kqito / tiny-typescript-transpiler

A simple learning library for transpilers like swc, excluding binder and checker.

Tiny-Typescript-Transpiler

Tiny-Typescript-Transpiler is a simple learning library for transpilers like swc, excluding binder and checker.

Important

This library is only for learning the overview of transpiler.

Concept

This library is designed as a simplified learning tool for understanding how transpilers like swc work. It does not include the complexity of binders and checkers.

Supported features

Primitives

• string
• number
• boolean
• undefined
• null
• symbol
• bigint

Literal

• Boolean literals
• Numeric literals
• RegExp literals
• String literals
• Object literals
• Array literals
• Floating-point literals

Syntax (partial supports)

• CallExpression: Support for fn()
• FunctionDeclaration: Support for function alertMessage (message: string) { alert(message); }
• TypeAliasDeclaration: Support for type str = string;
• VariableDeclaration: Support for const hi: str = "hello";
• BinaryExpression: Support for binary operations like 1 + 1 or foo - bar.
• UnaryExpression: Support for unary operations like !true or -1.
• IfStatement: Support for if, else if, and else statements.
• SwitchStatement: Support for switch statements.
• ForStatement: Support for for loop.
• WhileStatement: Support for while loop.
• DoWhileStatement: Support for do while loop.
• ArrayLiteralExpression: Support for array literals like [1, 2, 3].
• ObjectLiteralExpression: Support for object literals like { foo: 'bar' }.
• ClassDeclaration: Support for class definitions.
• InterfaceDeclaration: Support for interface definitions.
• EnumDeclaration: Support for enum definitions.
• ModuleDeclaration: Support for module definitions.
• ImportDeclaration: Support for import statements.
• ExportDeclaration: Support for export statements.
• ArrowFunction: Support for arrow functions.
• TemplateLiteral: Support for template literals.
• OptionalChaining: Support for optional chaining.
• NullishCoalescing: Support for nullish coalescing.

Misc

• Comment
• Transpiler Options

Usage

To use the Tiny-Typescript-Transpiler, use the following command:

ttt [OPTIONS] <FILE_PATH>

Arguments

• <FILE_PATH>: The path to the file you want to transpile.

Options

• -d, --debug: Enable debug mode.
• -h, --help: Print help information.

License

MIT © kqito