swc/packages/types/index.ts
Andrew Leung 79438e6dc2
fix(binding/types): Add type for decoratorVersion (#8468)
**Description:**

Add type hint `"2021-12" | "2023-03` for `jsc.transform.decoratorVersion`.

**Related issue:**

 - Closes #8467
2024-01-02 02:37:00 +00:00

2796 lines
61 KiB
TypeScript

export interface Plugin {
(module: Program): Program;
}
// TODO:
export type ParseOptions = ParserConfig & {
comments?: boolean;
script?: boolean;
/**
* Defaults to es3.
*/
target?: JscTarget;
};
export type TerserEcmaVersion = 5 | 2015 | 2016 | string | number;
export interface JsMinifyOptions {
compress?: TerserCompressOptions | boolean;
format?: JsFormatOptions & ToSnakeCaseProperties<JsFormatOptions>;
mangle?: TerserMangleOptions | boolean;
ecma?: TerserEcmaVersion;
keep_classnames?: boolean;
keep_fnames?: boolean;
module?: boolean;
safari10?: boolean;
toplevel?: boolean;
sourceMap?: boolean;
outputPath?: string;
inlineSourcesContent?: boolean;
}
/**
* @example ToSnakeCase<'indentLevel'> == 'indent_level'
*/
type ToSnakeCase<T extends string> = T extends `${infer A}${infer B}`
? `${A extends Lowercase<A> ? A : `_${Lowercase<A>}`}${ToSnakeCase<B>}`
: T;
/**
* @example ToSnakeCaseProperties<{indentLevel: 3}> == {indent_level: 3}
*/
type ToSnakeCaseProperties<T> = {
[K in keyof T as K extends string ? ToSnakeCase<K> : K]: T[K];
};
/**
* These properties are mostly not implemented yet,
* but it exists to support passing terser config to swc minify
* without modification.
*/
export interface JsFormatOptions {
/**
* Currently noop.
* @default false
* @alias ascii_only
*/
asciiOnly?: boolean;
/**
* Currently noop.
* @default false
*/
beautify?: boolean;
/**
* Currently noop.
* @default false
*/
braces?: boolean;
/**
* - `false`: removes all comments
* - `'some'`: preserves some comments
* - `'all'`: preserves all comments
* @default false
*/
comments?: false | "some" | "all";
/**
* Currently noop.
* @default 5
*/
ecma?: TerserEcmaVersion;
/**
* Currently noop.
* @alias indent_level
*/
indentLevel?: number;
/**
* Currently noop.
* @alias indent_start
*/
indentStart?: number;
/**
* Currently noop.
* @alias inline_script
*/
inlineScript?: number;
/**
* Currently noop.
* @alias keep_numbers
*/
keepNumbers?: number;
/**
* Currently noop.
* @alias keep_quoted_props
*/
keepQuotedProps?: boolean;
/**
* Currently noop.
* @alias max_line_len
*/
maxLineLen?: number | false;
/**
* Currently noop.
*/
preamble?: string;
/**
* Currently noop.
* @alias quote_keys
*/
quoteKeys?: boolean;
/**
* Currently noop.
* @alias quote_style
*/
quoteStyle?: boolean;
/**
* Currently noop.
* @alias preserve_annotations
*/
preserveAnnotations?: boolean;
/**
* Currently noop.
*/
safari10?: boolean;
/**
* Currently noop.
*/
semicolons?: boolean;
/**
* Currently noop.
*/
shebang?: boolean;
/**
* Currently noop.
*/
webkit?: boolean;
/**
* Currently noop.
* @alias wrap_iife
*/
wrapIife?: boolean;
/**
* Currently noop.
* @alias wrap_func_args
*/
wrapFuncArgs?: boolean;
}
export interface TerserCompressOptions {
arguments?: boolean;
arrows?: boolean;
booleans?: boolean;
booleans_as_integers?: boolean;
collapse_vars?: boolean;
comparisons?: boolean;
computed_props?: boolean;
conditionals?: boolean;
dead_code?: boolean;
defaults?: boolean;
directives?: boolean;
drop_console?: boolean;
drop_debugger?: boolean;
ecma?: TerserEcmaVersion;
evaluate?: boolean;
expression?: boolean;
global_defs?: any;
hoist_funs?: boolean;
hoist_props?: boolean;
hoist_vars?: boolean;
ie8?: boolean;
if_return?: boolean;
inline?: 0 | 1 | 2 | 3;
join_vars?: boolean;
keep_classnames?: boolean;
keep_fargs?: boolean;
keep_fnames?: boolean;
keep_infinity?: boolean;
loops?: boolean;
// module : false,
negate_iife?: boolean;
passes?: number;
properties?: boolean;
pure_getters?: any;
pure_funcs?: string[];
reduce_funcs?: boolean;
reduce_vars?: boolean;
sequences?: any;
side_effects?: boolean;
switches?: boolean;
top_retain?: any;
toplevel?: any;
typeofs?: boolean;
unsafe?: boolean;
unsafe_passes?: boolean;
unsafe_arrows?: boolean;
unsafe_comps?: boolean;
unsafe_function?: boolean;
unsafe_math?: boolean;
unsafe_symbols?: boolean;
unsafe_methods?: boolean;
unsafe_proto?: boolean;
unsafe_regexp?: boolean;
unsafe_undefined?: boolean;
unused?: boolean;
const_to_let?: boolean;
module?: boolean;
}
export interface TerserMangleOptions {
props?: TerserManglePropertiesOptions;
toplevel?: boolean;
keep_classnames?: boolean;
keep_fnames?: boolean;
keep_private_props?: boolean;
ie8?: boolean;
safari10?: boolean;
reserved?: string[];
}
export interface TerserManglePropertiesOptions {}
/**
* Programmatic options.
*/
export interface Options extends Config {
/**
* If true, a file is parsed as a script instead of module.
*/
script?: boolean;
/**
* The working directory that all paths in the programmatic
* options will be resolved relative to.
*
* Defaults to `process.cwd()`.
*/
cwd?: string;
caller?: CallerOptions;
/** The filename associated with the code currently being compiled,
* if there is one. The filename is optional, but not all of Swc's
* functionality is available when the filename is unknown, because a
* subset of options rely on the filename for their functionality.
*
* The three primary cases users could run into are:
*
* - The filename is exposed to plugins. Some plugins may require the
* presence of the filename.
* - Options like "test", "exclude", and "ignore" require the filename
* for string/RegExp matching.
* - .swcrc files are loaded relative to the file being compiled.
* If this option is omitted, Swc will behave as if swcrc: false has been set.
*/
filename?: string;
/**
* The initial path that will be processed based on the "rootMode" to
* determine the conceptual root folder for the current Swc project.
* This is used in two primary cases:
*
* - The base directory when checking for the default "configFile" value
* - The default value for "swcrcRoots".
*
* Defaults to `opts.cwd`
*/
root?: string;
/**
* This option, combined with the "root" value, defines how Swc chooses
* its project root. The different modes define different ways that Swc
* can process the "root" value to get the final project root.
*
* "root" - Passes the "root" value through as unchanged.
* "upward" - Walks upward from the "root" directory, looking for a directory
* containing a swc.config.js file, and throws an error if a swc.config.js
* is not found.
* "upward-optional" - Walk upward from the "root" directory, looking for
* a directory containing a swc.config.js file, and falls back to "root"
* if a swc.config.js is not found.
