wxt
Version:
⚡ Next-gen Web Extension Framework
1,353 lines • 53.6 kB
TypeScript
import type * as vite from 'vite';
import { UnimportOptions, Import } from 'unimport';
import { LogLevel } from 'consola';
import type { ContentScriptContext } from './utils/content-script-context';
import type { PluginVisualizerOptions } from '@aklinker1/rollup-plugin-visualizer';
import { ResolvedConfig as C12ResolvedConfig } from 'c12';
import { Hookable, NestedHooks } from 'hookable';
import type * as Nypm from 'nypm';
import { ManifestContentScript } from './core/utils/types';
import type { Browser } from '@wxt-dev/browser';
export interface InlineConfig {
/**
* Your project's root directory containing the `package.json` used to fill out the
* `manifest.json`.
*
* @default process.cwd()
*/
root?: string;
/**
* Directory containing all source code. Set to `"src"` to move all source code to a `src/`
* directory.
*
* After changing, don't forget to move the `public/` and `entrypoints/` directories into the new
* source dir.
*
* @default config.root
*/
srcDir?: string;
/**
* Directory containing files that will be copied to the output directory as-is.
*
* @default "${config.root}/public"
*/
publicDir?: string;
/**
* @default "${config.srcDir}/entrypoints"
*/
entrypointsDir?: string;
/**
* @default "${config.root}/modules"
*/
modulesDir?: string;
/**
* A list of entrypoint names (`"popup"`, `"options"`, etc.) to build. Will speed up the build if
* your extension has lots of entrypoints, and you don't need to build all of them to develop a
* feature.
* If specified, this completely overrides the `include`/`exclude` option provided per-entrypoint.
*/
filterEntrypoints?: string[];
/**
* Output directory that stored build folders and ZIPs.
*
* @default ".output"
*/
outDir?: string;
/**
* Template string for customizing the output directory structure.
* Available variables:
* - <span v-pre>`{{browser}}`</span>: The target browser (e.g., 'chrome', 'firefox')
* - <span v-pre>`{{manifestVersion}}`</span>: The manifest version (e.g., 2 or 3)
* - <span v-pre>`{{mode}}`</span>: The build mode (e.g., 'development', 'production')
* - <span v-pre>`{{modeSuffix}}`</span>: A suffix based on the mode ('-dev' for development, '' for production)
* - <span v-pre>`{{command}}`</span>: The WXT command being run (e.g., 'build', 'serve')
*
* @example "{{browser}}-mv{{manifestVersion}}"
* @default <span v-pre>`"{{browser}}-mv{{manifestVersion}}{{modeSuffix}}"`</span>
*/
outDirTemplate?: string;
/**
* > Only available when using the JS API. Not available in `wxt.config.ts` files
*
* Path to `wxt.config.ts` file or `false` to disable config file discovery.
*
* @default "wxt.config.ts"
*/
configFile?: string | false;
/**
* Set to `true` to show debug logs. Overridden by the command line `--debug` option.
*
* @default false
*/
debug?: boolean;
/**
* Explicitly set a mode to run in. This will override the default mode for each command, and can
* be overridden by the command line `--mode` option.
*/
mode?: string;
/**
* Customize auto-import options. Set to `false` to disable auto-imports.
*
* For example, to add a directory to auto-import from, you can use:
*
* ```ts
* export default defineConfig({
* imports: {
* dirs: ["some-directory"]
* }
* })
* ```
*/
imports?: WxtUnimportOptions | false;
/**
* Explicitly set a browser to build for. This will override the default browser for each command,
* and can be overridden by the command line `--browser` option.
*
* @default
* "chrome"
*/
browser?: TargetBrowser;
/**
* Target browsers to support. When set, `import.meta.env.BROWSER` will be narrowed to a string literal type containing only the specified browser names.
*
* @default []
*/
targetBrowsers?: TargetBrowser[];
/**
* Explicitly set a manifest version to target. This will override the default manifest version
* for each command, and can be overridden by the command line `--mv2` or `--mv3` option.
*/
manifestVersion?: TargetManifestVersion;
/**
* Override the logger used.
*
* @default
* consola
*/
logger?: Logger;
/**
* Customize the `manifest.json` output. Can be an object, promise, or function that returns an
* object or promise.
*/
manifest?: UserManifest | Promise<UserManifest> | UserManifestFn;
/**
* Configure browser startup. Options set here can be overridden in a `web-ext.config.ts` file.
*/
webExt?: WebExtConfig;
/**
* @deprecated Use `webExt` instead. Same option, just renamed.
*/
runner?: WebExtConfig;
zip?: {
/**
* Configure the filename output when zipping files.
*
* Available template variables:
*
* - <span v-pre>`{{name}}`</span> - The project's name converted to kebab-case
* - <span v-pre>`{{version}}`</span> - The version_name or version from the manifest
* - <span v-pre>`{{packageVersion}}`</span> - The version from the package.json
* - <span v-pre>`{{browser}}`</span> - The target browser from the `--browser` CLI flag
* - <span v-pre>`{{mode}}`</span> - The current mode
* - <span v-pre>`{{manifestVersion}}`</span> - Either "2" or "3"
*
* @default "{{name}}-{{version}}-{{browser}}.zip"
*/
artifactTemplate?: string;
/**
* When zipping the extension, also zip sources.
*
* - `undefined`: zip sources if the target browser is "firefox" or "opera"
* - `true`: always zip sources
* - `false`: never zip sources
*
* @default undefined
*/
zipSources?: boolean;
/**
* Configure the filename output when zipping files.
