50 lines
1.0 KiB
JavaScript
50 lines
1.0 KiB
JavaScript
import schemapack from 'schemapack';
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export class Packet {
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constructor(data = {}) {
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this.data = data;
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}
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static get builder() {
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if (!this._builder) {
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const schema = this.schema;
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if (!schema._id) {
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throw new Error([
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`No packet id found in '${this.name}.schema'. This is usually due to forgetting to`,
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'inherit from Packet.schema within your packet subclass schema definition.',
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].join(' '));
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}
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this._builder = schemapack.build(schema);
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}
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return this._builder;
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}
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static pack(packet) {
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return this.builder.encode({
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_id: packet.data[0],
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data: packet.data[1],
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});
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}
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static packPacket(packet) {
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const {idFrom} = require('./registrar');
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const id = idFrom(packet.constructor);
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return packet.constructor.pack({
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data: [id, packet.data],
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});
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}
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static get schema() {
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return {
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_id: 'uint8',
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};
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}
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static unpack(packet) {
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const {data} = this.builder.decode(packet);
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return data;
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}
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}
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