Client API

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Client API

Waline provides three APIs:

  • init: Initialize Waline

  • commentCount: Count comments

  • pageviewCount: Count pageviews

As well as:

  • RecentComment: Waline recent comments widget

  • UserList: User List

  • version: Waline client version

init

The init API accepts a WalineInitOptions options and returns a WalineInstance.

Type:

const init: (options: WalineInitOptions) => WalineInstance;

Return:

interface WalineInstance {
  /**
   * Element where Waline is mounted
   *
   * @description when initialized with `el: null`, it will be `null`
   */
  el: HTMLElement | null;

  /**
   * Update Waline instance
   *
   * @description when not setting `path` option, it will be reset to `window.location.pathname`
   */
  update: (newOptions?: Partial<Omit<WalineInitOptions, 'el'>>) => void;

  /**
   * Unmount and destroy Waline instance
   */
  destroy: () => void;
}

The initialization options accept all Waline Component Props, in addition, the following options are added.

el

  • Type: string | HTMLElement | null
  • Default: '#waline'

The DOM element to be mounted on initialization. It must be a valid CSS selector string or HTMLElement Object.

If you only want the counter below, set this option to null.

comment

  • Type: boolean | string
  • Default: false

Article comment count counter, when filled in a string, it will be used as a CSS selector.

pageview

  • Type: boolean | string
  • Default: false

Pageview counter. When filled in a string, it will be used as a CSS selector.

commentCount

The commentCount function receives the WalineCommentCountOptions option and updates the number of article comments on the page, and returns a function WalineAbort that can cancel the current operation.

Type:

const commentCount: (options: WalineCommentCountOptions) => WalineAbort;

Options:

interface WalineCommentCountOptions {
  /**
   * Waline server url
   */
  serverURL: string;

  /**
   * Comment count CSS selector
   *
   * @default '.waline-comment-count'
   */
  selector?: string;

  /**
   * Path to be fetched by default
   *
   * @default window.location.pathname
   */
  path?: string;
}

Returns:

type WalineAbort = (reason?: any) => void;

pageviewCount

The pageviewCount function receives the WalinePageviewCountOptions option and updates the number of article comments on the page, and returns a function WalineAbort that can cancel the current operation.

Type:

const pageviewCount: (options: WalinePageviewCountOptions) => WalineAbort;

Options:

interface WalinePageviewCountOptions {
  /**
   * Waline server url
   */
  serverURL: string;

  /**
   * Pageview CSS selector
   *
   * @default '.waline-pageview-count'
   */
  selector?: string;

  /**
   * Path to be fetched and updated
   *
   * @default window.location.pathname
   */
  path?: string;

  /**
   * Whether update pageviews when fetching path result
   *
   * @default true
   */
  update?: boolean;
}

Returns:

type WalineAbort = (reason?: any) => void;

Widgets

RecentComments

RecentComments is a widget displaying recent comments.

Type:

const RecentComments: (
  options: WalineRecentCommentsOptions
) => Promise<WalineRecentCommentsResult>;

Options:

interface WalineRecentCommentsOptions {
  /**
   * Waline serverURL
   */
  serverURL: string;

  /**
   * fetch number of latest comments
   */
  count: number;

  /**
   * Element to be mounted
   */
  el?: string | HTMLElement;
}

Returns:

interface WalineRecentCommentsResult {
  /**
   * Comment Data
   */
  comments: WalineComment[];

  /**
   * Umount widget
   */
  destroy: () => void;
}

UserList

UserList is a widget that displays user interaction leader boards or comment walls.

Type:

const RecentComments: (
  options: WalineRecentCommentsOptions
) => Promise<WalineRecentCommentsResult>;

Options:

interface WalineUserListOptions {
  /**
   * Waline serverURL
   */
  serverURL: string;

  /**
   * fetch number of user list
   */
  count: number;

  /**
   * Element to be mounted
   */
  el?: string | HTMLElement;

  /**
   * Language of error message
   *
   * @default 'zh-CN'
   */
  lang?: string;

  /**
   * Custom display language in waline
   *
   * @see [I18n](https://waline.js.org/en/client/i18n.html)
   */
  locale?: WalineLocale;

  /**
   * list mode or avatar wall mode
   */
  mode: 'list' | 'wall';
}

Returns:

interface WalineUserListResult {
  /**
   * User Data
   */
  users: WalineUser[];

  /**
   * Umount widget
   */
  destroy: () => void;
}
TIPS: The comment area is only for demo. If you have any questions, please go to Github Discussion to ask.
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