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fast-html-checker

v1.1.0

Published

Quickly verify that your HTML text contains illegal content.

Downloads

11

Readme

快速开始

使用如下代码检查 HTML 内容:

const HTMLChecker = require('fast-html-checker')

const htmlContent = '<a href="https://kmar.top/"></a>'
const result = HTMLChecker.check(htmlContent, {
    allowTags: ['a']
})  // undefined

check 函数返回 undefined 时表示检查通过,不存在非法元素,若返回一个非空字符串则表示发现了非法元素,字符串内容用来标明非法的原因。

配置项

调用 check 时第二个参数为配置项:

export type CheckResult = string | undefined
export type ElementChecker = (element: HTMLElement) => CheckResult

export interface CheckerOptional {

    /** 允许的标签列表 */
    allowTags: (TagItemInfo | string)[],
    /** 元素内容检查器 */
    checkers?: {[propName: string]: ElementChecker}

}

export interface TagItemInfo {

    /** 标签名称 */
    name: string,
    /** 允许的 attr */
    allowAttrs: {
        [key: string]: ((content: string) => CheckResult) | undefined | null
    } | string[]

}

allowTags 的值为 string 类型时标明允许所有的 attr,传入 TagItemInfo 类型来对 attr 进行验证。

allowAttrs 中的 keyattr 的名称,value 为内容检查器,传入 undefinednull 表明允许任何内容。