*
*
* "root" is the default mode because it avoids the risk that Swc
* will accidentally load a swc.config.js that is entirely outside
* of the current project folder. If you use "upward-optional",
* be aware that it will walk up the directory structure all the
* way to the filesystem root, and it is always possible that someone
* will have a forgotten swc.config.js in their home directory,
* which could cause unexpected errors in your builds.
*
*
* Users with monorepo project structures that run builds/tests on a
* per-package basis may well want to use "upward" since monorepos
* often have a swc.config.js in the project root. Running Swc
* in a monorepo subdirectory without "upward", will cause Swc
* to skip loading any swc.config.js files in the project root,
* which can lead to unexpected errors and compilation failure.
*/
rootMode?: "root" | "upward" | "upward-optional";
/**
* The current active environment used during configuration loading.
* This value is used as the key when resolving "env" configs,
* and is also available inside configuration functions, plugins,
* and presets, via the api.env() function.
*
* Defaults to `process.env.SWC_ENV || process.env.NODE_ENV || "development"`
*/
envName?: string;
/**
* Defaults to searching for a default `.swcrc` file, but can
* be passed the path of any JS or JSON5 config file.
*
*
* NOTE: This option does not affect loading of .swcrc files,
* so while it may be tempting to do configFile: "./foo/.swcrc",
* it is not recommended. If the given .swcrc is loaded via the
* standard file-relative logic, you'll end up loading the same
* config file twice, merging it with itself. If you are linking
* a specific config file, it is recommended to stick with a
* naming scheme that is independent of the "swcrc" name.
*
* Defaults to `path.resolve(opts.root, ".swcrc")`
*/
configFile?: string | boolean;
/**
* true will enable searching for configuration files relative to the "filename" provided to Swc.
*
* A swcrc value passed in the programmatic options will override one set within a configuration file.
*
* Note: .swcrc files are only loaded if the current "filename" is inside of
* a package that matches one of the "swcrcRoots" packages.
*
*
* Defaults to true as long as the filename option has been specified
*/
swcrc?: boolean;
/**
* By default, Babel will only search for .babelrc files within the "root" package
* because otherwise Babel cannot know if a given .babelrc is meant to be loaded,
* or if it's "plugins" and "presets" have even been installed, since the file
* being compiled could be inside node_modules, or have been symlinked into the project.
*
*
* This option allows users to provide a list of other packages that should be
* considered "root" packages when considering whether to load .babelrc files.
*
*
* For example, a monorepo setup that wishes to allow individual packages
* to have their own configs might want to do
*
*
*
* Defaults to `opts.root`
*/
swcrcRoots?: boolean | MatchPattern | MatchPattern[];
/**
* `true` will attempt to load an input sourcemap from the file itself, if it
* contains a //# sourceMappingURL=... comment. If no map is found, or the
* map fails to load and parse, it will be silently discarded.
*
* If an object is provided, it will be treated as the source map object itself.
*
* Defaults to `true`.
*/
inputSourceMap?: boolean | string;
/**
* The name to use for the file inside the source map object.
*
* Defaults to `path.basename(opts.filenameRelative)` when available, or `"unknown"`.
*/
sourceFileName?: string;
/**
* The sourceRoot fields to set in the generated source map, if one is desired.
*/
sourceRoot?: string;
plugin?: Plugin;
isModule?: boolean | "unknown";
/**
* Destination path. Note that this value is used only to fix source path
* of source map files and swc does not write output to this path.
*/
outputPath?: string;
}
export interface CallerOptions {
name: string;
[key: string]: any;
}
export type Swcrc = Config | Config[];
/**
* .swcrc
*/
export interface Config {
/**
* Note: The type is string because it follows rust's regex syntax.
*/
test?: string | string[];
/**
* Note: The type is string because it follows rust's regex syntax.
*/
exclude?: string | string[];
env?: EnvConfig;
jsc?: JscConfig;
module?: ModuleConfig;
minify?: boolean;
/**
* - true to generate a sourcemap for the code and include it in the result object.
* - "inline" to generate a sourcemap and append it as a data URL to the end of the code, but not include it in the result object.
*
* `swc-cli` overloads some of these to also affect how maps are written to disk:
*
* - true will write the map to a .map file on disk
* - "inline" will write the file directly, so it will have a data: containing the map
* - Note: These options are bit weird, so it may make the most sense to just use true
* and handle the rest in your own code, depending on your use case.
*/
sourceMaps?: boolean | "inline";
inlineSourcesContent?: boolean;
}
/**
* Configuration ported from babel-preset-env
*/
export interface EnvConfig {
mode?: "usage" | "entry";
debug?: boolean;
dynamicImport?: boolean;
loose?: boolean;
/// Skipped es features.
///
/// e.g.)
/// - `core-js/modules/foo`
skip?: string[];
include?: string[];
exclude?: string[];
/**
* The version of the used core js.
*
*/
coreJs?: string;
targets?: any;
path?: string;
shippedProposals?: boolean;
/**
* Enable all transforms
*/
forceAllTransforms?: boolean;
}
export interface JscConfig {
loose?: boolean;
/**
* Defaults to EsParserConfig
*/
parser?: ParserConfig;
transform?: TransformConfig;
/**
* Use `@swc/helpers` instead of inline helpers.
*/
externalHelpers?: boolean;
/**
* Defaults to `es3` (which enabled **all** pass).
*/
target?: JscTarget;
/**
* Keep class names.
*/
keepClassNames?: boolean;
/**
* This is experimental, and can be removed without a major version bump.
*/
experimental?: {
optimizeHygiene?: boolean;
/**
* Preserve `with` in imports and exports.
*/
keepImportAttributes?: boolean;
/**
* Use `assert` instead of `with` for imports and exports.
* This option only works when `keepImportAttributes` is `true`.
*/
emitAssertForImportAttributes?: boolean;
/**
* Specify the location where SWC stores its intermediate cache files.
* Currently only transform plugin uses this. If not specified, SWC will
* create `.swc` directories.
*/
cacheRoot?: string;
/**
* List of custom transform plugins written in WebAssembly.
* First parameter of tuple indicates the name of the plugin - it can be either
* a name of the npm package can be resolved, or absolute path to .wasm binary.
*
* Second parameter of tuple is JSON based configuration for the plugin.
*/
plugins?: Array<[string, Record<string, any>]>;
/**
* Disable builtin transforms. If enabled, only Wasm plugins are used.
*/
disableBuiltinTransformsForInternalTesting?: boolean;
};
baseUrl?: string;
paths?: {
[from: string]: string[];
};
minify?: JsMinifyOptions;
preserveAllComments?: boolean;
}
export type JscTarget =
| "es3"
| "es5"
| "es2015"
| "es2016"
| "es2017"
| "es2018"
| "es2019"
| "es2020"
| "es2021"
| "es2022"
| "esnext";
export type ParserConfig = TsParserConfig | EsParserConfig;
export interface TsParserConfig {
syntax: "typescript";
/**
* Defaults to `false`.
*/
tsx?: boolean;
/**
* Defaults to `false`.
*/
decorators?: boolean;
/**
* Defaults to `false`
*/
dynamicImport?: boolean;
}
export interface EsParserConfig {
syntax: "ecmascript";
/**
* Defaults to false.
