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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | 14x 14x 14x 14x 81565x 81565x 14x 13371x 13371x 10047x 10047x 3324x 14x 8681x 8681x 8681x 8681x 8681x 8681x 8681x 8681x 8681x 48788x 3629x 3629x 3x 3626x 305x 3321x 45159x 1338x 43821x 5954x 37867x 4x 37863x 4945x 32918x 1392x 31526x 3857x 27669x 2845x 24824x 6478x 17454x 6478x 6478x 18346x 2x 2x 2x 2x 18344x 7383x 7383x 10961x 2803x 2803x 8158x 2836x 8317x 2836x 2836x 5322x 8x 8x 5314x 4180x 13371x 4180x 1134x 1134x 1134x 1134x 1134x 8681x | import * as operations from '../../operations'; import {type ITimespanStruct, type ITimestampStruct, Timestamp} from '../../clock'; import {JsonCrdtPatchOpcode, SESSION} from '../../constants'; import {toBase64} from '@jsonjoy.com/base64/lib/toBase64'; import type {Patch} from '../../Patch'; import type * as types from './types'; const timestamp = (sid: number, ts: ITimestampStruct): types.CompactCodecTimestamp => { const tsSessionId = ts.sid; return tsSessionId === sid ? ts.time : [tsSessionId, ts.time]; }; const timespan = (sid: number, span: ITimespanStruct): types.CompactCodecTimespan => { const ts = timestamp(sid, span); if (Array.isArray(ts)) { ts.push(span.span); return ts; } return [ts, span.span]; }; /** * Encodes a patch into a compact binary format into a JavaScript array. * * @param patch The patch to encode. * @returns The encoded patch as a JavaScript POJO. */ export const encode = (patch: Patch): types.CompactCodecPatch => { const id = patch.getId(); Iif (!id) throw new Error('PATCH_EMPTY'); const sid = id.sid; const time = id.time; const header: types.CompactCodecPatch[0] = sid === SESSION.SERVER ? [time] : [[sid, time]]; const meta = patch.meta; if (meta !== undefined) header.push(meta); const res: types.CompactCodecPatch = [header]; for (const op of patch.ops) { if (op instanceof operations.NewConOp) { const val = op.val; if (val instanceof Timestamp) { res.push([JsonCrdtPatchOpcode.new_con, timestamp(sid, val), true]); } else if (val === undefined) { res.push([JsonCrdtPatchOpcode.new_con]); } else { res.push([JsonCrdtPatchOpcode.new_con, val]); } } else if (op instanceof operations.NewValOp) { res.push([JsonCrdtPatchOpcode.new_val]); } else if (op instanceof operations.NewObjOp) { res.push([JsonCrdtPatchOpcode.new_obj]); } else if (op instanceof operations.NewVecOp) { res.push([JsonCrdtPatchOpcode.new_vec]); } else if (op instanceof operations.NewStrOp) { res.push([JsonCrdtPatchOpcode.new_str]); } else if (op instanceof operations.NewBinOp) { res.push([JsonCrdtPatchOpcode.new_bin]); } else if (op instanceof operations.NewArrOp) { res.push([JsonCrdtPatchOpcode.new_arr]); } else if (op instanceof operations.InsValOp) { res.push([JsonCrdtPatchOpcode.ins_val, timestamp(sid, op.obj), timestamp(sid, op.val)]); } else if (op instanceof operations.InsObjOp) { const tuples: types.CompactCodecInsObjOperation[2] = []; for (const [key, value] of op.data) tuples.push([key, timestamp(sid, value)]); const operation: types.CompactCodecInsObjOperation = [ JsonCrdtPatchOpcode.ins_obj, timestamp(sid, op.obj), tuples, ]; res.push(operation); } else if (op instanceof operations.InsVecOp) { const tuples: types.CompactCodecInsVecOperation[2] = []; for (const [key, value] of op.data) tuples.push([key, timestamp(sid, value)]); const operation: types.CompactCodecInsVecOperation = [ JsonCrdtPatchOpcode.ins_vec, timestamp(sid, op.obj), tuples, ]; res.push(operation); } else if (op instanceof operations.InsStrOp) { const operation: types.CompactCodecInsStrOperation = [ JsonCrdtPatchOpcode.ins_str, timestamp(sid, op.obj), timestamp(sid, op.ref), op.data, ]; res.push(operation); } else if (op instanceof operations.InsBinOp) { const operation: types.CompactCodecInsBinOperation = [ JsonCrdtPatchOpcode.ins_bin, timestamp(sid, op.obj), timestamp(sid, op.ref), toBase64(op.data), ]; res.push(operation); } else if (op instanceof operations.InsArrOp) { const elements: types.CompactCodecInsArrOperation[3] = []; for (const element of op.data) elements.push(timestamp(sid, element)); const operation: types.CompactCodecInsArrOperation = [ JsonCrdtPatchOpcode.ins_arr, timestamp(sid, op.obj), timestamp(sid, op.ref), elements, ]; res.push(operation); } else if (op instanceof operations.UpdArrOp) { const operation: types.CompactCodecUpdArrOperation = [ JsonCrdtPatchOpcode.upd_arr, timestamp(sid, op.obj), timestamp(sid, op.ref), timestamp(sid, op.val), ]; res.push(operation); } else if (op instanceof operations.DelOp) { const operation: types.CompactCodecDelOperation = [ JsonCrdtPatchOpcode.del, timestamp(sid, op.obj), op.what.map((span) => timespan(sid, span)), ]; res.push(operation); } else if (op instanceof operations.NopOp) { const operation: types.CompactCodecNopOperation = [JsonCrdtPatchOpcode.nop]; const len = op.len; if (len > 1) operation.push(len); res.push(operation); } } return res; }; |