清单V3:"web_accessible_resources的无效值"或“必须列出资源"错误

问题描述

这是我第一次尝试编写Chrome扩展程序.我在 manifest.json 中添加了"web_accessible_resources":["images/icon.png"] ，因为我想从内容脚本访问该图像.添加此行后，出现错误"web_accessible_resources [0]的无效值".无法加载清单."我已检查以确保文件路径正确，否则我可能在哪里出错?感谢您的帮助.

This is my first attempt writing a Chrome extension. I added "web_accessible_resources": ["images/icon.png"] to manifest.json because I wanted to access the image from content script. After adding this line, I got the error "Invalid value for 'web_accessible_resources[0]'.Could not load manifest." I have checked to make sure the file path is correct, where else could I be wrong?Any help is appreciated.

{
    "name": "Bookmark Checker",
    "version": "1.0",
    "manifest_version": 3,
    "permissions": [
        "bookmarks",
        "activeTab"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches":["https://www.google.com/search?*"],
            "js": ["content/content.js"]
        }
    ],
    ...
    "web_accessible_resources": ["images/icon.png"]
}

推荐答案

清单V3中 web_accessible_resources 的语法已更改:

The syntax for web_accessible_resources in Manifest V3 has changed:

"web_accessible_resources": [{ 
  "resources": ["/images/icon.png"],
  "matches": ["<all_urls>"]
}]

matches 键必须指定从Chrome 89开始公开这些资源的位置.

The matches key must specify where to expose these resources since Chrome 89.

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