*/
jsx?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
numericSeparator?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
classPrivateProperty?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
privateMethod?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
classProperty?: boolean;
/**
* Defaults to `false`
*/
functionBind?: boolean;
/**
* Defaults to `false`
*/
decorators?: boolean;
/**
* Defaults to `false`
*/
decoratorsBeforeExport?: boolean;
/**
* Defaults to `false`
*/
exportDefaultFrom?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
exportNamespaceFrom?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
dynamicImport?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
nullishCoalescing?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
optionalChaining?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
importMeta?: boolean;
/**
* @deprecated Always true because it's in ecmascript spec.
*/
topLevelAwait?: boolean;
/**
* Defaults to `false`
*/
importAssertions?: boolean;
}
/**
* Options for transform.
*/
export interface TransformConfig {
/**
* Effective only if `syntax` supports ƒ.
*/
react?: ReactConfig;
constModules?: ConstModulesConfig;
/**
* Defaults to null, which skips optimizer pass.
*/
optimizer?: OptimizerConfig;
/**
* https://swc.rs/docs/configuring-swc.html#jsctransformlegacydecorator
*/
legacyDecorator?: boolean;
/**
* https://swc.rs/docs/configuring-swc.html#jsctransformdecoratormetadata
*/
decoratorMetadata?: boolean;
/**
* https://swc.rs/docs/configuration/compilation#jsctransformdecoratorversion
*/
decoratorVersion?: "2021-12" | "2022-03";
treatConstEnumAsEnum?: boolean;
useDefineForClassFields?: boolean;
}
export interface ReactConfig {
/**
* Replace the function used when compiling JSX expressions.
*
* Defaults to `React.createElement`.
*/
pragma?: string;
/**
* Replace the component used when compiling JSX fragments.
*
* Defaults to `React.Fragment`
*/
pragmaFrag?: string;
/**
* Toggles whether or not to throw an error if a XML namespaced tag name is used. For example:
* `<f:image />`
*
* Though the JSX spec allows this, it is disabled by default since React's
* JSX does not currently have support for it.
*
*/
throwIfNamespace?: boolean;
/**
* Toggles plugins that aid in development, such as @swc/plugin-transform-react-jsx-self
* and @swc/plugin-transform-react-jsx-source.
*
* Defaults to `false`,
*
*/
development?: boolean;
/**
* Use `Object.assign()` instead of `_extends`. Defaults to false.
* @deprecated
*/
useBuiltins?: boolean;
/**
* Enable fast refresh feature for React app
*/
refresh?: boolean;
/**
* jsx runtime
*/
runtime?: "automatic" | "classic";
/**
* Declares the module specifier to be used for importing the `jsx` and `jsxs` factory functions when using `runtime` 'automatic'
*/
importSource?: string;
}
/**
* - `import { DEBUG } from '@ember/env-flags';`
* - `import { FEATURE_A, FEATURE_B } from '@ember/features';`
*
* See: https://github.com/swc-project/swc/issues/18#issuecomment-466272558
*/
export interface ConstModulesConfig {
globals?: {
[module: string]: {
[name: string]: string;
};
};
}
/// https://swc.rs/docs/configuring-swc.html#jsctransformoptimizerjsonify
export interface OptimizerConfig {
/// https://swc.rs/docs/configuration/compilation#jsctransformoptimizersimplify
simplify?: boolean;
/// https://swc.rs/docs/configuring-swc.html#jsctransformoptimizerglobals
globals?: GlobalPassOption;
/// https://swc.rs/docs/configuring-swc.html#jsctransformoptimizerjsonify
jsonify?: { minCost: number };
}
/**
* Options for inline-global pass.
*/
export interface GlobalPassOption {
/**
* Global variables that should be inlined with passed value.
*
* e.g. `{ __DEBUG__: true }`
*/
vars?: Record<string, string>;
/**
* Names of environment variables that should be inlined with the value of corresponding env during build.
*
* Defaults to `["NODE_ENV", "SWC_ENV"]`
*/
envs?: string[];
/**
* Replaces typeof calls for passed variables with corresponding value
*
* e.g. `{ window: 'object' }`
*/
typeofs?: Record<string, string>;
}
export type ModuleConfig =
| Es6Config
| CommonJsConfig
| UmdConfig
| AmdConfig
| NodeNextConfig
| SystemjsConfig;
export interface BaseModuleConfig {
/**
* By default, when using exports with babel a non-enumerable `__esModule`
* property is exported. In some cases this property is used to determine
* if the import is the default export or if it contains the default export.
*
* In order to prevent the __esModule property from being exported, you
* can set the strict option to true.
*
* Defaults to `false`.
*/
strict?: boolean;
/**
* Emits 'use strict' directive.
*
* Defaults to `true`.
*/
strictMode?: boolean;
/**
* Changes Babel's compiled import statements to be lazily evaluated when their imported bindings are used for the first time.
*
* This can improve initial load time of your module because evaluating dependencies up
* front is sometimes entirely un-necessary. This is especially the case when implementing
* a library module.
*
*
* The value of `lazy` has a few possible effects:
*
* - `false` - No lazy initialization of any imported module.
* - `true` - Do not lazy-initialize local `./foo` imports, but lazy-init `foo` dependencies.
*
* Local paths are much more likely to have circular dependencies, which may break if loaded lazily,
* so they are not lazy by default, whereas dependencies between independent modules are rarely cyclical.
*
* - `Array<string>` - Lazy-initialize all imports with source matching one of the given strings.
*
* -----
*
* The two cases where imports can never be lazy are:
*
* - `import "foo";`
*
* Side-effect imports are automatically non-lazy since their very existence means
* that there is no binding to later kick off initialization.
*
* - `export * from "foo"`
*
* Re-exporting all names requires up-front execution because otherwise there is no
* way to know what names need to be exported.
*
* Defaults to `false`.
*/
lazy?: boolean | string[];
/**
* @deprecated Use the `importInterop` option instead.
*
* By default, when using exports with swc a non-enumerable __esModule property is exported.
* This property is then used to determine if the import is the default export or if
* it contains the default export.
*
* In cases where the auto-unwrapping of default is not needed, you can set the noInterop option
* to true to avoid the usage of the interopRequireDefault helper (shown in inline form above).
*
* Defaults to `false`.
*/
noInterop?: boolean;
/**
* Defaults to `swc`.
*
* CommonJS modules and ECMAScript modules are not fully compatible.
* However, compilers, bundlers and JavaScript runtimes developed different strategies
* to make them work together as well as possible.
*
* - `swc` (alias: `babel`)
*
* When using exports with `swc` a non-enumerable `__esModule` property is exported
* This property is then used to determine if the import is the default export
* or if it contains the default export.
*
* ```javascript
* import foo from "foo";
* import { bar } from "bar";
* foo;
* bar;
*
* // Is compiled to ...
*
* "use strict";
*
* function _interop_require_default(obj) {
* return obj && obj.__esModule ? obj : { default: obj };
* }
*
* var _foo = _interop_require_default(require("foo"));
* var _bar = require("bar");
*
* _foo.default;
* _bar.bar;
* ```
*
* When this import interop is used, if both the imported and the importer module are compiled
* with swc they behave as if none of them was compiled.
*
* This is the default behavior.
*
* - `node`
*
* When importing CommonJS files (either directly written in CommonJS, or generated with a compiler)
* Node.js always binds the `default` export to the value of `module.exports`.
*
* ```javascript
* import foo from "foo";
* import { bar } from "bar";
* foo;
* bar;
*
* // Is compiled to ...