*
* Available template variables:
*
* - <span v-pre>`{{name}}`</span> - The project's name converted to kebab-case
* - <span v-pre>`{{version}}`</span> - The version_name or version from the manifest
* - <span v-pre>`{{packageVersion}}`</span> - The version from the package.json
* - <span v-pre>`{{browser}}`</span> - The target browser from the `--browser` CLI flag
* - <span v-pre>`{{mode}}`</span> - The current mode
* - <span v-pre>`{{manifestVersion}}`</span> - Either "2" or "3"
*
* @default "{{name}}-{{version}}-sources.zip"
*/
sourcesTemplate?: string;
/**
* Override the artifactTemplate's `{name}` template variable. Defaults to the `package.json`'s
* name, or if that doesn't exist, the current working directories name.
*/
name?: string;
/**
* Root directory to ZIP when generating the sources ZIP.
*
* @default config.root
*/
sourcesRoot?: string;
/**
* [Minimatch](https://www.npmjs.com/package/minimatch) patterns of files to include when
* creating a ZIP of all your source code for Firefox. Patterns are relative to your
* `config.zip.sourcesRoot`.
*
* This setting overrides `excludeSources`. So if a file matches both lists, it is included in the ZIP.
*
* @example
* [
* "coverage", // Include the coverage directory in the `sourcesRoot`
* ]
*/
includeSources?: string[];
/**
* [Minimatch](https://www.npmjs.com/package/minimatch) patterns of files to exclude when
* creating a ZIP of all your source code for Firefox. Patterns are relative to your
* `config.zip.sourcesRoot`.
*
* Hidden files, node_modules, and tests are ignored by default.
*
* @example
* [
* "coverage", // Ignore the coverage directory in the `sourcesRoot`
* ]
*/
excludeSources?: string[];
/**
* [Minimatch](https://www.npmjs.com/package/minimatch) patterns of files to exclude when
* zipping the extension.
*
* @example
* [
* "**\/*.map", // Exclude all sourcemaps
* ]
*/
exclude?: string[];
/**
* The Firefox review process requires the extension be buildable from source to make reviewing
* easier. This field allows you to use private packages without exposing your auth tokens.
*
* Just list the name of all the packages you want to download and include in the sources zip.
* Usually, these will be private packages behind auth tokens, but they don't have to be.
*
* All packages listed here will be downloaded to in `.wxt/local_modules/` and an `overrides` or
* `resolutions` field (depending on your package manager) will be added to the `package.json`,
* pointing to the downloaded packages.
*
* > ***DO NOT include versions or version filters.*** Just the package name. If multiple
* > versions of a package are present in the project, all versions will be downloaded and
* > referenced in the package.json correctly.
*
* @default []
*
* @example
* // Correct:
* ["@scope/package-name", "package-name"]
*
* // Incorrect, don't include versions!!!
* ["@scope/package-name@1.1.3", "package-name@^2"]
*/
downloadPackages?: string[];
/**
* Compression level to use when zipping files.
*
* Levels: 0 (no compression) to 9 (maximum compression).
*
* @default 9
*/
compressionLevel?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
};
analysis?: {
/**
* Explicitly include bundle analysis when running `wxt build`. This can be overridden by the
* command line `--analyze` option.
*
* @default false
*/
enabled?: boolean;
/**
* Set to true to automatically open the `stats.html` file when the build is finished. When building in CI, the browser will never open.
*
* @default false
*/
open?: boolean;
/**
* When running `wxt build --analyze` or setting `analysis.enabled` to true, customize how the
* bundle will be visualized. See
* [`rollup-plugin-visualizer`](https://github.com/btd/rollup-plugin-visualizer#how-to-use-generated-files)
* for more details.
*
* @default "treemap"
*/
template?: PluginVisualizerOptions['template'];
/**
* Name of the output HTML file. Relative to the project's root directory.
*
* Changing the filename of the outputFile also effects the names of the artifacts generated
* when setting `keepArtifacts` to true:
* - "stats.html" => "stats-*.json"
* - "stats/bundle.html" => "bundle-*.json"
* - ".analysis/index.html" => "index-*.json"
*
* @default "stats.html"
*/
outputFile?: string;
/**
* By default, the `stats-*.json` artifacts generated during bundle analysis are deleted. Set to
* `true` to keep them.
*
* One stats file is output per build step.
*
* @default false
*/
keepArtifacts?: boolean;
};
/**
* Add additional paths to the `.wxt/tsconfig.json`. Use this instead of overwriting the `paths`
* in the root `tsconfig.json` if you want to add new paths.
*
* The key is the import alias and the value is either a relative path to the root directory or an absolute path.
*
* @example
* {
* "testing": "src/utils/testing.ts"
* }
*/
alias?: Record<string, string>;
/**
* Experimental settings - use with caution.
*/
experimental?: {};
/**
* Config effecting dev mode only.
*/
dev?: {
server?: {
/**
* Host to bind the dev server to.
*
* @default "localhost"
*/
host?: string;
/**
* Port to run the dev server on. Defaults to the first open port from 3000 to 3010.
*/
port?: number;
/**
* Origin to use to connect from the extension ui runtime to the dev server.
*
* @default "http://localhost:3000"
*/
origin?: string;
/**
* Hostname to run the dev server on.
*
* @deprecated use `host` to specify the interface to bind to, or use `origin` to specify the dev server hostname.
