# ts2abc - [ts2abc ](#ts2abc-) - [Introduction](#introduction) - [Directory Structure](#directory-structure) - [Build](#Build) - [Usage Guidelines](#usage-guidelines) - [Repositories Involved](#repositories-involved) ## Introduction ts2abc is a front-end tool in the ARK Runtime Subsystem. It converts JavaScript(JS) files into ARK bytecode files. For more infomation, see: [ARK Runtime Subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/ARK-Runtime-Subsystem.md). ## Directory Structure ``` /ark/ts2abc/ ├── test262 # scripts for configuration and running Test262 ├── testTs # system test cases ├── ts2panda ├── scripts # dependency scripts ├── src # source code directory ├── templates # ruby templates ├── tests # unit test cases ├── tools # tools provided by ts2abc └── ts2abc # ts2abc source code ``` ## Build ts2abc uses the command line interaction mode and converts JS code into ARK bytecode files that can be run on an ARK runtime system. ts2abc supports Windows, Linux, and macOS. Front-end tools, converting JS source code into ARK bytecode, can be built by specifing the `--build-target` with `ark_ts2abc` on Linux. ``` $ ./build.sh --product-name Hi3516DV300 --build-target ark_ts2abc_build ``` ### Usage Guidelines Install `node` and `npm` convert JS to ARK bytecode ``` $ cd out//hi3516dv300/clang_x64/ark/ark/build $ npm install $ node --expose-gc src/index.js [options] file.js ``` If no parameter is specified for **\[options\]**, an ARK binary file is generated by default.

Option

Abbreviation

Description

Value Range

Default Value

--modules

-m

Compiles the code based on the module.

-

-

--debug-log

-l

Enables the log function.

-

-

--dump-assembly

-a

Outputs an assembly file.

-

-

--debug

-d

Provides debug information.

-

-

--show-statistics

-s

Displays statistics about bytecodes.

-

-

--output

-o

Specifies the path of the output file.

-

-

--timeout

-t

Specifies the timeout threshold.

-

-

--opt-log-level

-

Specifies the log level for compilation optimization.

['debug', 'info', 'error', 'fatal']

error

--opt-level

-

Specifies the level for compilation optimization.

-

1

--help

-h

Displays help information.

-

-

--bc-version

-v

Outputs the current bytecode version.

-

-

--bc-min-version

-

Outputs the lowest bytecode version supported.

-

-

--included-files

-i

The list of dependent files

-

-

--record-type

-p

Record type info

-

true

--dts-type-record

-q

Record type info for .d.ts files

-

false

--debug-type

-g

Print type-related log

-

false

--output-type

-

Set output type

-

false
For more infomation, please see: [ARK-Runtime-Usage-Guide](https://gitee.com/openharmony/ark_js_runtime/blob/master/docs/ARK-Runtime-Usage-Guide.md). ## Repositories Involved [ark\_runtime\_core](https://gitee.com/openharmony/ark_runtime_core) [ark\_js\_runtime](https://gitee.com/openharmony/ark_js_runtime) **[ark\_ts2abc](https://gitee.com/openharmony/ark_ts2abc)**