*
* "use strict";
*
* var _foo = require("foo");
* var _bar = require("bar");
*
* _foo;
* _bar.bar;
* ```
* This is not exactly the same as what Node.js does since swc allows accessing any property of `module.exports`
* as a named export, while Node.js only allows importing statically analyzable properties of `module.exports`.
* However, any import working in Node.js will also work when compiled with swc using `importInterop: "node"`.
*
* - `none`
*
* If you know that the imported file has been transformed with a compiler that stores the `default` export on
* `exports.default` (such as swc or Babel), you can safely omit the `_interop_require_default` helper.
*
* ```javascript
* import foo from "foo";
* import { bar } from "bar";
* foo;
* bar;
*
* // Is compiled to ...
*
* "use strict";
*
* var _foo = require("foo");
* var _bar = require("bar");
*
* _foo.default;
* _bar.bar;
* ```
*/
importInterop?: "swc" | "babel" | "node" | "none";
/**
* Emits `cjs-module-lexer` annotation
* `cjs-module-lexer` is used in Node.js core for detecting the named exports available when importing a CJS module into ESM.
* swc will emit `cjs-module-lexer` detectable annotation with this option enabled.
*
* Defaults to `true` if import_interop is Node, else `false`
*/
exportInteropAnnotation?: boolean;
/**
* If set to true, dynamic imports will be preserved.
*/
ignoreDynamic?: boolean;
allowTopLevelThis?: boolean;
preserveImportMeta?: boolean;
}
export interface Es6Config extends BaseModuleConfig {
type: "es6";
}
export interface NodeNextConfig extends BaseModuleConfig {
type: "nodenext";
}
export interface CommonJsConfig extends BaseModuleConfig {
type: "commonjs";
}
export interface UmdConfig extends BaseModuleConfig {
type: "umd";
globals?: { [key: string]: string };
}
export interface AmdConfig extends BaseModuleConfig {
type: "amd";
moduleId?: string;
}
export interface SystemjsConfig {
type: "systemjs";
allowTopLevelThis?: boolean;
}
export interface Output {
/**
* Transformed code
*/
code: string;
/**
* Sourcemap (**not** base64 encoded)
*/
map?: string;
}
export interface MatchPattern {}
// -------------------------------
// ---------- Ast nodes ----------
// -------------------------------
export interface Span {
start: number;
end: number;
ctxt: number;
}
export interface Node {
type: string;
}
export interface HasSpan {
span: Span;
}
export interface HasDecorator {
decorators?: Decorator[];
}
export interface Class extends HasSpan, HasDecorator {
body: ClassMember[];
superClass?: Expression;
isAbstract: boolean;
typeParams?: TsTypeParameterDeclaration;
superTypeParams?: TsTypeParameterInstantiation;
implements: TsExpressionWithTypeArguments[];
}
export type ClassMember =
| Constructor
| ClassMethod
| PrivateMethod
| ClassProperty
| PrivateProperty
| TsIndexSignature
| EmptyStatement
| StaticBlock;
export interface ClassPropertyBase extends Node, HasSpan, HasDecorator {
value?: Expression;
typeAnnotation?: TsTypeAnnotation;
isStatic: boolean;
accessibility?: Accessibility;
isOptional: boolean;
isOverride: boolean;
readonly: boolean;
definite: boolean;
}
export interface ClassProperty extends ClassPropertyBase {
type: "ClassProperty";
key: PropertyName;
isAbstract: boolean;
declare: boolean;
}
export interface PrivateProperty extends ClassPropertyBase {
type: "PrivateProperty";
key: PrivateName;
}
export interface Param extends Node, HasSpan, HasDecorator {
type: "Parameter";
pat: Pattern;
}
export interface Constructor extends Node, HasSpan {
type: "Constructor";
key: PropertyName;
params: (TsParameterProperty | Param)[];
body?: BlockStatement;
accessibility?: Accessibility;
isOptional: boolean;
}
export interface ClassMethodBase extends Node, HasSpan {
function: Fn;
kind: MethodKind;
isStatic: boolean;
accessibility?: Accessibility;
isAbstract: boolean;
isOptional: boolean;
isOverride: boolean;
}
export interface ClassMethod extends ClassMethodBase {
type: "ClassMethod";
key: PropertyName;
}
export interface PrivateMethod extends ClassMethodBase {
type: "PrivateMethod";
key: PrivateName;
}
export interface StaticBlock extends Node, HasSpan {
type: "StaticBlock";
body: BlockStatement;
}
export interface Decorator extends Node, HasSpan {
type: "Decorator";
expression: Expression;
}
export type MethodKind = "method" | "getter" | "setter";
export type Declaration =
| ClassDeclaration
| FunctionDeclaration
| VariableDeclaration
| TsInterfaceDeclaration
| TsTypeAliasDeclaration
| TsEnumDeclaration
| TsModuleDeclaration;
export interface FunctionDeclaration extends Fn {
type: "FunctionDeclaration";
identifier: Identifier;
declare: boolean;
}
export interface ClassDeclaration extends Class, Node {
type: "ClassDeclaration";
identifier: Identifier;
declare: boolean;
}
export interface VariableDeclaration extends Node, HasSpan {
type: "VariableDeclaration";
kind: VariableDeclarationKind;
declare: boolean;
declarations: VariableDeclarator[];
}
export type VariableDeclarationKind = "var" | "let" | "const";
export interface VariableDeclarator extends Node, HasSpan {
type: "VariableDeclarator";
id: Pattern;
/// Initialization expression.
init?: Expression;
/// Typescript only
definite: boolean;
}
export type Expression =
| ThisExpression
| ArrayExpression
| ObjectExpression
| FunctionExpression
| UnaryExpression
| UpdateExpression
| BinaryExpression
| AssignmentExpression
| MemberExpression
| SuperPropExpression
| ConditionalExpression
| CallExpression
| NewExpression
| SequenceExpression
| Identifier
| Literal
| TemplateLiteral
| TaggedTemplateExpression
| ArrowFunctionExpression
| ClassExpression
| YieldExpression
| MetaProperty
| AwaitExpression
| ParenthesisExpression
| JSXMemberExpression
| JSXNamespacedName
| JSXEmptyExpression
| JSXElement
| JSXFragment
| TsTypeAssertion
| TsConstAssertion
| TsNonNullExpression
| TsAsExpression
| TsSatisfiesExpression
| TsInstantiation
| PrivateName
| OptionalChainingExpression
| Invalid;
interface ExpressionBase extends Node, HasSpan {}
export interface Identifier extends ExpressionBase {
type: "Identifier";
value: string;
/// TypeScript only. Used in case of an optional parameter.
optional: boolean;
}
export interface OptionalChainingExpression extends ExpressionBase {
type: "OptionalChainingExpression";
questionDotToken: Span;
/**
* Call expression or member expression.