*/
hostname?: string;
};
/**
* Controls whether a custom keyboard shortcut command, `Alt+R`, is added during dev mode to
* quickly reload the extension.
*
* If false, the shortcut is not added during development.
*
* If set to a custom string, you can override the key combo used. See
* [Chrome's command docs](https://developer.chrome.com/docs/extensions/reference/api/commands)
* for available options.
*
* @default "Alt+R"
*/
reloadCommand?: string | false;
};
/**
* Project hooks for running logic during the build process.
*/
hooks?: NestedHooks<WxtHooks>;
/**
* List of WXT module names to include. Can be the full package name
* ("wxt-module-analytics"), or just the suffix ("analytics" would resolve to
* "wxt-module-analytics").
*/
modules?: string[];
}
export interface InlineConfig {
/**
* Return custom Vite options from a function. See
* <https://vitejs.dev/config/shared-options.html>.
*
* [`root`](#root), [`configFile`](#configfile), and [`mode`](#mode) should be set in WXT's config
* instead of Vite's.
*
* This is a function because any vite plugins added need to be recreated for each individual
* build step, incase they have internal state causing them to fail when reused.
*/
vite?: (env: ConfigEnv) => WxtViteConfig | Promise<WxtViteConfig>;
}
export interface ResolvedConfig {
vite: (env: ConfigEnv) => WxtViteConfig | Promise<WxtViteConfig>;
}
export type WxtViteConfig = Omit<vite.UserConfig, 'root' | 'configFile' | 'mode'>;
export interface WxtHooks {
/**
* Called when WXT has created Vite's config for a build step. Useful if you
* want to add plugins or update the vite config per entrypoint group.
*
* @param entrypoints The list of entrypoints being built with the provided config.
* @param viteConfig The config that will be used for the dev server.
*/
'vite:build:extendConfig': (entrypoints: readonly Entrypoint[], viteConfig: vite.InlineConfig) => HookResult;
/**
* Called when WXT has created Vite's config for the dev server. Useful if
* you want to add plugins or update the vite config per entrypoint group.
*
* @param viteConfig The config that will be used to build the entrypoints. Can be updated by reference.
*/
'vite:devServer:extendConfig': (config: vite.InlineConfig) => HookResult;
}
export interface BuildOutput {
manifest: Browser.runtime.Manifest;
publicAssets: OutputAsset[];
steps: BuildStepOutput[];
}
export type OutputFile = OutputChunk | OutputAsset;
export interface OutputChunk {
type: 'chunk';
/**
* Relative, normalized path relative to the output directory.
*
* Ex: "content-scripts/overlay.js"
*/
fileName: string;
/**
* Absolute, normalized paths to all dependencies this chunk relies on.
*/
moduleIds: string[];
}
export interface OutputAsset {
type: 'asset';
/**
* Relative, normalized path relative to the output directory.
*
* Ex: "icons/16.png"
*/
fileName: string;
}
export interface BuildStepOutput {
entrypoints: EntrypointGroup;
chunks: OutputFile[];
}
export interface WxtDevServer extends Omit<WxtBuilderServer, 'listen' | 'close'>, ServerInfo {
/**
* Stores the current build output of the server.
*/
currentOutput: BuildOutput | undefined;
/**
* Start the server.
*/
start(): Promise<void>;
/**
* Stop the server.
*/
stop(): Promise<void>;
/**
* Close the browser, stop the server, rebuild the entire extension, and start the server again.
*/
restart(): Promise<void>;
/**
* Transform the HTML for dev mode.
*/
transformHtml(url: string, html: string, originalUrl?: string | undefined): Promise<string>;
/**
* Tell the extension to reload by running `browser.runtime.reload`.
*/
reloadExtension: () => void;
/**
* Tell an extension page to reload.
*
* The path is the bundle path, not the input paths, so if the input paths is
* "src/options/index.html", you would pass "options.html" because that's where it is written to
* in the dist directory, and where it's available at in the actual extension.
*
* @example
* server.reloadPage("popup.html")
* server.reloadPage("sandbox.html")
*/
reloadPage: (path: string) => void;
/**
* Tell the extension to restart a content script.
*
* @param payload Information about the content script to reload.
*/
reloadContentScript: (payload: ReloadContentScriptPayload) => void;
/**
* Grab the latest runner config and restart the browser.
*/
restartBrowser: () => void;
}
export interface ReloadContentScriptPayload {
registration?: BaseContentScriptEntrypointOptions['registration'];
contentScript: Omit<Browser.scripting.RegisteredContentScript, 'id'>;
}
export type TargetBrowser = string;
export type TargetManifestVersion = 2 | 3;
export type UserConfig = Omit<InlineConfig, 'configFile'>;
export interface Logger {
debug(...args: any[]): void;
log(...args: any[]): void;
info(...args: any[]): void;
warn(...args: any[]): void;
error(...args: any[]): void;
fatal(...args: any[]): void;
success(...args: any[]): void;
level: LogLevel;
}
export interface BaseEntrypointOptions {
/**
* List of target browsers to include this entrypoint in. Defaults to being included in all
* builds. Cannot be used with `exclude`. You must choose one of the two options.
*
* @default undefined
*/
include?: TargetBrowser[];
/**
* List of target browsers to exclude this entrypoint from. Cannot be used with `include`. You
* must choose one of the two options.
