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替换网页内文本, 达到本地化的目的
Version vom
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/372862/634004/libReplaceText.js
// ==UserScript==
// @name libReplaceText
// @namespace https://github.com/lzghzr/TampermonkeyJS
// @version 0.0.1
// @author lzghzr
// @description 替换网页内文本, 达到本地化的目的
// @grant none
// @run-at document-end
// ==/UserScript==
const W = typeof unsafeWindow === 'undefined' ? window : unsafeWindow;
class ReplaceText {
constructor(i18n) {
this.alert = W.alert.bind(W);
this.confirm = W.confirm.bind(W);
this.prompt = W.prompt.bind(W);
this.i18n = new Map(i18n);
const bodyObserver = new MutationObserver(mutations => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(addedNode => this.replaceText(addedNode));
});
});
bodyObserver.observe(document.body, { childList: true, subtree: true });
this.replaceAlert();
this.replaceText(document.body);
}
replaceAlert() {
W.alert = (message) => {
if (this.i18n.has(message))
message = this.i18n.get(message);
return this.alert(message);
};
W.confirm = (message) => {
if (this.i18n.has(message))
message = this.i18n.get(message);
return this.confirm(message);
};
W.prompt = (message, _default) => {
if (this.i18n.has(message))
message = this.i18n.get(message);
return this.prompt(message, _default);
};
}
replaceText(node) {
this.nodeForEach(node).forEach(textNode => {
if (textNode instanceof Text && this.i18n.has(textNode.data))
textNode.data = this.i18n.get(textNode.data);
else if (textNode instanceof HTMLInputElement) {
if (textNode.type === 'button' && this.i18n.has(textNode.value))
textNode.value = this.i18n.get(textNode.value);
else if (textNode.type === 'text' && this.i18n.has(textNode.placeholder))
textNode.placeholder = this.i18n.get(textNode.placeholder);
}
});
}
nodeForEach(node) {
const list = [];
if (node.childNodes.length === 0)
list.push(node);
else {
node.childNodes.forEach(child => {
if (child.childNodes.length === 0)
list.push(child);
else
list.push(...this.nodeForEach(child));
});
}
return list;
}
}