*/
base: MemberExpression | OptionalChainingCall;
}
export interface OptionalChainingCall extends ExpressionBase {
type: "CallExpression";
callee: Expression;
arguments: ExprOrSpread[];
typeArguments?: TsTypeParameterInstantiation;
}
export interface ThisExpression extends ExpressionBase {
type: "ThisExpression";
}
export interface ArrayExpression extends ExpressionBase {
type: "ArrayExpression";
elements: (ExprOrSpread | undefined)[];
}
export interface ExprOrSpread {
spread?: Span;
expression: Expression;
}
export interface ObjectExpression extends ExpressionBase {
type: "ObjectExpression";
properties: (SpreadElement | Property)[];
}
export interface Argument {
spread?: Span;
expression: Expression;
}
export interface SpreadElement extends Node {
type: "SpreadElement";
spread: Span;
arguments: Expression;
}
export interface UnaryExpression extends ExpressionBase {
type: "UnaryExpression";
operator: UnaryOperator;
argument: Expression;
}
export interface UpdateExpression extends ExpressionBase {
type: "UpdateExpression";
operator: UpdateOperator;
prefix: boolean;
argument: Expression;
}
export interface BinaryExpression extends ExpressionBase {
type: "BinaryExpression";
operator: BinaryOperator;
left: Expression;
right: Expression;
}
export interface FunctionExpression extends Fn, ExpressionBase {
type: "FunctionExpression";
identifier?: Identifier;
}
export interface ClassExpression extends Class, ExpressionBase {
type: "ClassExpression";
identifier?: Identifier;
}
export interface AssignmentExpression extends ExpressionBase {
type: "AssignmentExpression";
operator: AssignmentOperator;
left: Expression | Pattern;
right: Expression;
}
export interface MemberExpression extends ExpressionBase {
type: "MemberExpression";
object: Expression;
property: Identifier | PrivateName | ComputedPropName;
}
export interface SuperPropExpression extends ExpressionBase {
type: "SuperPropExpression";
obj: Super;
property: Identifier | ComputedPropName;
}
export interface ConditionalExpression extends ExpressionBase {
type: "ConditionalExpression";
test: Expression;
consequent: Expression;
alternate: Expression;
}
export interface Super extends Node, HasSpan {
type: "Super";
}
export interface Import extends Node, HasSpan {
type: "Import";
}
export interface CallExpression extends ExpressionBase {
type: "CallExpression";
callee: Super | Import | Expression;
arguments: Argument[];
typeArguments?: TsTypeParameterInstantiation;
}
export interface NewExpression extends ExpressionBase {
type: "NewExpression";
callee: Expression;
arguments?: Argument[];
typeArguments?: TsTypeParameterInstantiation;
}
export interface SequenceExpression extends ExpressionBase {
type: "SequenceExpression";
expressions: Expression[];
}
export interface ArrowFunctionExpression extends ExpressionBase {
type: "ArrowFunctionExpression";
params: Pattern[];
body: BlockStatement | Expression;
async: boolean;
generator: boolean;
typeParameters?: TsTypeParameterDeclaration;
returnType?: TsTypeAnnotation;
}
export interface YieldExpression extends ExpressionBase {
type: "YieldExpression";
argument?: Expression;
delegate: boolean;
}
export interface MetaProperty extends Node, HasSpan {
type: "MetaProperty";
kind: "new.target" | "import.meta";
}
export interface AwaitExpression extends ExpressionBase {
type: "AwaitExpression";
argument: Expression;
}
export interface TemplateLiteral extends ExpressionBase {
type: "TemplateLiteral";
expressions: Expression[];
quasis: TemplateElement[];
}
export interface TaggedTemplateExpression extends ExpressionBase {
type: "TaggedTemplateExpression";
tag: Expression;
typeParameters?: TsTypeParameterInstantiation;
template: TemplateLiteral;
}
export interface TemplateElement extends ExpressionBase {
type: "TemplateElement";
tail: boolean;
cooked?: string;
raw: string;
}
export interface ParenthesisExpression extends ExpressionBase {
type: "ParenthesisExpression";
expression: Expression;
}
export interface Fn extends HasSpan, HasDecorator {
params: Param[];
body?: BlockStatement;
generator: boolean;
async: boolean;
typeParameters?: TsTypeParameterDeclaration;
returnType?: TsTypeAnnotation;
}
interface PatternBase extends Node, HasSpan {
typeAnnotation?: TsTypeAnnotation;
}
export interface PrivateName extends ExpressionBase {
type: "PrivateName";
id: Identifier;
}
export type JSXObject = JSXMemberExpression | Identifier;
export interface JSXMemberExpression extends Node {
type: "JSXMemberExpression";
object: JSXObject;
property: Identifier;
}
/**
* XML-based namespace syntax:
*/
export interface JSXNamespacedName extends Node {
type: "JSXNamespacedName";
namespace: Identifier;
name: Identifier;
}
export interface JSXEmptyExpression extends Node, HasSpan {
type: "JSXEmptyExpression";
}
export interface JSXExpressionContainer extends Node, HasSpan {
type: "JSXExpressionContainer";
expression: JSXExpression;
}
export type JSXExpression = JSXEmptyExpression | Expression;
export interface JSXSpreadChild extends Node, HasSpan {
type: "JSXSpreadChild";
expression: Expression;
}
export type JSXElementName =
| Identifier
| JSXMemberExpression
| JSXNamespacedName;
export interface JSXOpeningElement extends Node, HasSpan {
type: "JSXOpeningElement";
name: JSXElementName;
attributes: JSXAttributeOrSpread[];
selfClosing: boolean;
typeArguments?: TsTypeParameterInstantiation;
}
export type JSXAttributeOrSpread = JSXAttribute | SpreadElement;
export interface JSXClosingElement extends Node, HasSpan {
type: "JSXClosingElement";
name: JSXElementName;
}
export interface JSXAttribute extends Node, HasSpan {
type: "JSXAttribute";
name: JSXAttributeName;
value?: JSXAttrValue;
}
export type JSXAttributeName = Identifier | JSXNamespacedName;
export type JSXAttrValue =
| Literal
| JSXExpressionContainer
| JSXElement
| JSXFragment;
export interface JSXText extends Node, HasSpan {
type: "JSXText";
value: string;
raw: string;
}
export interface JSXElement extends Node, HasSpan {
type: "JSXElement";
opening: JSXOpeningElement;
children: JSXElementChild[];
closing?: JSXClosingElement;
}
export type JSXElementChild =
| JSXText
| JSXExpressionContainer
| JSXSpreadChild
| JSXElement
| JSXFragment;
export interface JSXFragment extends Node, HasSpan {
type: "JSXFragment";
opening: JSXOpeningFragment;
children: JSXElementChild[];
closing: JSXClosingFragment;
}
export interface JSXOpeningFragment extends Node, HasSpan {
type: "JSXOpeningFragment";
}
export interface JSXClosingFragment extends Node, HasSpan {
type: "JSXClosingFragment";
}
export type Literal =
| StringLiteral
| BooleanLiteral
| NullLiteral
| NumericLiteral
| BigIntLiteral
| RegExpLiteral
| JSXText;
export interface StringLiteral extends Node, HasSpan {
type: "StringLiteral";
value: string;
raw?: string;
}
export interface BooleanLiteral extends Node, HasSpan {
type: "BooleanLiteral";
value: boolean;
}
export interface NullLiteral extends Node, HasSpan {
type: "NullLiteral";
}
export interface RegExpLiteral extends Node, HasSpan {
type: "RegExpLiteral";
pattern: string;
flags: string;
}
export interface NumericLiteral extends Node, HasSpan {
type: "NumericLiteral";
value: number;
raw?: string;
}
export interface BigIntLiteral extends Node, HasSpan {
type: "BigIntLiteral";
value: bigint;
raw?: string;
}
export type ModuleDeclaration =
| ImportDeclaration
| ExportDeclaration
| ExportNamedDeclaration
| ExportDefaultDeclaration
| ExportDefaultExpression
| ExportAllDeclaration
| TsImportEqualsDeclaration
| TsExportAssignment
| TsNamespaceExportDeclaration;
export interface ExportDefaultExpression extends Node, HasSpan {
type: "ExportDefaultExpression";
expression: Expression;
}
export interface ExportDeclaration extends Node, HasSpan {
type: "ExportDeclaration";
declaration: Declaration;
}
export interface ImportDeclaration extends Node, HasSpan {
type: "ImportDeclaration";
specifiers: ImportSpecifier[];
source: StringLiteral;
typeOnly: boolean;
asserts?: ObjectExpression;
}
export interface ExportAllDeclaration extends Node, HasSpan {
type: "ExportAllDeclaration";
source: StringLiteral;
asserts?: ObjectExpression;
}
/**
* - `export { foo } from 'mod'`
* - `export { foo as bar } from 'mod'`
*/
export interface ExportNamedDeclaration extends Node, HasSpan {
type: "ExportNamedDeclaration";
specifiers: ExportSpecifier[];
source?: StringLiteral;
typeOnly: boolean;
asserts?: ObjectExpression;
}
export interface ExportDefaultDeclaration extends Node, HasSpan {
type: "ExportDefaultDeclaration";
decl: DefaultDecl;
}
export type DefaultDecl =
| ClassExpression
| FunctionExpression
| TsInterfaceDeclaration;
export type ImportSpecifier =
| NamedImportSpecifier
| ImportDefaultSpecifier
| ImportNamespaceSpecifier;
/**
* e.g. `import foo from 'mod.js'`
*/
export interface ImportDefaultSpecifier extends Node, HasSpan {
type: "ImportDefaultSpecifier";
local: Identifier;
}
/**
* e.g. `import * as foo from 'mod.js'`.
