monaco-editor
Version:
A browser based code editor
44 lines (41 loc) • 1.83 kB
JavaScript
import { createDecorator } from '../../instantiation/common/instantiation.js';
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
const IOpenerService = createDecorator('openerService');
/**
* Encodes selection into the `URI`.
*
* IMPORTANT: you MUST use `extractSelection` to separate the selection
* again from the original `URI` before passing the `URI` into any
* component that is not aware of selections.
*/
function withSelection(uri, selection) {
return uri.with({ fragment: `${selection.startLineNumber},${selection.startColumn}${selection.endLineNumber ? `-${selection.endLineNumber}${selection.endColumn ? `,${selection.endColumn}` : ''}` : ''}` });
}
/**
* file:///some/file.js#73
* file:///some/file.js#L73
* file:///some/file.js#73,84
* file:///some/file.js#L73,84
* file:///some/file.js#73-83
* file:///some/file.js#L73-L83
* file:///some/file.js#73,84-83,52
* file:///some/file.js#L73,84-L83,52
*/
function extractSelection(uri) {
let selection = undefined;
const match = /^L?(\d+)(?:,(\d+))?(-L?(\d+)(?:,(\d+))?)?/.exec(uri.fragment);
if (match) {
selection = {
startLineNumber: parseInt(match[1]),
startColumn: match[2] ? parseInt(match[2]) : 1,
endLineNumber: match[4] ? parseInt(match[4]) : undefined,
endColumn: match[4] ? (match[5] ? parseInt(match[5]) : 1) : undefined
};
uri = uri.with({ fragment: '' });
}
return { selection, uri };
}
export { IOpenerService, extractSelection, withSelection };