| /** |
| * @license |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| export interface Selector { |
| refinedBy?: this; |
| type?: SelectorType; |
| } |
| |
| export type SelectorType = string; // not enumerating known options: we allow extensibility. |
| |
| export interface CssSelector extends Selector { |
| type: 'CssSelector'; |
| value: string; |
| } |
| |
| export interface TextQuoteSelector extends Selector { |
| type: 'TextQuoteSelector'; |
| exact: string; |
| prefix?: string; |
| suffix?: string; |
| } |
| |
| export interface RangeSelector extends Selector { |
| type: 'RangeSelector'; |
| startSelector: Selector; |
| endSelector: Selector; |
| } |
| |
| export interface Matcher<TScope, TMatch> { |
| (scope: TScope): AsyncGenerator<TMatch, void, void>; |
| } |
| |
| export type MatcherCreator<TScope, TMatch> = (selector: Selector) => Matcher<TScope, TMatch>; |
| |
| export type Plugin<TScope, TMatch> = |
| ( |
| next: MatcherCreator<TScope, TMatch>, |
| recurse: MatcherCreator<TScope, TMatch>, |
| ) => typeof next; |
| |
| |
| // Basic form of a plugin: (two equivalents) |
| // const identity: Plugin<any, any> = (next, recurse) => next; |
| // const identity: Plugin<any, any> = (next, recurse) => { |
| // return function (selector: Selector): Matcher<any, any> { |
| // return next(selector); // or do something else here. |
| // }; |
| // }; |