*/
export interface ImportNamespaceSpecifier extends Node, HasSpan {
type: "ImportNamespaceSpecifier";
local: Identifier;
}
/**
* e.g. - `import { foo } from 'mod.js'`
*
* local = foo, imported = None
*
* e.g. `import { foo as bar } from 'mod.js'`
*
* local = bar, imported = Some(foo) for
*/
export interface NamedImportSpecifier extends Node, HasSpan {
type: "ImportSpecifier";
local: Identifier;
imported?: ModuleExportName;
isTypeOnly: boolean;
}
export type ModuleExportName = Identifier | StringLiteral;
export type ExportSpecifier =
| ExportNamespaceSpecifier
| ExportDefaultSpecifier
| NamedExportSpecifier;
/**
* `export * as foo from 'src';`
*/
export interface ExportNamespaceSpecifier extends Node, HasSpan {
type: "ExportNamespaceSpecifier";
name: ModuleExportName;
}
export interface ExportDefaultSpecifier extends Node, HasSpan {
type: "ExportDefaultSpecifier";
exported: Identifier;
}
export interface NamedExportSpecifier extends Node, HasSpan {
type: "ExportSpecifier";
orig: ModuleExportName;
/**
* `Some(bar)` in `export { foo as bar }`
*/
exported?: ModuleExportName;
isTypeOnly: boolean;
}
interface HasInterpreter {
/**
* e.g. `/usr/bin/node` for `#!/usr/bin/node`
*/
interpreter: string;
}
export type Program = Module | Script;
export interface Module extends Node, HasSpan, HasInterpreter {
type: "Module";
body: ModuleItem[];
}
export interface Script extends Node, HasSpan, HasInterpreter {
type: "Script";
body: Statement[];
}
export type ModuleItem = ModuleDeclaration | Statement;
export type BinaryOperator =
| "=="
| "!="
| "==="
| "!=="
| "<"
| "<="
| ">"
| ">="
| "<<"
| ">>"
| ">>>"
| "+"
| "-"
| "*"
| "/"
| "%"
| "|"
| "^"
| "&"
| "||"
| "&&"
| "in"
| "instanceof"
| "**"
| "??";
export type AssignmentOperator =
| "="
| "+="
| "-="
| "*="
| "/="
| "%="
| "<<="
| ">>="
| ">>>="
| "|="
| "^="
| "&="
| "**="
| "&&="
| "||="
| "??=";
export type UpdateOperator = "++" | "--";
export type UnaryOperator =
| "-"
| "+"
| "!"
| "~"
| "typeof"
| "void"
| "delete";
export type Pattern =
| BindingIdentifier
| ArrayPattern
| RestElement
| ObjectPattern
| AssignmentPattern
| Invalid
| Expression;
export interface BindingIdentifier extends PatternBase {
type: "Identifier";
value: string;
optional: boolean;
}
export interface ArrayPattern extends PatternBase {
type: "ArrayPattern";
elements: (Pattern | undefined)[];
optional: boolean;
}
export interface ObjectPattern extends PatternBase {
type: "ObjectPattern";
properties: ObjectPatternProperty[];
optional: boolean;
}
export interface AssignmentPattern extends PatternBase {
type: "AssignmentPattern";
left: Pattern;
right: Expression;
}
export interface RestElement extends PatternBase {
type: "RestElement";
rest: Span;
argument: Pattern;
}
export type ObjectPatternProperty =
| KeyValuePatternProperty
| AssignmentPatternProperty
| RestElement;
/**
* `{key: value}`
*/
export interface KeyValuePatternProperty extends Node {
type: "KeyValuePatternProperty";
key: PropertyName;
value: Pattern;
}
/**
* `{key}` or `{key = value}`
*/
export interface AssignmentPatternProperty extends Node, HasSpan {
type: "AssignmentPatternProperty";
key: Identifier;
value?: Expression;
}
/** Identifier is `a` in `{ a, }` */
export type Property =
| Identifier
| KeyValueProperty
| AssignmentProperty
| GetterProperty
| SetterProperty
| MethodProperty;
interface PropBase extends Node {
key: PropertyName;
}
export interface KeyValueProperty extends PropBase {
type: "KeyValueProperty";
value: Expression;
}
export interface AssignmentProperty extends Node {
type: "AssignmentProperty";
key: Identifier;
value: Expression;
}
export interface GetterProperty extends PropBase, HasSpan {
type: "GetterProperty";
typeAnnotation?: TsTypeAnnotation;
body?: BlockStatement;
}
export interface SetterProperty extends PropBase, HasSpan {
type: "SetterProperty";
param: Pattern;
body?: BlockStatement;
}
export interface MethodProperty extends PropBase, Fn {
type: "MethodProperty";
}
export type PropertyName =
| Identifier
| StringLiteral
| NumericLiteral
| ComputedPropName
| BigIntLiteral;
export interface ComputedPropName extends Node, HasSpan {
type: "Computed";
expression: Expression;
}
export interface BlockStatement extends Node, HasSpan {
type: "BlockStatement";
stmts: Statement[];
}
export interface ExpressionStatement extends Node, HasSpan {
type: "ExpressionStatement";
expression: Expression;
}
export type Statement =
| BlockStatement
| EmptyStatement
| DebuggerStatement
| WithStatement
| ReturnStatement
| LabeledStatement
| BreakStatement
| ContinueStatement
| IfStatement
| SwitchStatement
| ThrowStatement
| TryStatement
| WhileStatement
| DoWhileStatement
| ForStatement
| ForInStatement
| ForOfStatement
| Declaration
| ExpressionStatement;
export interface EmptyStatement extends Node, HasSpan {
type: "EmptyStatement";
}
export interface DebuggerStatement extends Node, HasSpan {
type: "DebuggerStatement";
}
export interface WithStatement extends Node, HasSpan {
type: "WithStatement";
object: Expression;
body: Statement;
}
export interface ReturnStatement extends Node, HasSpan {
type: "ReturnStatement";
argument?: Expression;
}
export interface LabeledStatement extends Node, HasSpan {
type: "LabeledStatement";
label: Identifier;
body: Statement;
}
export interface BreakStatement extends Node, HasSpan {
type: "BreakStatement";
label?: Identifier;
}
export interface ContinueStatement extends Node, HasSpan {
type: "ContinueStatement";
label?: Identifier;
}
export interface IfStatement extends Node, HasSpan {
type: "IfStatement";
test: Expression;
consequent: Statement;
alternate?: Statement;
}
export interface SwitchStatement extends Node, HasSpan {
type: "SwitchStatement";
discriminant: Expression;
cases: SwitchCase[];
}
export interface ThrowStatement extends Node, HasSpan {
type: "ThrowStatement";
argument: Expression;
}
export interface TryStatement extends Node, HasSpan {
type: "TryStatement";
block: BlockStatement;
handler?: CatchClause;
finalizer?: BlockStatement;
}
export interface WhileStatement extends Node, HasSpan {
type: "WhileStatement";
test: Expression;
body: Statement;
}
export interface DoWhileStatement extends Node, HasSpan {
type: "DoWhileStatement";
test: Expression;
body: Statement;
}
export interface ForStatement extends Node, HasSpan {
type: "ForStatement";
init?: VariableDeclaration | Expression;
test?: Expression;
update?: Expression;
body: Statement;
}
export interface ForInStatement extends Node, HasSpan {
type: "ForInStatement";
left: VariableDeclaration | Pattern;
right: Expression;
body: Statement;
}
export interface ForOfStatement extends Node, HasSpan {
type: "ForOfStatement";
/**
* Span of the await token.
