@astronautlabs/amf/dist/float.js

Action Message Format (AMF0/3)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FloatSerializer = void 0;
const bitstream_1 = require("@astronautlabs/bitstream");
class FloatSerializer {
    *read(reader, type, parent, field) {
        let length;
        try {
            length = (0, bitstream_1.resolveLength)(field.length, parent, field);
        }
        catch (e) {
            throw new Error(`Failed to resolve length of number via 'length' determinant: ${e.message}`);
        }
        if (!reader.isAvailable(length))
            yield { remaining: length };
        if (length === 8) {
            return Buffer.from([reader.readSync(8)]).readFloatBE();
        }
        else if (length === 16) {
            return Buffer.from([reader.readSync(8), reader.readSync(8)]).readDoubleBE();
        }
        else {
            throw new Error(`FloatSerializer supports only 1-byte (8 bit) or 2-byte (16 bit) values`);
        }
    }
    write(writer, type, parent, field, value) {
        let length;
        try {
            length = (0, bitstream_1.resolveLength)(field.length, parent, field);
        }
        catch (e) {
            throw new Error(`Failed to resolve length of number via 'length' determinant: ${e.message}`);
        }
        if (length === 8) {
            let buf = Buffer.alloc(1);
            buf.writeFloatBE(value);
            writer.write(8, buf[0]);
        }
        else if (length === 16) {
            let buf = Buffer.alloc(2);
            buf.writeDoubleBE(value);
            writer.write(8, buf[0]);
            writer.write(8, buf[1]);
        }
        else {
            throw new Error(`FloatSerializer supports only 1-byte (8 bit) or 2-byte (16 bit) values`);
        }
    }
}
exports.FloatSerializer = FloatSerializer;
//# sourceMappingURL=float.js.map