*
* @default undefined
*/
exclude?: TargetBrowser[];
}
export interface BackgroundEntrypointOptions extends BaseEntrypointOptions {
persistent?: PerBrowserOption<boolean>;
/**
* Set to `"module"` to output the background entrypoint as ESM. ESM outputs can share chunks and
* reduce the overall size of the bundled extension.
*
* When `undefined`, the background is bundled individually into an IIFE format.
*
* @default undefined
*/
type?: PerBrowserOption<'module'>;
}
export interface BaseContentScriptEntrypointOptions extends BaseEntrypointOptions {
matches?: PerBrowserOption<NonNullable<ManifestContentScript['matches']>>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default "documentIdle"
*/
runAt?: PerBrowserOption<Browser.scripting.RegisteredContentScript['runAt']>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default false
*/
matchAboutBlank?: PerBrowserOption<ManifestContentScript['match_about_blank']>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default []
*/
excludeMatches?: PerBrowserOption<ManifestContentScript['exclude_matches']>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default []
*/
includeGlobs?: PerBrowserOption<ManifestContentScript['include_globs']>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default []
*/
excludeGlobs?: PerBrowserOption<ManifestContentScript['exclude_globs']>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default false
*/
allFrames?: PerBrowserOption<ManifestContentScript['all_frames']>;
/**
* See https://developer.chrome.com/docs/extensions/mv3/content_scripts/
* @default false
*/
matchOriginAsFallback?: PerBrowserOption<boolean>;
/**
* Customize how imported/generated styles are injected with the content script. Regardless of the
* mode selected, CSS will always be built and included in the output directory.
*
* - `"manifest"` - Include the CSS in the manifest, under the content script's `css` array.
* - `"manual"` - Exclude the CSS from the manifest. You are responsible for manually loading it
* onto the page. Use `browser.runtime.getURL("content-scripts/<name>.css")` to get the file's
* URL
* - `"ui"` - Exclude the CSS from the manifest. CSS will be automatically added to your UI when
* calling `createShadowRootUi`
*
* @default "manifest"
*/
cssInjectionMode?: PerBrowserOption<'manifest' | 'manual' | 'ui'>;
/**
* Specify how the content script is registered.
*
* - `"manifest"`: The content script will be added to the `content_scripts` entry in the
* manifest. This is the normal and most well known way of registering a content script.
* - `"runtime"`: The content script's `matches` is added to `host_permissions` and you are
* responsible for using the scripting API to register/execute the content script
* dynamically at runtime.
*
* @default "manifest"
*/
registration?: PerBrowserOption<'manifest' | 'runtime'>;
}
export interface MainWorldContentScriptEntrypointOptions extends BaseContentScriptEntrypointOptions {
/**
* See https://developer.chrome.com/docs/extensions/develop/concepts/content-scripts#isolated_world
*/
world: 'MAIN';
}
export interface IsolatedWorldContentScriptEntrypointOptions extends BaseContentScriptEntrypointOptions {
/**
* See https://developer.chrome.com/docs/extensions/develop/concepts/content-scripts#isolated_world
* @default "ISOLATED"
*/
world?: 'ISOLATED';
}
export interface PopupEntrypointOptions extends BaseEntrypointOptions {
/**
* Defaults to "browser_action" to be equivalent to MV3's "action" key
*/
mv2Key?: PerBrowserOption<'browser_action' | 'page_action'>;
defaultIcon?: Record<string, string>;
defaultTitle?: PerBrowserOption<string>;
browserStyle?: PerBrowserOption<boolean>;
}
export interface OptionsEntrypointOptions extends BaseEntrypointOptions {
openInTab?: PerBrowserOption<boolean>;
browserStyle?: PerBrowserOption<boolean>;
chromeStyle?: PerBrowserOption<boolean>;
}
export interface SidepanelEntrypointOptions extends BaseEntrypointOptions {
/**
* Firefox only. See https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/sidebar_action#syntax
* @default false
*/
openAtInstall?: PerBrowserOption<boolean>;
/**
* @deprecated See https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/sidebar_action#syntax
*/
browserStyle?: PerBrowserOption<boolean>;
defaultIcon?: string | Record<string, string>;
defaultTitle?: PerBrowserOption<string>;
}
export interface BaseEntrypoint {
/**
* The entrypoint's name. This is the filename or dirname without the type suffix.
*
* Examples:
* - `popup.html` → `popup`
* - `options/index.html` → `options`
* - `named.sandbox.html` → `named`
* - `named.sandbox/index.html` → `named`
* - `sandbox.html` → `sandbox`
* - `sandbox/index.html` → `sandbox`
* - `overlay.content.ts` → `overlay`
* - `overlay.content/index.ts` → `overlay`
*
* The name is used when generating an output file:
* `<entrypoint.outputDir>/<entrypoint.name>.<ext>`
*/
name: string;
/**
* Absolute path to the entrypoint's input file.
*/
inputPath: string;
/**
* Absolute path to the entrypoint's output directory. Can be `wxt.config.outDir` or a
* subdirectory of it.
*/
outputDir: string;
/**
* When true, the entrypoint will not be built by WXT. Normally this is set
* based on the `filterEntrypoints` config or the entrypoint's
* `include`/`exclude` options defined inside the file.
