我可以从扩展程序的 JavaScript 文件中的 manifest.json 访问属性吗？
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Can I access a property from my manifest.json in my extension's JavaScript files?
提问by bittersweetryan
I'd like to refer to the version number as defined in my manifest.jsonin my extension's JavaScript files.
我想参考我manifest.json在扩展的 JavaScript 文件中定义的版本号。
Is there any way to do this?
有没有办法做到这一点？
回答by Konstantin Smolyanin
Since chrome 22 you should use chrome.runtime.getManifest(). See docs here.
从 chrome 22 开始，您应该使用chrome.runtime.getManifest(). 请参阅此处的文档。
So now it is as simple as:
所以现在它很简单：
var manifest = chrome.runtime.getManifest();
console.log(manifest.name);
console.log(manifest.version);
回答by sanbor
I think that this is what you're looking for http://www.martinsikora.com/accessing-manifest-json-in-a-google-chrome-extension
我认为这就是你正在寻找的http://www.martinsikora.com/accessing-manifest-json-in-a-google-chrome-extension
chrome.manifest = (function() {
var manifestObject = false;
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
manifestObject = JSON.parse(xhr.responseText);
}
};
xhr.open("GET", chrome.extension.getURL('/manifest.json'), false);
try {
xhr.send();
} catch(e) {
console.log('Couldn\'t load manifest.json');
}
return manifestObject;
})();
And that's all. This short code snippet loads manifest object and put's it among other chrome.*APIs. So, now you can get any information you want:
就这样。这个简短的代码片段加载清单对象并将其放在其他chrome.*API 中。所以，现在你可以获得任何你想要的信息：
// current version
chrome.manifest.version
// default locale
chrome.manifest.default_locale
