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venera/doc/js_api.md
2025-01-20 19:06:20 +08:00

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# Javascript API
## Overview
The Javascript API is a set of functions that used to interact application.
There are following parts in the API:
- [Convert](#Convert)
- [Network](#Network)
- [Html](#Html)
- [UI](#UI)
- [Utils](#Utils)
- [Types](#Types)
## Convert
Convert is a set of functions that used to convert data between different types.
### `Convert.encodeUtf8(str: string): ArrayBuffer`
Convert a string to an ArrayBuffer.
### `Convert.decodeUtf8(value: ArrayBuffer): string`
Convert an ArrayBuffer to a string.
### `Convert.encodeBase64(value: ArrayBuffer): string`
Convert an ArrayBuffer to a base64 string.
### `Convert.decodeBase64(value: string): ArrayBuffer`
Convert a base64 string to an ArrayBuffer.
### `Convert.md5(value: ArrayBuffer): ArrayBuffer`
Calculate the md5 hash of an ArrayBuffer.
### `Convert.sha1(value: ArrayBuffer): ArrayBuffer`
Calculate the sha1 hash of an ArrayBuffer.
### `Convert.sha256(value: ArrayBuffer): ArrayBuffer`
Calculate the sha256 hash of an ArrayBuffer.
### `Convert.sha512(value: ArrayBuffer): ArrayBuffer`
Calculate the sha512 hash of an ArrayBuffer.
### `Convert.hmac(key: ArrayBuffer, value: ArrayBuffer, hash: string): ArrayBuffer`
Calculate the hmac hash of an ArrayBuffer.
### `Convert.hmacString(key: ArrayBuffer, value: ArrayBuffer, hash: string): string`
Calculate the hmac hash of an ArrayBuffer and return a string.
### `Convert.decryptAesEcb(value: ArrayBuffer, key: ArrayBuffer): ArrayBuffer`
Decrypt an ArrayBuffer with AES ECB mode.
### `Convert.decryptAesCbc(value: ArrayBuffer, key: ArrayBuffer, iv: ArrayBuffer): ArrayBuffer`
Decrypt an ArrayBuffer with AES CBC mode.
### `Convert.decryptAesCfb(value: ArrayBuffer, key: ArrayBuffer, iv: ArrayBuffer): ArrayBuffer`
Decrypt an ArrayBuffer with AES CFB mode.
### `Convert.decryptAesOfb(value: ArrayBuffer, key: ArrayBuffer, iv: ArrayBuffer): ArrayBuffer`
Decrypt an ArrayBuffer with AES OFB mode.
### `Convert.decryptRsa(value: ArrayBuffer, key: ArrayBuffer): ArrayBuffer`
Decrypt an ArrayBuffer with RSA.
### `Convert.hexEncode(value: ArrayBuffer): string`
Convert an ArrayBuffer to a hex string.
## Network
Network is a set of functions that used to send network requests and manage network resources.
### `Network.fetchBytes(method: string, url: string, headers: object, data: ArrayBuffer): Promise<{status: number, headers: object, body: ArrayBuffer}>`
Send a network request and return the response as an ArrayBuffer.
### `Network.sendRequest(method: string, url: string, headers: object, data: ArrayBuffer): Promise<{status: number, headers: object, body: string}>`
Send a network request and return the response as a string.
### `Network.get(url: string, headers: object): Promise<{status: number, headers: object, body: string}>`
Send a GET request and return the response as a string.
### `Network.post(url: string, headers: object, data: ArrayBuffer): Promise<{status: number, headers: object, body: string}>`
Send a POST request and return the response as a string.
### `Network.put(url: string, headers: object, data: ArrayBuffer): Promise<{status: number, headers: object, body: string}>`
Send a PUT request and return the response as a string.
### `Network.delete(url: string, headers: object): Promise<{status: number, headers: object, body: string}>`
Send a DELETE request and return the response as a string.
### `Network.patch(url: string, headers: object, data: ArrayBuffer): Promise<{status: number, headers: object, body: string}>`
Send a PATCH request and return the response as a string.
### `Network.setCookies(url: string, cookies: Cookie[]): void`
Set cookies for a specific url.
### `Network.getCookies(url: string): Cookie[]`
Get cookies for a specific url.
### `Network.deleteCookies(url: string): void`
Delete cookies for a specific url.
### `fetch`
The fetch function is a wrapper of the `Network.fetchBytes` function. Same as the `fetch` function in the browser.