*
* es2018 for-await-of statements, e.g., `for await (const x of xs) {`
*/
await?: Span;
left: VariableDeclaration | Pattern;
right: Expression;
body: Statement;
}
export interface SwitchCase extends Node, HasSpan {
type: "SwitchCase";
/**
* Undefined for default case
*/
test?: Expression;
consequent: Statement[];
}
export interface CatchClause extends Node, HasSpan {
type: "CatchClause";
/**
* The param is `undefined` if the catch binding is omitted. E.g., `try { foo() } catch {}`
*/
param?: Pattern;
body: BlockStatement;
}
export interface TsTypeAnnotation extends Node, HasSpan {
type: "TsTypeAnnotation";
typeAnnotation: TsType;
}
export interface TsTypeParameterDeclaration extends Node, HasSpan {
type: "TsTypeParameterDeclaration";
parameters: TsTypeParameter[];
}
export interface TsTypeParameter extends Node, HasSpan {
type: "TsTypeParameter";
name: Identifier;
in: boolean;
out: boolean;
constraint?: TsType;
default?: TsType;
}
export interface TsTypeParameterInstantiation extends Node, HasSpan {
type: "TsTypeParameterInstantiation";
params: TsType[];
}
export interface TsParameterProperty extends Node, HasSpan, HasDecorator {
type: "TsParameterProperty";
accessibility?: Accessibility;
override: boolean;
readonly: boolean;
param: TsParameterPropertyParameter;
}
export type TsParameterPropertyParameter =
| BindingIdentifier
| AssignmentPattern;
export interface TsQualifiedName extends Node {
type: "TsQualifiedName";
left: TsEntityName;
right: Identifier;
}
export type TsEntityName = TsQualifiedName | Identifier;
export type TsTypeElement =
| TsCallSignatureDeclaration
| TsConstructSignatureDeclaration
| TsPropertySignature
| TsGetterSignature
| TsSetterSignature
| TsMethodSignature
| TsIndexSignature;
export interface TsCallSignatureDeclaration extends Node, HasSpan {
type: "TsCallSignatureDeclaration";
params: TsFnParameter[];
typeAnnotation?: TsTypeAnnotation;
typeParams?: TsTypeParameterDeclaration;
}
export interface TsConstructSignatureDeclaration extends Node, HasSpan {
type: "TsConstructSignatureDeclaration";
params: TsFnParameter[];
typeAnnotation?: TsTypeAnnotation;
typeParams?: TsTypeParameterDeclaration;
}
export interface TsPropertySignature extends Node, HasSpan {
type: "TsPropertySignature";
readonly: boolean;
key: Expression;
computed: boolean;
optional: boolean;
init?: Expression;
params: TsFnParameter[];
typeAnnotation?: TsTypeAnnotation;
typeParams?: TsTypeParameterDeclaration;
}
export interface TsGetterSignature extends Node, HasSpan {
type: "TsGetterSignature";
readonly: boolean;
key: Expression;
computed: boolean;
optional: boolean;
typeAnnotation?: TsTypeAnnotation;
}
export interface TsSetterSignature extends Node, HasSpan {
type: "TsSetterSignature";
readonly: boolean;
key: Expression;
computed: boolean;
optional: boolean;
param: TsFnParameter;
}
export interface TsMethodSignature extends Node, HasSpan {
type: "TsMethodSignature";
readonly: boolean;
key: Expression;
computed: boolean;
optional: boolean;
params: TsFnParameter[];
typeAnn?: TsTypeAnnotation;
typeParams?: TsTypeParameterDeclaration;
}
export interface TsIndexSignature extends Node, HasSpan {
type: "TsIndexSignature";
params: TsFnParameter[];
typeAnnotation?: TsTypeAnnotation;
readonly: boolean;
static: boolean;
}
export type TsType =
| TsKeywordType
| TsThisType
| TsFnOrConstructorType
| TsTypeReference
| TsTypeQuery
| TsTypeLiteral
| TsArrayType
| TsTupleType
| TsOptionalType
| TsRestType
| TsUnionOrIntersectionType
| TsConditionalType
| TsInferType
| TsParenthesizedType
| TsTypeOperator
| TsIndexedAccessType
| TsMappedType
| TsLiteralType
| TsTypePredicate
| TsImportType;
export type TsFnOrConstructorType = TsFunctionType | TsConstructorType;
export interface TsKeywordType extends Node, HasSpan {
type: "TsKeywordType";
kind: TsKeywordTypeKind;
}
export type TsKeywordTypeKind =
| "any"
| "unknown"
| "number"
| "object"
| "boolean"
| "bigint"
| "string"
| "symbol"
| "void"
| "undefined"
| "null"
| "never"
| "intrinsic";
export interface TsThisType extends Node, HasSpan {
type: "TsThisType";
}
export type TsFnParameter =
| BindingIdentifier
| ArrayPattern
| RestElement
| ObjectPattern;
export interface TsFunctionType extends Node, HasSpan {
type: "TsFunctionType";
params: TsFnParameter[];
typeParams?: TsTypeParameterDeclaration;
typeAnnotation: TsTypeAnnotation;
}
export interface TsConstructorType extends Node, HasSpan {
type: "TsConstructorType";
params: TsFnParameter[];
typeParams?: TsTypeParameterDeclaration;
typeAnnotation: TsTypeAnnotation;
isAbstract: boolean;
}
export interface TsTypeReference extends Node, HasSpan {
type: "TsTypeReference";
typeName: TsEntityName;
typeParams?: TsTypeParameterInstantiation;
}
export interface TsTypePredicate extends Node, HasSpan {
type: "TsTypePredicate";
asserts: boolean;
paramName: TsThisTypeOrIdent;
typeAnnotation?: TsTypeAnnotation;
}
export type TsThisTypeOrIdent = TsThisType | Identifier;
export interface TsImportType extends Node, HasSpan {
type: "TsImportType";
argument: StringLiteral;
qualifier?: TsEntityName;
typeArguments?: TsTypeParameterInstantiation;
}
/**
* `typeof` operator
*/
export interface TsTypeQuery extends Node, HasSpan {
type: "TsTypeQuery";
exprName: TsTypeQueryExpr;
typeArguments?: TsTypeParameterInstantiation;
}
export type TsTypeQueryExpr = TsEntityName | TsImportType;
export interface TsTypeLiteral extends Node, HasSpan {
type: "TsTypeLiteral";
members: TsTypeElement[];
}
