vite-plugin-virtual-mpa
Version:
Out-of-box MPA plugin for Vite, with html template engine and virtual files support.
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text/typescript
import { ViteDevServer, FilterPattern, IndexHtmlTransformContext, IndexHtmlTransformResult, Plugin } from 'vite';
import { Rewrite } from 'connect-history-api-fallback';
import { Options } from 'html-minifier-terser';
type AllowedEvent = 'add' | 'unlink' | 'change' | 'unlinkDir' | 'addDir';
/**
* Ensure string follow the extension convention
*/
type ExtStr<E extends string, T extends string> = T extends `/${infer P}` ? ExtStr<E, P> : T extends `${infer Q}.${E}` ? ExtStr<E, Q> : `${T}.${E}`;
type FileStr<T extends string> = ExtStr<'html', T>;
type TplStr<T extends string> = ExtStr<'ejs' | 'html', T>;
interface Page<Name extends string = string, Filename extends string = string, Tpl extends string = string> {
/**
* Required. Name is used to generate default rewrite rules, it just a common string and please don't include '/'.
* You can use filename option not name option if you want to customize the path of generated files.
*/
name: Name extends `${string}/${string}` ? never : Name;
/**
* Relative path to the output directory, which should end with .html and not startWith '/'
* @default `${name}.html`
*/
filename?: FileStr<Filename>;
/**
* **Higher priority template file**, which will overwrite the default template.
*/
template?: TplStr<Tpl>;
/**
* Entry file that will append to body, which you should remove from the EJS template file.
* It must always start with `'/'` which represents your project root directory.
*/
entry?: `/${string}`;
/**
* Data to inject with ejs.
*/
data?: Record<string, any>;
}
type WatchHandler<Event extends AllowedEvent = AllowedEvent> = (ctx: {
server: ViteDevServer;
file: string;
type: Event;
/**
* You can update the pages configuration by calling this function.
* @params pages Your MPA core configurations, which will replace default `pages` config
*/
reloadPages: <PN extends string, PFN extends string, PT extends string>(pages: Page<PN, PFN, PT>[]) => void;
}) => void;
interface WatchOptions<Event extends AllowedEvent = AllowedEvent> {
/**
* Specifies the files to **include**, based on `Rollup.createFilter`
* @see https://vitejs.dev/guide/api-plugin.html#filtering-include-exclude-pattern
*/
include?: Exclude<FilterPattern, null>;
/**
* Specifies the files to **exclude**, based on `Rollup.createFilter`
* @see https://vitejs.dev/guide/api-plugin.html#filtering-include-exclude-pattern
*/
excluded?: Exclude<FilterPattern, null>;
/**
* File events you wanna deal with.
* @default ['add', 'unlink', 'change', 'unlinkDir', 'addDir']
*/
events?: Event[];
/**
* Execute your own logic when file events fired.
*/
handler: WatchHandler<Event>;
}
interface ScanOptions {
/**
* Directory path to scan, subdirectory's name will be used as unique page name.
*/
scanDirs: string | string[];
/**
* Customize the **entry file** path relative to the scanned dir.
* It doesn't effect when the file specified doesn't exist.
*/
entryFile?: string;
/**
* Customize the **virtual file** name(output filename).
* @param name Subdirectory name
*/
filename?: (name: string) => string;
/**
* Customize the **template file** path relative to the scanned dir.
* It doesn't effect when the file specified doesn't exist.
*/
template?: string;
}
type RewriteRule = false | Rewrite[];
interface MpaOptions<PageName extends string, PageFilename extends string, PageTpl extends string, Event extends AllowedEvent, DefTpl extends string> {
/**
* Whether to print log.
* @default true
*/
verbose?: boolean;
/**
* Default template file.
* @default index.html
*/
template?: TplStr<DefTpl>;
/**
* Configure your dev server's rewrite rules, only proceed fallback html requests.
* @see https://github.com/bripkens/connect-history-api-fallback
*/
rewrites?: RewriteRule;
/**
* Configure your preview server's rewrite rules.
* @see https://github.com/bripkens/connect-history-api-fallback
*/
previewRewrites?: RewriteRule;
/**
* Sometimes you might want to reload `pages` config or restart ViteDevServer when
* there are some files added, removed, changed and so on. You can set `watchOptions` to
* customize your own logic.
*/
watchOptions?: WatchHandler<Event> | WatchOptions<Event>;
/**
* Your MPA core configurations, you can write directly or use `createPages` function independently outside and then pass it to this field.
*/
pages?: Page<PageName, PageFilename, PageTpl>[];
/**
* Use to scan directories that have similar structure to generate pages.
* Detected pages will be appended to `pages` option, page with name existed will be ignored.
*/
scanOptions?: ScanOptions;
/**
* Dedicated hook for transforming template HTML, inherit from `transformIndexHtml`.
* @see https://vitejs.dev/guide/api-plugin#transformindexhtml
*/
transformHtml?: (html: string, ctx: IndexHtmlTransformContext & {
page: Page;
}) => IndexHtmlTransformResult;
/**
* Whether to minify html file. Powered by [html-minify-terser](https://github.com/terser/html-minifier-terser).
* @default false
*/
htmlMinify?: Options | boolean;
}
/**
* This function simply converts the arguments to an array and returns them.
* It helps creating pages configuration with type hints independently outside plugin function.
*/
declare function createPages<Name extends string, Filename extends string, Tpl extends string>(pages: Page<Name, Filename, Tpl> | Page<Name, Filename, Tpl>[]): Page<Name, Filename, Tpl>[];
declare function createMpaPlugin<PN extends string, PFN extends string, PT extends string, Event extends AllowedEvent, TPL extends string>(config: MpaOptions<PN, PFN, PT, Event, TPL>): Plugin[];
export { type AllowedEvent, type ExtStr, type FileStr, type MpaOptions, type Page, type RewriteRule, type ScanOptions, type TplStr, type WatchHandler, type WatchOptions, createMpaPlugin, createPages };