*
* See https://wxt.dev/guide/essentials/target-different-browsers.html#filtering-entrypoints
*/
skipped?: boolean;
}
export interface GenericEntrypoint extends BaseEntrypoint {
type: 'sandbox' | 'bookmarks' | 'history' | 'newtab' | 'devtools' | 'unlisted-page' | 'unlisted-script' | 'unlisted-style' | 'content-script-style';
options: ResolvedPerBrowserOptions<BaseEntrypointOptions>;
}
export interface BackgroundEntrypoint extends BaseEntrypoint {
type: 'background';
options: ResolvedPerBrowserOptions<BackgroundEntrypointOptions>;
}
export interface ContentScriptEntrypoint extends BaseEntrypoint {
type: 'content-script';
options: ResolvedPerBrowserOptions<MainWorldContentScriptEntrypointOptions | IsolatedWorldContentScriptEntrypointOptions>;
}
export interface PopupEntrypoint extends BaseEntrypoint {
type: 'popup';
options: ResolvedPerBrowserOptions<PopupEntrypointOptions, 'defaultIcon'>;
}
export interface OptionsEntrypoint extends BaseEntrypoint {
type: 'options';
options: ResolvedPerBrowserOptions<OptionsEntrypointOptions>;
}
export interface SidepanelEntrypoint extends BaseEntrypoint {
type: 'sidepanel';
options: ResolvedPerBrowserOptions<SidepanelEntrypointOptions, 'defaultIcon'>;
}
export type Entrypoint = GenericEntrypoint | BackgroundEntrypoint | ContentScriptEntrypoint | PopupEntrypoint | OptionsEntrypoint | SidepanelEntrypoint;
export interface EntrypointInfo {
name: string;
/** Absolute path to the entrypoint file. */
inputPath: string;
type: Entrypoint['type'];
}
export type EntrypointGroup = Entrypoint | Entrypoint[];
export type OnContentScriptStopped = (cb: () => void) => void;
export interface IsolatedWorldContentScriptDefinition extends IsolatedWorldContentScriptEntrypointOptions {
/**
* Main function executed when the content script is loaded.
*
* When running a content script with `browser.scripting.executeScript`,
* values returned from this function will be returned in the `executeScript`
* result as well. Otherwise returning a value does nothing.
*/
main(ctx: ContentScriptContext): any | Promise<any>;
}
export interface MainWorldContentScriptDefinition extends MainWorldContentScriptEntrypointOptions {
/**
* Main function executed when the content script is loaded.
*
* When running a content script with `browser.scripting.executeScript`,
* values returned from this function will be returned in the `executeScript`
* result as well. Otherwise returning a value does nothing.
*/
main(): any | Promise<any>;
}
export type ContentScriptDefinition = IsolatedWorldContentScriptDefinition | MainWorldContentScriptDefinition;
export interface BackgroundDefinition extends BackgroundEntrypointOptions {
/**
* Main function executed when the background script is started. Cannot be async.
*/
main(): void;
}
export interface UnlistedScriptDefinition extends BaseEntrypointOptions {
/**
* Main function executed when the unlisted script is ran.
*
* When running a content script with `browser.scripting.executeScript`,
* values returned from this function will be returned in the `executeScript`
* result as well. Otherwise returning a value does nothing.
*/
main(): any | Promise<any>;
}
/**
* Either a single value or a map of different browsers to the value for that browser.
*/
export type PerBrowserOption<T> = T | PerBrowserMap<T>;
export type PerBrowserMap<T> = {
[browser: TargetBrowser]: T;
};
/**
* Convert `{ key: PerBrowserOption<T> }` to just `{ key: T }`, stripping away the
* `PerBrowserOption` type for all fields inside the object.
*
* A optional second list of keys can be passed if a field isn't compatible with `PerBrowserOption`, like `defaultIcon`.
*/
export type ResolvedPerBrowserOptions<T, TOmitted extends keyof T = never> = {
[key in keyof Omit<T, TOmitted>]: T[key] extends PerBrowserOption<infer U> ? U : T[key];
} & {
[key in TOmitted]: T[key];
};
/**
* Manifest customization available in the `wxt.config.ts` file. You cannot configure entrypoints
* here, they are configured inline.
*/
export type UserManifest = {
[key in keyof Browser.runtime.ManifestV3 as key extends 'action' | 'background' | 'chrome_url_overrides' | 'devtools_page' | 'manifest_version' | 'options_page' | 'options_ui' | 'permissions' | 'sandbox' | 'web_accessible_resources' ? never : key]?: Browser.runtime.ManifestV3[key];
} & {
action?: Browser.runtime.ManifestV3['action'] & {
browser_style?: boolean;
};
browser_action?: Browser.runtime.ManifestV2['browser_action'] & {
browser_style?: boolean;
};
page_action?: Browser.runtime.ManifestV2['page_action'] & {
browser_style?: boolean;
};
browser_specific_settings?: {
gecko?: {
id?: string;
strict_min_version?: string;
strict_max_version?: string;
update_url?: string;
};
gecko_android?: {
strict_min_version?: string;
strict_max_version?: string;
};
safari?: {
strict_min_version?: string;
strict_max_version?: string;
};
};
permissions?: (Browser.runtime.ManifestPermissions | (string & Record<never, never>))[];
web_accessible_resources?: string[] | Browser.runtime.ManifestV3['web_accessible_resources'];
};
export type UserManifestFn = (env: ConfigEnv) => UserManifest | Promise<UserManifest>;
export interface ConfigEnv {
/**
* The build mode passed into the CLI. By default, `wxt` uses `"development"` and `wxt build|zip`
* uses `"production"`.
*/
mode: string;
/**
* The command used to run WXT. `"serve"` during development and `"build"` for any other command.