export interface TsArrayType extends Node, HasSpan {
type: "TsArrayType";
elemType: TsType;
}
export interface TsTupleType extends Node, HasSpan {
type: "TsTupleType";
elemTypes: TsTupleElement[];
}
export interface TsTupleElement extends Node, HasSpan {
type: "TsTupleElement";
label?: Pattern;
ty: TsType;
}
export interface TsOptionalType extends Node, HasSpan {
type: "TsOptionalType";
typeAnnotation: TsType;
}
export interface TsRestType extends Node, HasSpan {
type: "TsRestType";
typeAnnotation: TsType;
}
export type TsUnionOrIntersectionType = TsUnionType | TsIntersectionType;
export interface TsUnionType extends Node, HasSpan {
type: "TsUnionType";
types: TsType[];
}
export interface TsIntersectionType extends Node, HasSpan {
type: "TsIntersectionType";
types: TsType[];
}
export interface TsConditionalType extends Node, HasSpan {
type: "TsConditionalType";
checkType: TsType;
extendsType: TsType;
trueType: TsType;
falseType: TsType;
}
export interface TsInferType extends Node, HasSpan {
type: "TsInferType";
typeParam: TsTypeParameter;
}
export interface TsParenthesizedType extends Node, HasSpan {
type: "TsParenthesizedType";
typeAnnotation: TsType;
}
export interface TsTypeOperator extends Node, HasSpan {
type: "TsTypeOperator";
op: TsTypeOperatorOp;
typeAnnotation: TsType;
}
export type TsTypeOperatorOp = "keyof" | "unique" | "readonly";
export interface TsIndexedAccessType extends Node, HasSpan {
type: "TsIndexedAccessType";
readonly: boolean;
objectType: TsType;
indexType: TsType;
}
export type TruePlusMinus = true | "+" | "-";
export interface TsMappedType extends Node, HasSpan {
type: "TsMappedType";
readonly?: TruePlusMinus;
typeParam: TsTypeParameter;
nameType?: TsType;
optional?: TruePlusMinus;
typeAnnotation?: TsType;
}
export interface TsLiteralType extends Node, HasSpan {
type: "TsLiteralType";
literal: TsLiteral;
}
export type TsLiteral =
| NumericLiteral
| StringLiteral
| BooleanLiteral
| BigIntLiteral
| TsTemplateLiteralType;
export interface TsTemplateLiteralType extends Node, HasSpan {
type: "TemplateLiteral";
types: TsType[];
quasis: TemplateElement[];
}
// // ================
// // TypeScript declarations
// // ================
export interface TsInterfaceDeclaration extends Node, HasSpan {
type: "TsInterfaceDeclaration";
id: Identifier;
declare: boolean;
typeParams?: TsTypeParameterDeclaration;
extends: TsExpressionWithTypeArguments[];
body: TsInterfaceBody;
}
export interface TsInterfaceBody extends Node, HasSpan {
type: "TsInterfaceBody";
body: TsTypeElement[];
}
export interface TsExpressionWithTypeArguments extends Node, HasSpan {
type: "TsExpressionWithTypeArguments";
expression: Expression;
typeArguments?: TsTypeParameterInstantiation;
}
export interface TsTypeAliasDeclaration extends Node, HasSpan {
type: "TsTypeAliasDeclaration";
declare: boolean;
id: Identifier;
typeParams?: TsTypeParameterDeclaration;
typeAnnotation: TsType;
}
export interface TsEnumDeclaration extends Node, HasSpan {
type: "TsEnumDeclaration";
declare: boolean;
isConst: boolean;
id: Identifier;
members: TsEnumMember[];
}
export interface TsEnumMember extends Node, HasSpan {
type: "TsEnumMember";
id: TsEnumMemberId;
init?: Expression;
}
export type TsEnumMemberId = Identifier | StringLiteral;
export interface TsModuleDeclaration extends Node, HasSpan {
type: "TsModuleDeclaration";
declare: boolean;
global: boolean;
id: TsModuleName;
body?: TsNamespaceBody;
}
/**
* `namespace A.B { }` is a namespace named `A` with another TsNamespaceDecl as its body.
*/
export type TsNamespaceBody = TsModuleBlock | TsNamespaceDeclaration;
export interface TsModuleBlock extends Node, HasSpan {
type: "TsModuleBlock";
body: ModuleItem[];
}
export interface TsNamespaceDeclaration extends Node, HasSpan {
type: "TsNamespaceDeclaration";
declare: boolean;
global: boolean;
id: Identifier;
body: TsNamespaceBody;
}
export type TsModuleName = Identifier | StringLiteral;
export interface TsImportEqualsDeclaration extends Node, HasSpan {
type: "TsImportEqualsDeclaration";
declare: boolean;
isExport: boolean;
isTypeOnly: boolean;
id: Identifier;
moduleRef: TsModuleReference;
}
export type TsModuleReference = TsEntityName | TsExternalModuleReference;
export interface TsExternalModuleReference extends Node, HasSpan {
type: "TsExternalModuleReference";
expression: StringLiteral;
}
export interface TsExportAssignment extends Node, HasSpan {
type: "TsExportAssignment";
expression: Expression;
}
export interface TsNamespaceExportDeclaration extends Node, HasSpan {
type: "TsNamespaceExportDeclaration";
id: Identifier;
}
export interface TsAsExpression extends ExpressionBase {
type: "TsAsExpression";
expression: Expression;
typeAnnotation: TsType;
}
export interface TsSatisfiesExpression extends ExpressionBase {
type: "TsSatisfiesExpression";
expression: Expression;
typeAnnotation: TsType;
}
export interface TsInstantiation extends Node, HasSpan {
type: "TsInstantiation";
expression: Expression;
typeArguments: TsTypeParameterInstantiation;
}
export interface TsTypeAssertion extends ExpressionBase {
type: "TsTypeAssertion";
expression: Expression;
typeAnnotation: TsType;
}
export interface TsConstAssertion extends ExpressionBase {
type: "TsConstAssertion";
expression: Expression;
}
export interface TsNonNullExpression extends ExpressionBase {
type: "TsNonNullExpression";
expression: Expression;
}
export type Accessibility = "public" | "protected" | "private";
export interface Invalid extends Node, HasSpan {
type: "Invalid";
}