## Html
Api for parsing HTML.
### `new HtmlDocument(html: string): HtmlDocument`
Create a HtmlDocument object from a html string.
### `HtmlDocument.querySelector(selector: string): HtmlElement`
Find the first element that matches the selector.
### `HtmlDocument.querySelectorAll(selector: string): HtmlElement[]`
Find all elements that match the selector.
### `HtmlDocument.getElementById(id: string): HtmlElement`
Find the element with the id.
### `HtmlDocument.dispose(): void`
Dispose the HtmlDocument object.
### `HtmlElement.querySelector(selector: string): HtmlElement`
Find the first element that matches the selector.
### `HtmlElement.querySelectorAll(selector: string): HtmlElement[]`
Find all elements that match the selector.
### `HtmlElement.getElementById(id: string): HtmlElement`
Find the element with the id.
### `get HtmlElement.text(): string`
Get the text content of the element.
### `get HtmlElement.attributes(): object`
Get the attributes of the element.
### `get HtmlElement.children(): HtmlElement[]`
Get the children
### `get HtmlElement.nodes(): HtmlNode[]`
Get the child nodes
### `get HtmlElement.parent(): HtmlElement | null`
Get the parent element
### `get HtmlElement.innerHtml(): string`
Get the inner html
### `get HtmlElement.classNames(): string[]`
Get the class names
### `get HtmlElement.id(): string | null`
Get the id
### `get HtmlElement.localName(): string`
Get the local name
### `get HtmlElement.previousSibling(): HtmlElement | null`
Get the previous sibling
### `get HtmlElement.nextSibling(): HtmlElement | null`
Get the next sibling
### `get HtmlNode.type(): string`
Get the node type ("text", "element", "comment", "document", "unknown")
### `HtmlNode.toElement(): HtmlElement | null`
Convert the node to an element
### `get HtmlNode.text(): string`
Get the text content of the node
## UI
### `UI.showMessage(message: string): void`
Show a message.
### `UI.showDialog(title: string, content: string, actions: {text: string, callback: () => void | Promise<void>, style: "text"|"filled"|"danger"}[]): void`
Show a dialog. Any action will close the dialog.
### `UI.launchUrl(url: string): void`
Open a url in external browser.
### `UI.showLoading(onCancel: () => void | null | undefined): number`
Show a loading dialog.
### `UI.cancelLoading(id: number): void`
Cancel a loading dialog.
### `UI.showInputDialog(title: string, validator: (string) => string | null | undefined): string | null`
Show an input dialog.
### `UI.showSelectDialog(title: string, options: string[], initialIndex?: number): number | null`
Show a select dialog.
## Utils
### `createUuid(): string`
create a time-based uuid.
### `randomInt(min: number, max: number): number`
Generate a random integer between min and max.
### `randomDouble(min: number, max: number): number`
Generate a random double between min and max.
### console
Send log to application console. Same api as the browser console.
## Types
### `Cookie`
```javascript
/**
* Create a cookie object.
* @param name {string}
* @param value {string}
* @param domain {string}
* @constructor
*/
function Cookie({name, value, domain}) {
this.name = name;
this.value = value;
this.domain = domain;
}
```
### `Comic`
```javascript
/**
* Create a comic object
* @param id {string}
* @param title {string}
* @param subtitle {string}
* @param subTitle {string} - equal to subtitle
* @param cover {string}
* @param tags {string[]}
* @param description {string}
* @param maxPage {number?}
* @param language {string?}
* @param favoriteId {string?} - Only set this field if the comic is from favorites page
* @param stars {number?} - 0-5, double
* @constructor
*/
function Comic({id, title, subtitle, subTitle, cover, tags, description, maxPage, language, favoriteId, stars}) {
this.id = id;
this.title = title;
this.subtitle = subtitle;
this.subTitle = subTitle;
this.cover = cover;
this.tags = tags;
this.description = description;
this.maxPage = maxPage;
this.language = language;
this.favoriteId = favoriteId;
this.stars = stars;
}
```
### `ComicDetails`
```javascript
/**
* Create a comic details object
* @param title {string}
* @param subtitle {string}
* @param subTitle {string} - equal to subtitle
* @param cover {string}
* @param description {string?}
* @param tags {Map<string, string[]> | {} | null | undefined}
* @param chapters {Map<string, string> | {} | null | undefined} - key: chapter id, value: chapter title
* @param isFavorite {boolean | null | undefined} - favorite status. If the comic source supports multiple folders, this field should be null
* @param subId {string?} - a param which is passed to comments api
* @param thumbnails {string[]?} - for multiple page thumbnails, set this to null, and use `loadThumbnails` api to load thumbnails
* @param recommend {Comic[]?} - related comics
* @param commentCount {number?}
* @param likesCount {number?}
* @param isLiked {boolean?}
* @param uploader {string?}
* @param updateTime {string?}
* @param uploadTime {string?}
* @param url {string?}
* @param stars {number?} - 0-5, double
* @param maxPage {number?}
* @param comments {Comment[]?}- `since 1.0.7` App will display comments in the details page.