*/
command: WxtCommand;
/**
* Browser passed in from the CLI via the `-b` or `--browser` flag. Defaults to `"chrome"` when not passed.
*/
browser: TargetBrowser;
/**
* Manifest version passed in from the CLI via the `--mv2` or `--mv3` flags. When not passed, it depends on the target browser. See
* [the guide](https://wxt.dev/guide/key-concepts/multiple-browsers.html#target-manifest-version) for more
* details.
*/
manifestVersion: 2 | 3;
}
export type WxtCommand = 'build' | 'serve';
/**
* @deprecated Use `WebExtConfig` instead.
*/
export type ExtensionRunnerConfig = WebExtConfig;
/**
* Options for how [`web-ext`](https://github.com/mozilla/web-ext) starts the browser.
*/
export interface WebExtConfig {
/**
* Whether or not to open the browser with the extension installed in dev mode.
*
* @default false
*/
disabled?: boolean;
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#browser-console
*/
openConsole?: boolean;
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#devtools
*/
openDevtools?: boolean;
/**
* List of browser names and the binary that should be used to open the browser.
*
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#chromium-binary
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#firefox
*/
binaries?: Record<string, string>;
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#firefox-profile
*/
firefoxProfile?: string;
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#chromium-profile
*/
chromiumProfile?: string;
/**
* An map of chrome preferences from https://chromium.googlesource.com/chromium/src/+/main/chrome/common/pref_names.h
*
* @example
* // change your downloads directory
* {
* download: {
* default_directory: "/my/custom/dir",
* },
* }
*
* @default
* // Enable dev mode and allow content script sourcemaps
* {
* devtools: {
* synced_preferences_sync_disabled: {
* skipContentScripts: false,
* },
* }
* extensions: {
* ui: {
* developer_mode: true,
* },
* }
* }
*/
chromiumPref?: Record<string, any>;
/**
* By default, chrome opens a random port for debugging. Set this value to use a specific port.
*/
chromiumPort?: number;
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#pref
*/
firefoxPrefs?: Record<string, string>;
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#args
*/
firefoxArgs?: string[];
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#args
*/
chromiumArgs?: string[];
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#start-url
*/
startUrls?: string[];
/**
* @see https://extensionworkshop.com/documentation/develop/web-ext-command-reference/#keep-profile-changes
*/
keepProfileChanges?: boolean;
}
export interface WxtBuilder {
/**
* Name of tool used to build. Ex: "Vite" or "Webpack".
*/
name: string;
/**
* Version of tool used to build. Ex: "5.0.2"
*/
version: string;
/**
* Import a JS entrypoint file, returning the default export containing the options.
*/
importEntrypoint<T>(path: string): Promise<T>;
/**
* Import a list of JS entrypoint files, returning their options.
*/
importEntrypoints(paths: string[]): Promise<Record<string, unknown>[]>;
/**
* Build a single entrypoint group. This is effectively one of the multiple "steps" during the
* build process.
*/
build(group: EntrypointGroup): Promise<BuildStepOutput>;
/**
* Start a dev server at the provided port.
*/
createServer(info: ServerInfo): Promise<WxtBuilderServer>;
}
export interface WxtBuilderServer {
/**
* Start the server.
*/
listen(): Promise<void>;
/**
* Stop the server.
*/
close(): Promise<void>;
/**
* Transform the HTML for dev mode.
*/
transformHtml(url: string, html: string, originalUrl?: string | undefined): Promise<string>;
/**
* The web socket server used to communicate with the extension.
*/
ws: {
/**
* Send a message via the server's websocket, with an optional payload.
*
* @example
* ws.send("wxt:reload-extension");
* ws.send("wxt:reload-content-script", { ... });
*/
send(message: string, payload?: any): void;
/**
* Listen for messages over the server's websocket.
*/
on(message: string, cb: (payload: any) => void): void;
};
/**
* Chokidar file watcher instance.
*/
watcher: vite.ViteDevServer['watcher'];
on?(event: string, callback: () => void): void;
}
export interface ServerInfo {
/**
* Ex: `"localhost"`
*/
host: string;
/**
* Ex: `3000`
*/
port: number;
/**
* Ex: `"http://localhost:3000"`
*/
origin: string;
}
export type HookResult = Promise<void> | void;
export interface WxtHooks {
/**
* Called after WXT modules are initialized, when the WXT instance is ready to
* be used. `wxt.server` isn't available yet, use `server:created` to get it.
* @param wxt The configured WXT object
*/
ready: (wxt: Wxt) => HookResult;
/**
* Called whenever config is loaded or reloaded. Use this hook to modify config by modifying `wxt.config`.
* @param wxt The configured WXT object
*/
'config:resolved': (wxt: Wxt) => HookResult;
/**
* Called before WXT writes .wxt/tsconfig.json and .wxt/wxt.d.ts, allowing
* addition of custom references and declarations in wxt.d.ts, or directly
* modifying the options in `tsconfig.json`.
*
* @example
* wxt.hooks.hook("prepare:types", (wxt, entries) => {
* // Add a file, ".wxt/types/example.d.ts", that defines a global
* // variable called "example" in the TS project.
* entries.push({
* path: "types/example.d.ts",
* text: "declare const a: string;",
* tsReference: true,
* });
* // use module to add Triple-Slash Directive in .wxt/wxt.d.ts
* // eg: /// <reference types="@types/example" />
* entries.push({
* module: '@types/example'
* });
* })
*/
'prepare:types': (wxt: Wxt, entries: WxtDirEntry[]) => HookResult;
/**
* Called before generating the list of public paths inside
* `.wxt/types/paths.d.ts`. Use this hook to add additional paths (relative
* to output directory) WXT doesn't add automatically.
