diff --git a/src/lib/inject.ts b/src/lib/inject.ts index 97b5c7d..8d696f0 100644 --- a/src/lib/inject.ts +++ b/src/lib/inject.ts @@ -1,99 +1,99 @@ export const InjectContext = (content: string) => { - const tempDiv = document.createElement("div"); - tempDiv.innerHTML = content; + const tempDiv = document.createElement("div") + tempDiv.innerHTML = content - const INJECTION_MARK = "data-injected"; // 自定义属性标识 + const INJECTION_MARK = "data-injected" // 自定义属性标识 // 清理已有的注入资源 const cleanInjectedResources = () => { - document.querySelectorAll(`[${INJECTION_MARK}]`).forEach((node) => node.remove()); - }; + document.querySelectorAll(`[${INJECTION_MARK}]`).forEach((node) => node.remove()) + } const loadExternalScript = (scriptElement: HTMLScriptElement): Promise => { return new Promise((resolve, reject) => { - const script = document.createElement("script"); - script.src = scriptElement.src; - script.async = false; // 保持顺序执行 - script.setAttribute(INJECTION_MARK, "true"); // 添加标识 - script.onload = () => resolve(); - script.onerror = () => reject(new Error(`Failed to load script: ${scriptElement.src}`)); - document.head.appendChild(script); - }); - }; + const script = document.createElement("script") + script.src = scriptElement.src + script.async = false // 保持顺序执行 + script.setAttribute(INJECTION_MARK, "true") // 添加标识 + script.onload = () => resolve() + script.onerror = () => reject(new Error(`Failed to load script: ${scriptElement.src}`)) + document.head.appendChild(script) + }) + } const executeInlineScript = (scriptContent: string): Promise => { return new Promise((resolve) => { - const script = document.createElement("script"); - script.textContent = scriptContent; - script.setAttribute(INJECTION_MARK, "true"); // 添加标识 - document.body.appendChild(script); - resolve(); - }); - }; + const script = document.createElement("script") + script.textContent = scriptContent + script.setAttribute(INJECTION_MARK, "true") // 添加标识 + document.body.appendChild(script) + resolve() + }) + } const loadStyle = (styleElement: HTMLStyleElement): Promise => { return new Promise((resolve, reject) => { if ((styleElement as any).href) { // 处理 - const link = document.createElement("link"); - link.rel = "stylesheet"; - link.href = (styleElement as any).href; - link.setAttribute(INJECTION_MARK, "true"); // 添加标识 - link.onload = () => resolve(); - link.onerror = () => reject(new Error(`Failed to load stylesheet: ${link.href}`)); - document.head.appendChild(link); + const link = document.createElement("link") + link.rel = "stylesheet" + link.href = (styleElement as any).href + link.setAttribute(INJECTION_MARK, "true") // 添加标识 + link.onload = () => resolve() + link.onerror = () => reject(new Error(`Failed to load stylesheet: ${link.href}`)) + document.head.appendChild(link) } else { - const style = document.createElement("style"); - style.textContent = styleElement.textContent; - style.setAttribute(INJECTION_MARK, "true"); // 添加标识 - document.head.appendChild(style); - resolve(); + const style = document.createElement("style") + style.textContent = styleElement.textContent + style.setAttribute(INJECTION_MARK, "true") // 添加标识 + document.head.appendChild(style) + resolve() } - }); - }; + }) + } const handlers: { [key: string]: (element: HTMLElement) => Promise } = { SCRIPT: (element) => { - const scriptElement = element as HTMLScriptElement; + const scriptElement = element as HTMLScriptElement if (scriptElement.src) { // 加载外部脚本 - return loadExternalScript(scriptElement); + return loadExternalScript(scriptElement) } else { // 执行内联脚本 - return executeInlineScript(scriptElement.textContent || ""); + return executeInlineScript(scriptElement.textContent || "") } }, STYLE: (element) => loadStyle(element as HTMLStyleElement), META: (element) => { - const meta = element.cloneNode(true) as HTMLElement; - meta.setAttribute(INJECTION_MARK, "true"); // 添加标识 - document.head.appendChild(meta); // 将 meta 标签插入到 - return Promise.resolve(); + const meta = element.cloneNode(true) as HTMLElement + meta.setAttribute(INJECTION_MARK, "true") // 添加标识 + document.head.appendChild(meta) // 将 meta 标签插入到 + return Promise.resolve() }, DEFAULT: (element) => { - element.setAttribute(INJECTION_MARK, "true"); // 添加标识 - document.body.appendChild(element); - return Promise.resolve(); + element.setAttribute(INJECTION_MARK, "true") // 添加标识 + document.body.appendChild(element) + return Promise.resolve() }, - }; + } // 开始注入前清理已有资源 - cleanInjectedResources(); + cleanInjectedResources() const executeSequentially = async () => { for (const node of Array.from(tempDiv.childNodes)) { if (node.nodeType === Node.ELEMENT_NODE) { - const element = node as HTMLElement; - const handler = handlers[element.tagName] || handlers.DEFAULT; - await handler(element); // 按顺序等待当前脚本或资源完成处理 + const element = node as HTMLElement + const handler = handlers[element.tagName] || handlers.DEFAULT + await handler(element) // 按顺序等待当前脚本或资源完成处理 } else if (node.nodeType === Node.TEXT_NODE) { - document.body.appendChild(document.createTextNode(node.textContent || "")); + document.body.appendChild(document.createTextNode(node.textContent || "")) } } - console.log("All resources have been injected and executed in sequence."); - }; + console.log("All resources have been injected and executed in sequence.") + } return executeSequentially().catch((error) => { - console.error("Error during resource injection:", error); - }); -}; \ No newline at end of file + console.error("Error during resource injection:", error) + }) +}