81 lines
2.7 KiB
TypeScript
81 lines
2.7 KiB
TypeScript
/**
|
|
* Copyright 2018 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
|
* use this file except in compliance with the License. You may obtain a copy of
|
|
* the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations under
|
|
* the License.
|
|
*/
|
|
|
|
declare class Beasties {
|
|
/**
|
|
* Create an instance of Beasties with custom options.
|
|
* The `.process()` method can be called repeatedly to re-use this instance and its cache.
|
|
*/
|
|
constructor(options?: Options)
|
|
/**
|
|
* Process an HTML document to inline critical CSS from its stylesheets.
|
|
* @param html String containing a full HTML document to be parsed.
|
|
* @returns A modified copy of the provided HTML with critical CSS inlined.
|
|
*/
|
|
process(html: string): Promise<string>
|
|
/**
|
|
* Read the contents of a file from the specified filesystem or disk.
|
|
* Override this method to customize how stylesheets are loaded.
|
|
*/
|
|
readFile(filename: string): Promise<string> | string
|
|
/**
|
|
* Given a stylesheet URL, returns the corresponding CSS asset.
|
|
* Overriding this method requires doing your own URL normalization, so it's generally better to override `readFile()`.
|
|
*/
|
|
getCssAsset(href: string): Promise<string | undefined> | string | undefined
|
|
/**
|
|
* Override this method to customise how beasties prunes the content of source files.
|
|
*/
|
|
pruneSource(style: Node, before: string, sheetInverse: string): boolean
|
|
/**
|
|
* Override this method to customise how beasties prunes the content of source files.
|
|
*/
|
|
checkInlineThreshold(link: Node, style: Node, sheet: string): boolean
|
|
}
|
|
|
|
interface Options {
|
|
path?: string
|
|
publicPath?: string
|
|
external?: boolean
|
|
inlineThreshold?: number
|
|
minimumExternalSize?: number
|
|
pruneSource?: boolean
|
|
mergeStylesheets?: boolean
|
|
additionalStylesheets?: string[]
|
|
preload?: 'body' | 'media' | 'swap' | 'swap-high' | 'swap-low' | 'js' | 'js-lazy'
|
|
noscriptFallback?: boolean
|
|
inlineFonts?: boolean
|
|
preloadFonts?: boolean
|
|
allowRules?: Array<string | RegExp>
|
|
fonts?: boolean
|
|
keyframes?: string
|
|
compress?: boolean
|
|
logLevel?: 'info' | 'warn' | 'error' | 'trace' | 'debug' | 'silent'
|
|
reduceInlineStyles?: boolean
|
|
logger?: Logger
|
|
}
|
|
|
|
interface Logger {
|
|
trace?: (message: string) => void
|
|
debug?: (message: string) => void
|
|
info?: (message: string) => void
|
|
warn?: (message: string) => void
|
|
error?: (message: string) => void
|
|
}
|
|
|
|
export = Beasties;
|
|
export type { Logger, Options };
|