*
* @param wxt The configured WXT object
* @param paths This list of paths TypeScript allows `browser.runtime.getURL` to be called with.
*
* @example
* wxt.hooks.hook('prepare:publicPaths', (wxt, paths) => {
* paths.push('/icons/128.png');
* })
*/
'prepare:publicPaths': (wxt: Wxt, paths: string[]) => HookResult;
/**
* Called before the build is started in both dev mode and build mode.
*
* @param wxt The configured WXT object
*/
'build:before': (wxt: Wxt) => HookResult;
/**
* Called once the build process has finished. You can add files to the build
* summary here by pushing to `output.publicAssets`.
*
* @param wxt The configured WXT object
* @param output The results of the build
*/
'build:done': (wxt: Wxt, output: Readonly<BuildOutput>) => HookResult;
/**
* Called once the manifest has been generated. Used to transform the manifest by reference before
* it is written to the output directory.
* @param wxt The configured WXT object
* @param manifest The manifest that was generated
*/
'build:manifestGenerated': (wxt: Wxt, manifest: Browser.runtime.Manifest) => HookResult;
/**
* Called once the names and paths of all entrypoints have been resolved.
* @param wxt The configured WXT object
* @param infos List of entrypoints found in the project's `entrypoints` directory
*/
'entrypoints:found': (wxt: Wxt, infos: EntrypointInfo[]) => HookResult;
/**
* Called once all entrypoints have been loaded from the `entrypointsDir`.
* Use `wxt.builder.importEntrypoint` to load entrypoint options from the
* file, or manually define them.
*
* @param wxt The configured WXT object
* @param entrypoints The list of entrypoints to be built
*/
'entrypoints:resolved': (wxt: Wxt, entrypoints: Entrypoint[]) => HookResult;
/**
* Called once all entrypoints have been grouped into their build groups.
* @param wxt The configured WXT object
* @param entrypoints The list of groups to build in each build step
*/
'entrypoints:grouped': (wxt: Wxt, groups: EntrypointGroup[]) => HookResult;
/**
* Called when public assets are found. You can modify the `files` list by
* reference to add or remove public files.
* @param wxt The configured WXT object
* @param entrypoints The list of files that will be copied into the output directory
*/
'build:publicAssets': (wxt: Wxt, files: ResolvedPublicFile[]) => HookResult;
/**
* Called before the zip process starts.
* @param wxt The configured WXT object
*/
'zip:start': (wxt: Wxt) => HookResult;
/**
* Called before zipping the extension files.
* @param wxt The configured WXT object
*/
'zip:extension:start': (wxt: Wxt) => HookResult;
/**
* Called after zipping the extension files.
* @param wxt The configured WXT object
* @param zipPath The path to the created extension zip file
*/
'zip:extension:done': (wxt: Wxt, zipPath: string) => HookResult;
/**
* Called before zipping the source files (for Firefox).
* @param wxt The configured WXT object
*/
'zip:sources:start': (wxt: Wxt) => HookResult;
/**
* Called after zipping the source files (for Firefox).
* @param wxt The configured WXT object
* @param zipPath The path to the created sources zip file
*/
'zip:sources:done': (wxt: Wxt, zipPath: string) => HookResult;
/**
* Called after the entire zip process is complete.
* @param wxt The configured WXT object
* @param zipFiles An array of paths to all created zip files
*/
'zip:done': (wxt: Wxt, zipFiles: string[]) => HookResult;
/**
* Called when the dev server is created (and `wxt.server` is assigned). Server has not been started yet.
* @param wxt The configured WXT object
* @param server Same as `wxt.server`, the object WXT uses to control the dev server.
*/
'server:created': (wxt: Wxt, server: WxtDevServer) => HookResult;
/**
* Called when the dev server is started.
* @param wxt The configured WXT object
* @param server Same as `wxt.server`, the object WXT uses to control the dev server.
*/
'server:started': (wxt: Wxt, server: WxtDevServer) => HookResult;
/**
* Called when the dev server is stopped.
* @param wxt The configured WXT object
* @param server Same as `wxt.server`, the object WXT uses to control the dev server.
*/
'server:closed': (wxt: Wxt, server: WxtDevServer) => HookResult;
}
export interface Wxt {
config: ResolvedConfig;
hooks: Hookable<WxtHooks>;
/**
* Alias for `wxt.hooks.hook(...)`.
*/
hook: Hookable<WxtHooks>['hook'];
/**
* Alias for config.logger
*/
logger: Logger;
/**
* Reload config file and update `wxt.config` with the result.
*/
reloadConfig: () => Promise<void>;
/**
* Package manager utilities.
*/
pm: WxtPackageManager;
/**
* If the dev server was started, it will be available.
*/
server?: WxtDevServer;
/**
* The module in charge of executing all the build steps.
*/
builder: WxtBuilder;
}
export interface ResolvedConfig {
root: string;
srcDir: string;
publicDir: string;
/**
* Absolute path pointing to `.wxt` directory in project root.
* @example
* "/path/to/project/.wxt"
*/
wxtDir: string;
typesDir: string;
entrypointsDir: string;
modulesDir: string;
filterEntrypoints?: Set<string>;
/**
* Absolute path to the `.output` directory
* @example
* "/path/to/project/.output"
*/
outBaseDir: string;
/**
* Absolute path to the target output directory.
