@deepkit/bson/dist/cjs/src/bson-deserializer.js

Deepkit BSON parser

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deserializeBSON = exports.getBSONDeserializer = void 0;
const type_1 = require("@deepkit/type");
const core_1 = require("@deepkit/core");
const continuation_1 = require("./continuation");
const bson_serializer_1 = require("./bson-serializer");
const bson_parser_1 = require("./bson-parser");
function createBSONDeserializer(type, serializer, namingStrategy = new type_1.NamingStrategy(), path = '', jitStack = new type_1.JitStack()) {
    const compiler = new core_1.CompilerContext();
    compiler.context.set('seekElementSize', continuation_1.seekElementSize);
    const state = new type_1.TemplateState('result', '', compiler, serializer.bsonDeserializeRegistry, namingStrategy, jitStack, [path]);
    state.target = 'deserialize';
    const code = `
        let result;
        state = state || {};
        state.parser = data;
        ${(0, type_1.executeTemplates)(state, type)}
        return result;
    `;
    return compiler.build(code, 'data', 'state');
}
function getBSONDeserializer(serializer = bson_serializer_1.bsonBinarySerializer, receiveType) {
    const type = (0, type_1.resolveReceiveType)(receiveType);
    const jit = (0, type_1.getTypeJitContainer)(type);
    if (jit[serializer.deserializeId])
        return jit[serializer.deserializeId];
    const deserializer = createBSONDeserializer(type, bson_serializer_1.bsonBinarySerializer);
    jit[serializer.deserializeId] = function (bson, offset = 0) {
        const parser = new bson_parser_1.ParserV2(bson, offset);
        return deserializer(parser);
    };
    (0, core_1.toFastProperties)(jit);
    return jit[serializer.deserializeId];
}
exports.getBSONDeserializer = getBSONDeserializer;
function deserializeBSON(data, offset, serializer = bson_serializer_1.bsonBinarySerializer, receiveType) {
    return getBSONDeserializer(serializer, receiveType)(data, offset);
}
exports.deserializeBSON = deserializeBSON;
//# sourceMappingURL=bson-deserializer.js.map