [];
const res: types.JsonCodecPatch = {
id: [id.sid, id.time],
ops,
};
if (patch.meta !== undefined) res.meta = patch.meta;
for (const op of patch.ops) {
if (op instanceof operations.NewConOp) {
const val = op.val;
if (val instanceof Timestamp) {
ops.push({op: 'new_con', timestamp: true, value: encodeTimestamp(val)});
} else {
ops.push({op: 'new_con', value: val});
}
} else if (op instanceof operations.NewObjOp) {
ops.push({op: 'new_obj'});
} else if (op instanceof operations.NewVecOp) {
ops.push({op: 'new_vec'});
} else if (op instanceof operations.NewArrOp) {
ops.push({op: 'new_arr'});
} else if (op instanceof operations.NewStrOp) {
ops.push({op: 'new_str'});
} else if (op instanceof operations.NewBinOp) {
ops.push({op: 'new_bin'});
} else if (op instanceof operations.NewValOp) {
ops.push({op: 'new_val'});
} else if (op instanceof operations.InsObjOp) {
ops.push({
op: 'ins_obj',
obj: encodeTimestamp(op.obj),
value: op.data.map(([key, value]) => [key, encodeTimestamp(value)]),
});
} else if (op instanceof operations.InsVecOp) {
ops.push({
op: 'ins_vec',
obj: encodeTimestamp(op.obj),
value: op.data.map(([key, value]) => [key, encodeTimestamp(value)]),
});
} else if (op instanceof operations.InsValOp) {
ops.push({
op: 'ins_val',
obj: encodeTimestamp(op.obj),
value: encodeTimestamp(op.val),
});
} else if (op instanceof operations.InsStrOp) {
ops.push({
op: 'ins_str',
obj: encodeTimestamp(op.obj),
after: encodeTimestamp(op.ref),
value: op.data,
});
} else if (op instanceof operations.InsBinOp) {
ops.push({
op: 'ins_bin',
obj: encodeTimestamp(op.obj),
after: encodeTimestamp(op.ref),
value: toBase64(op.data),
});
} else if (op instanceof operations.InsArrOp) {
ops.push({
op: 'ins_arr',
obj: encodeTimestamp(op.obj),
after: encodeTimestamp(op.ref),
values: op.data.map(encodeTimestamp),
});
} else if (op instanceof operations.UpdArrOp) {
ops.push({
op: 'upd_arr',
obj: encodeTimestamp(op.obj),
ref: encodeTimestamp(op.ref),
value: encodeTimestamp(op.val),
});
} else if (op instanceof operations.DelOp) {
const encoded: types.JsonCodecDelOperation = {
op: 'del',
obj: encodeTimestamp(op.obj),
what: op.what.map((span) => [span.sid, span.time, span.span] as types.JsonCodecTimespan),
};
ops.push(encoded);
} else if (op instanceof operations.NopOp) {
const encoded: types.JsonCodecNopOperation = {
op: 'nop',
};
const length = op.len;
if (length > 1) encoded.len = length;
ops.push(encoded);
}
}
return res;
};
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