* @constructor
*/
function ComicDetails({title, subtitle, subTitle, cover, description, tags, chapters, isFavorite, subId, thumbnails, recommend, commentCount, likesCount, isLiked, uploader, updateTime, uploadTime, url, stars, maxPage, comments}) {
this.title = title;
this.subtitle = subtitle ?? subTitle;
this.cover = cover;
this.description = description;
this.tags = tags;
this.chapters = chapters;
this.isFavorite = isFavorite;
this.subId = subId;
this.thumbnails = thumbnails;
this.recommend = recommend;
this.commentCount = commentCount;
this.likesCount = likesCount;
this.isLiked = isLiked;
this.uploader = uploader;
this.updateTime = updateTime;
this.uploadTime = uploadTime;
this.url = url;
this.stars = stars;
this.maxPage = maxPage;
this.comments = comments;
}
```
### `Comment`
```javascript
/**
* Create a comment object
* @param userName {string}
* @param avatar {string?}
* @param content {string}
* @param time {string?}
* @param replyCount {number?}
* @param id {string?}
* @param isLiked {boolean?}
* @param score {number?}
* @param voteStatus {number?} - 1: upvote, -1: downvote, 0: none
* @constructor
*/
function Comment({userName, avatar, content, time, replyCount, id, isLiked, score, voteStatus}) {
this.userName = userName;
this.avatar = avatar;
this.content = content;
this.time = time;
this.replyCount = replyCount;
this.id = id;
this.isLiked = isLiked;
this.score = score;
this.voteStatus = voteStatus;
}
```
### `ImageLoadingConfig`
```javascript
/**
* Create image loading config
* @param url {string?}
* @param method {string?} - http method, uppercase
* @param data {any} - request data, may be null
* @param headers {Object?} - request headers
* @param onResponse {((ArrayBuffer) => ArrayBuffer)?} - modify response data
* @param modifyImage {string?}
* A js script string.
* The script will be executed in a new Isolate.
* A function named `modifyImage` should be defined in the script, which receives an [Image] as the only argument, and returns an [Image]..
* @param onLoadFailed {(() => ImageLoadingConfig)?} - called when the image loading failed
* @constructor
* @since 1.0.5
*
* To keep the compatibility with the old version, do not use the constructor. Consider creating a new object with the properties directly.
*/
function ImageLoadingConfig({url, method, data, headers, onResponse, modifyImage, onLoadFailed}) {
this.url = url;
this.method = method;
this.data = data;
this.headers = headers;
this.onResponse = onResponse;
this.modifyImage = modifyImage;
this.onLoadFailed = onLoadFailed;
}
```
### `ComicSource`
```javascript
class ComicSource {
name = ""
key = ""
version = ""
minAppVersion = ""
url = ""
/**
* load data with its key
* @param {string} dataKey
* @returns {any}
*/
loadData(dataKey) {
return sendMessage({
method: 'load_data',
key: this.key,
data_key: dataKey
})
}
/**
* load a setting with its key
* @param key {string}
* @returns {any}
*/
loadSetting(key) {
return sendMessage({
method: 'load_setting',
key: this.key,
setting_key: key
})
}
/**
* save data
* @param {string} dataKey
* @param data
*/
saveData(dataKey, data) {
return sendMessage({
method: 'save_data',
key: this.key,
data_key: dataKey,
data: data
})
}
/**
* delete data
* @param {string} dataKey
*/
deleteData(dataKey) {
return sendMessage({
method: 'delete_data',
key: this.key,
data_key: dataKey,
})
}
/**
*
* @returns {boolean}
*/
get isLogged() {
return sendMessage({
method: 'isLogged',
key: this.key,
});
}
init() { }
static sources = {}
}
```