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/372862/635449/libReplaceText.js
// ==UserScript==
// @name libReplaceText
// @namespace https://github.com/lzghzr/TampermonkeyJS
// @version 0.0.5
// @author lzghzr
// @description 替换网页内文本, 达到本地化的目的
// @license MIT
// @grant none
// @run-at document-start
// ==/UserScript==
const W = typeof unsafeWindow === 'undefined' ? window : unsafeWindow;
class ReplaceText {
constructor(i18n, mode = 'equal') {
this.done = new Set();
this.alert = W.alert.bind(W);
this.confirm = W.confirm.bind(W);
this.prompt = W.prompt.bind(W);
const i18nMap = new Map(i18n);
const i18nArr = i18n.map(value => value[0]);
if (mode === 'regexp') {
this.textReplace = (text) => {
if (i18nMap.has(text))
text = i18nMap.get(text);
else {
const key = i18nArr.find(key => (key instanceof RegExp && text.match(key) !== null));
if (key !== undefined)
text = text.replace(key, i18nMap.get(key));
}
return text;
};
}
else if (mode === 'match') {
this.textReplace = (text) => {
const key = i18nArr.find(key => (text.match(key) !== null));
if (key !== undefined)
text = text.replace(key, i18nMap.get(key));
return text;
};
}
else {
this.textReplace = (text) => {
if (i18nMap.has(text))
text = i18nMap.get(text);
return text;
};
}
this.replaceAlert();
this.replaceObserver();
}
replaceAlert() {
W.alert = (message) => this.alert(this.textReplace(message));
W.confirm = (message) => this.confirm(this.textReplace(message));
W.prompt = (message, _default) => this.prompt(this.textReplace(message), _default);
}
replaceNode(node) {
this.nodeForEach(node).forEach(textNode => {
if (textNode instanceof Text) {
const newText = this.textReplace(textNode.data);
if (textNode.data !== newText) {
this.done.add(newText);
textNode.data = newText;
}
}
else if (textNode instanceof HTMLInputElement) {
if (textNode.type === 'button') {
const newText = this.textReplace(textNode.value);
if (textNode.value !== newText) {
this.done.add(newText);
textNode.value = newText;
}
}
else if (textNode.type === 'text' || textNode.type === 'search') {
const newText = this.textReplace(textNode.placeholder);
if (textNode.placeholder !== newText) {
this.done.add(newText);
textNode.placeholder = newText;
}
}
}
});
}
replaceObserver() {
const bodyObserver = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.type === 'attributes') {
const t = mutation.target;
if (t instanceof HTMLInputElement) {
if (t.type === 'button' && !this.done.has(t.value))
this.replaceNode(t);
else if (t.type === 'text' || t.type === 'search' && !this.done.has(t.placeholder))
this.replaceNode(t);
}
}
else if (mutation.type === 'characterData') {
const t = mutation.target;
if (t instanceof Text && !this.done.has(t.data))
this.replaceNode(t);
}
else if (mutation.type === 'childList') {
mutation.addedNodes.forEach(addedNode => {
this.replaceNode(addedNode);
});
}
});
});
let load = false;
document.addEventListener('readystatechange', () => {
if (!load) {
load = true;
bodyObserver.observe(document.body, { attributes: true, characterData: true, childList: true, subtree: true });
this.replaceNode(document.body);
}
}, { capture: true });
}
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;
}
}