@geckos.io/typed-array-buffer-schema/lib/dev.js

A Schema based Object to Buffer converter

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const index_1 = require("./index");
const views_1 = require("./views");
const playerSchema = index_1.BufferSchema.schema('player', {
    id: index_1.uint8,
    name: { type: views_1.string8, length: 6 },
    x: { type: index_1.int16, digits: 2 },
    y: { type: index_1.int16, digits: 2 }
});
const towerSchema = index_1.BufferSchema.schema('tower', {
    id: index_1.uint8,
    health: index_1.uint8,
    team: index_1.uint8
});
const mainSchema = index_1.BufferSchema.schema('snapshot', {
    time: views_1.int64,
    tick: index_1.uint16,
    players: [playerSchema],
    towers: [towerSchema]
});
const gameState = {
    time: new Date().getTime(),
    tick: 32580,
    players: [
        { id: 0, name: 'Mistin', x: -14.43, y: 47.78 },
        { id: 1, name: 'Coobim', x: 21.85, y: -78.48 }
    ],
    towers: [
        { id: 0, health: 100, team: 0 },
        { id: 1, health: 89, team: 0 },
        { id: 2, health: 45, team: 1 }
    ]
};
const mainModel = new index_1.Model(mainSchema);
const buffer = mainModel.toBuffer(gameState);
const data = mainModel.fromBuffer(buffer);
// toBuffer() shrunk the byte size from 241 to only 56
// that is -77% compression!
console.log(JSON.stringify(gameState).length); // 241
console.log(buffer.byteLength); // 56
console.log(JSON.stringify(data).length); // 241
//------------------------------------------------------------------
// Get the Schema IDs
//------------------------------------------------------------------
const bufferId = index_1.BufferSchema.getIdFromBuffer(buffer);
const schemaId = index_1.BufferSchema.getIdFromSchema(mainSchema);
const modelId = index_1.BufferSchema.getIdFromModel(mainModel);
console.log(`bufferId: ${bufferId}`);
console.log(`schemaId: ${schemaId}`);
console.log(`modelId: ${modelId}`);
if (bufferId === schemaId && schemaId === modelId)
    console.log(`Schema name is "${mainSchema.name}"`);
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