()
| 103 | * @category constructors |
| 104 | */ |
| 105 | export const unpack = <IE = never, Done = unknown>(): Channel.Channel< |
| 106 | Chunk.Chunk<unknown>, |
| 107 | Chunk.Chunk<Uint8Array>, |
| 108 | IE | MsgPackError, |
| 109 | IE, |
| 110 | Done, |
| 111 | Done |
| 112 | > => |
| 113 | Channel.flatMap( |
| 114 | Channel.sync(() => new Unpackr()), |
| 115 | (packr) => { |
| 116 | let incomplete: Uint8Array | undefined = undefined |
| 117 | const unpack = (value: Chunk.Chunk<Uint8Array>) => |
| 118 | Effect.try({ |
| 119 | try: () => |
| 120 | Chunk.flatMap(value, (buf) => { |
| 121 | if (incomplete !== undefined) { |
| 122 | const chunk = new Uint8Array(incomplete.length + buf.length) |
| 123 | chunk.set(incomplete) |
| 124 | chunk.set(buf, incomplete.length) |
| 125 | buf = chunk |
| 126 | incomplete = undefined |
| 127 | } |
| 128 | try { |
| 129 | return Chunk.unsafeFromArray(packr.unpackMultiple(buf).flat()) |
| 130 | } catch (error_) { |
| 131 | const error: any = error_ |
| 132 | if (error.incomplete) { |
| 133 | incomplete = buf.subarray(error.lastPosition) |
| 134 | return Chunk.unsafeFromArray(error.values ?? []) |
| 135 | } |
| 136 | throw error |
| 137 | } |
| 138 | }), |
| 139 | catch: (cause) => new MsgPackError({ reason: "Unpack", cause }) |
| 140 | }) |
| 141 | |
| 142 | const loop: Channel.Channel<Chunk.Chunk<unknown>, Chunk.Chunk<Uint8Array>, IE | MsgPackError, IE, Done, Done> = |
| 143 | Channel.readWithCause({ |
| 144 | onInput: (input: Chunk.Chunk<Uint8Array>) => |
| 145 | Channel.zipRight( |
| 146 | Channel.flatMap(unpack(input), Channel.write), |
| 147 | loop |
| 148 | ), |
| 149 | onFailure: (cause) => Channel.failCause(cause), |
| 150 | onDone: Channel.succeed |
| 151 | }) |
| 152 | |
| 153 | return loop |
| 154 | } |
| 155 | ) |
| 156 | |
| 157 | /** |
| 158 | * @since 1.0.0 |
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