@leisn/tocjs
v0.1.1
Published
A browser side toc generator, by query headings
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leisnReadme
tocjs 
Tocjs is a browser side toc generator, by query headings.
Headings: [h1, h2, h3, h4, h5, h6]
Usage
<script src="https://cdn.jsdelivr.net/npm/@leisn/[email protected]/dist/toc.min.js"></script>
<script>
// containerId is where to place toc
tocjs.make('containerId');
</script>Sample
<!DOCTYPE html>
<html>
<body>
<div id="toc-container"></div>
<article class="toc-scope">
<h1 id="top-head">top head</h1>
<!-- ...other headings -->
</article>
<script src="https://cdn.jsdelivr.net/npm/@leisn/[email protected]/dist/toc.min.js"></script>
<script>
// with full options
tocjs.use({
TocTag: "nav",
TocId: "toc",
TocClass: "toc",
ulClass: "toc-list",
liClass: "toc-item",
aClass: "toc-link",
// implements this to custom
HeadingGenerator:(info,path) => {
let id = info.Id;
let title = info.Title;
let element = info.Target;
//your code
return {Id: id, TitleInToc: title, TitleInHeading: undefinded};
}
}).make('toc-container', 'article.toc-scope');
</script>
</body>
</html>Functions
make(containerId ?: string, cssSelector ?: string, callback ?: MakeCallBack): tocjs;
containerId: nullable, the element id to place toc element, pass
undefinedif don't want to auto place. cssSelector: nullable, special scope to search headings, usequerySelectorAll, defaultdocument. callback: nullable, callback after toc generated, params(tocElement, tocOptions), you can do someting with toc element, notice if containerId was given the toc element already added in container.use(options: TocOptions | PluginFunc, ...pluginParams: any[]): tocjs; options:
not nulltype of function:
Invoke in
make, after generate toc ,before callback.toc: the generated toc element. options: the options used to generation. params: the arguments pass to function when invoke.
//PluginFunc: function (toc: HTMLElement, options: TocOptions, ...params: any[]): void;typeof object:
interface TocOptions { TocTag: string; // default 'nav', not null, Tag of generated toc element. TocId?: string; // nullable, Id of generated toc element. TocClass?: string; //nullable, Classes of generated toc element. ulClass?: string; // nullable, Classes of generated `ul` element. liClass?: string; // nullable, Classes of generated `li` element. aClass?: string; // nullable, Classes of generated `a` element. // nullable,Custom method to generate heading id and title, that to use build toc link or modify heading content (use innerHTML). HeadingGenerator?(headingInfo: HeadingInfo, Path: number[]): GenerateResult | undefined; }
HeadingGenerator?(headingInfo: HeadingInfo, Path: number[]): GenerateResult | undefined;:by default:
- If heading have id, always palace in toc, if no title use id as title, and not change title in heading.
- If heading have no id but title , generate id with the title.
- If heading have no id and no title , ignore it return undefined.
Path: The path of current heading, form top to current, start at 1.
HeadingInfo: The heading information of current heading.
interface HeadingInfo { // nullable, id in document element, default `Target.id` Id?: string; // nullable, content of heading element default `Target.(innerText || innerHTML)`. Title?: string; // not null, the heading element, e.g. `h2`. Target: HTMLElement; }return: The result of generated,
undefinedto ignore current heading.interface GenerateResult { // not null, the final id value to toc link and heading element id. // default (element.id || element.innerText) Id: string; // not null, the content in generated toc link. // default if Id!=undefined (element.innerText) TitleInToc: string; // nullable, the changed content of heading element (use innerHTML to change). // default undefined TitleInHeading?: string; }
useWatchScroll(currentClass: string = "current", activeClass?: string): tocjs;
v0.1.1 added
Use a watch scroll plugin to mark current toc item positon of document. currentClass :
not null, if null not happen. Class name for mark toc item is current, defaultcurrent. activeClass: nullable, Class name for mark current item and it's parent item, defaultundefined.
build
Notice: I use yarn v2.
$ git clone https://github.com/leisn/tocjs.git
$ cd tocjs
$ yarn install
$ yarn test
$ yarn build