* @example
* "/path/to/project/.output/chrome-mv3"
*/
outDir: string;
debug: boolean;
/**
* Absolute path pointing to the `node_modules/wxt` directory, wherever WXT is installed.
*/
wxtModuleDir: string;
mode: string;
command: WxtCommand;
browser: TargetBrowser;
targetBrowsers: TargetBrowser[];
manifestVersion: TargetManifestVersion;
env: ConfigEnv;
logger: Logger;
imports: WxtResolvedUnimportOptions;
manifest: UserManifest;
fsCache: FsCache;
runnerConfig: C12ResolvedConfig<WebExtConfig>;
zip: {
name?: string;
artifactTemplate: string;
sourcesTemplate: string;
includeSources: string[];
excludeSources: string[];
sourcesRoot: string;
downloadedPackagesDir: string;
downloadPackages: string[];
compressionLevel: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
exclude: string[];
/**
* If true, when zipping the extension, also zip the sources.
*/
zipSources: boolean;
};
analysis: {
enabled: boolean;
open: boolean;
template: NonNullable<PluginVisualizerOptions['template']>;
/** Absolute file path to the `stats.html` file */
outputFile: string;
/** The directory where the final `stats.html` file is located */
outputDir: string;
/** Name of the `stats.html` file, minus ".html" */
outputName: string;
keepArtifacts: boolean;
};
userConfigMetadata: Omit<C12ResolvedConfig<UserConfig>, 'config'>;
/**
* Import aliases to absolute paths.
*/
alias: Record<string, string>;
experimental: {};
dev: {
/** Only defined during dev command */
server?: {
host: string;
port: number;
origin: string;
/**
* The milliseconds to debounce when a file is saved before reloading.
* The only way to set this option is to set the `WXT_WATCH_DEBOUNCE`
* environment variable, either globally (like in `.bashrc` file) or
* per-project (in `.env` file).
*
* For example:
* ```
* # ~/.zshrc
* export WXT_WATCH_DEBOUNCE=1000
* ```
* or
* ```
* # .env
* WXT_WATCH_DEBOUNCE=1000
* ```
* @default 800
*/
watchDebounce: number;
};
reloadCommand: string | false;
};
hooks: NestedHooks<WxtHooks>;
builtinModules: WxtModule<any>[];
userModules: WxtModuleWithMetadata<any>[];
/**
* An array of string to import plugins from. These paths should be
* resolvable by vite, and they should `export default defineWxtPlugin(...)`.
*
* @example
* ["@wxt-dev/module-vue/plugin", "wxt-module-google-analytics/plugin"]
*/
plugins: string[];
}
export interface FsCache {
set(key: string, value: string): Promise<void>;
get(key: string): Promise<string | undefined>;
}
export interface ExtensionRunner {
openBrowser(): Promise<void>;
closeBrowser(): Promise<void>;
/** Whether or not this runner actually opens the browser. */
canOpen?(): boolean;
}
export type EslintGlobalsPropValue = boolean | 'readonly' | 'readable' | 'writable' | 'writeable';
export interface Eslintrc {
/**
* When true, generates a file that can be used by ESLint to know which variables are valid globals.
*
* - `false`: Don't generate the file.
* - `'auto'`: Check if eslint is installed, and if it is, generate a compatible config file.
* - `true`: Same as `8`.
* - `8`: Generate a config file compatible with ESLint 8.
* - `9`: Generate a config file compatible with ESLint 9.
*
* @default 'auto'
*/
enabled?: false | true | 'auto' | 8 | 9;
/**
* File path to save the generated eslint config.
*
* Default depends on version of ESLint used:
* - 9 and above: './.wxt/eslint-auto-imports.mjs'
* - 8 and below: './.wxt/eslintrc-auto-import.json'
*/
filePath?: string;
/**
* @default true
*/
globalsPropValue?: EslintGlobalsPropValue;
}
export interface ResolvedEslintrc {
/** False if disabled, otherwise the major version of ESLint installed */
enabled: false | 8 | 9;
/** Absolute path */
filePath: string;
globalsPropValue: EslintGlobalsPropValue;
}
export type WxtUnimportOptions = Partial<UnimportOptions> & {
/**
* When using ESLint, auto-imported variables are linted as "undeclared
* globals". This option lets you configure a base eslintrc that, when
* extended, fixes these lint errors.
*
* See <https://wxt.dev/guide/key-concepts/auto-imports.html#eslint>
*/
eslintrc?: Eslintrc;
};
export type WxtResolvedUnimportOptions = Partial<UnimportOptions> & {
/**
* Set to `true` when the user disabled auto-imports. We still use unimport for the #imports module, but other features should be disabled.
*
* You don't need to check this value before modifying the auto-import options. Even if `disabled` is `true`, there's no harm in adding imports to the config - they'll just be ignored.
*/
disabled: boolean;
eslintrc: ResolvedEslintrc;
};
/**
* Package management utils built on top of [`nypm`](https://www.npmjs.com/package/nypm)
*/
export interface WxtPackageManager extends Nypm.PackageManager {
addDependency: typeof Nypm.addDependency;
addDevDependency: typeof Nypm.addDevDependency;
ensureDependencyInstalled: typeof Nypm.ensureDependencyInstalled;
installDependencies: typeof Nypm.installDependencies;
removeDependen