code-server/lib/vscode/extensions/markdown-language-features/src/slugify.ts

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
export class Slug {
public constructor(
public readonly value: string
) { }
public equals(other: Slug): boolean {
return this.value === other.value;
}
}
export interface Slugifier {
fromHeading(heading: string): Slug;
}
export const githubSlugifier: Slugifier = new class implements Slugifier {
fromHeading(heading: string): Slug {
const slugifiedHeading = encodeURI(
heading.trim()
.toLowerCase()
.replace(/\s+/g, '-') // Replace whitespace with -
.replace(/[\]\[\!\'\#\$\%\&\(\)\*\+\,\.\/\:\;\<\=\>\?\@\\\^\_\{\|\}\~\`。,、;:?!…—·ˉ¨‘’“”々~‖∶"'`|〃〔〕〈〉《》「」『』.〖〗【】()[]{}]/g, '') // Remove known punctuators
.replace(/^\-+/, '') // Remove leading -
.replace(/\-+$/, '') // Remove trailing -
);
return new Slug(slugifiedHeading);
}
};