在什么值得买搜索页面、首页及关注动态等页面，自动计算单价
// ==UserScript==
// @name 什么值得买 自动计算单价
// @namespace leizingyiu.net
// @version 2022.08.07
// @description 在什么值得买搜索页面、首页及关注动态等页面，自动计算单价
// @icon https://www.smzdm.com/favicon.ico
// @author Leizingyiu
// @include *://search.smzdm.com/*
// @include *://www.smzdm.com/
// @include *://www.smzdm.com/#follow
// @include *://wiki.smzdm.com/*
// @grant GM_setValue
// @grant GM_getValue
// @license GNU AGPLv3
//
// ==/UserScript==
function checkAndSetLocalValue(key, value) {
const checking_local_reagent = "___";
if (GM_getValue(key, checking_local_reagent) == checking_local_reagent) {
GM_setValue(key, value);
} else {
GM_setValue("备份_" + key, GM_getValue(key));
}
}
const checking_local_reagent = "___",
local_words_key = "请填写需要计算的关键字",
default_words = "包 条 个 袋 杯 枚 颗 罐 公斤 斤 两 盒 桶";
checkAndSetLocalValue(local_words_key, default_words);
var words = GM_getValue(local_words_key, default_words)
.split(/\s{1,}/)
.filter((a) => Boolean(a)),
wordsReg = new RegExp(
"\\d[\\d\\.]*s*(" +
(words.map((word) => `(${word})`).join("|") + ")\\s*(\\*\\d{1,})*")
),
textReplaceReg = /(\([^\)]*\))|(\[[^\]]*\])|(「[^」]*」)|(（[^）]*）)/g,
priceReg = /\d[\d.]*\s*(?=元)/,
gramReg =
/\d[\d.]*\s*(([千克]{1,})|(((kg)|(KG)|(Kg)|(g)|(G)){1,}))\s*(\*\d{1,})*/,
volReg = /\d[\d.]*\s*(([毫升]{1,})|((L)|(ml)|(ML){1,}))\s*(\*\d{1,})*/,
loadingWaitTime = 1000;
const default_conditions = {
"挂面 面条": {
"大于": "",
"小于": "6",
"单位": "kg"
},
}, local_conditions_key = "高亮条件";
checkAndSetLocalValue(local_conditions_key, default_conditions);
const localConditions = GM_getValue(local_conditions_key, default_conditions);
const hiliConditions = Object.keys(localConditions).map(k => {
let O = localConditions[k], o = {};
o.match = typeof k == 'string' ? new RegExp('(' + k.split(/\s{1,}/).filter((a) => Boolean(a)).map((word) => `(${word})`).join("|") + ')') : (k instanceof RegExp ? condition.match : '');
if (o.match === '') { return false; };
const dict = {
"大于": "moreThan",
"小于": "lessThan",
"单位": "unit"
};
["大于", "小于", "单位"].map(_k => {
if (O.hasOwnProperty(_k) && O[_k] != "" && (O[_k].match(/\S/))) { o[dict[_k]] = O[_k].match(/[^\d]/g) ? O[_k] : Number(O[_k]) }
});
return o;
}).filter(Boolean);
const default_less_style = 'background:#dcf9d7;', default_more_style = 'background:#fde9f0;',
local_less_key = '低于价格高亮样式', local_more_key = '高于价格高亮样式';
checkAndSetLocalValue(local_less_key, default_less_style);
checkAndSetLocalValue(local_more_key, default_more_style);
const local_less_value = GM_getValue(local_less_key, default_less_style),
local_more_value = GM_getValue(local_more_key, default_more_style);
const lessThanClass = 'yiu_lessthan', moreThanClass = 'yiu_morethan';
let yiuUnitPriceStyle = document.createElement('style');
yiuUnitPriceStyle.id = 'yiu_unit_price_style';
yiuUnitPriceStyle.innerHTML = `
.yiu_price{ float : right!important; }
.yiu_lessthan .yiu_price{ ${local_less_value} }
.yiu_morethan .yiu_price{ ${local_more_value} }
`;
document.querySelector('body').appendChild(yiuUnitPriceStyle);
function smzdm_unitPrice() {
var isFollow = window.location.href.indexOf("#follow") != -1,
isHomePage =
window.location.hostname == "www.smzdm.com" &&
window.location.href.indexOf("#follow") == -1,
isSearch = window.location.hostname.indexOf("search") != -1;
var selector = "";
switch (true) {
case isHomePage:
selector = "#feed-main-list .has-price";
break;
case isSearch:
selector = "#feed-main-list h5.feed-block-title";
break;
case isFollow:
selector = "#follow-list h5.feed-block-title";
break;
default:
selector = "h5.feed-block-title";
}
[...document.querySelectorAll(selector)]
.filter((dom) => !dom.hasAttribute("yiu_price_calculated"))
.map(function (dom) {
var priceDom = isHomePage
? dom.parentElement.querySelector(".z-highlight")
: dom.querySelector(".z-highlight"),
pre_text = isHomePage
? dom.innerText + "\n" + priceDom.innerText
: dom.innerText,
text = pre_text.replace(textReplaceReg, ""),
price = text.match(priceReg),
gram = text.match(gramReg),
vol = text.match(volReg);
var otherUnit = text.match(wordsReg);
var unit = "",
num = 0,
priceText = "",
priceKg,
priceL,
priceU;
if (price == null || (gram == null && vol == null && otherUnit == null)) {
priceText = "--";
} else {
price = Number(price[0]);
if (gram != null) {
gram = Number(
eval(gram[0].replace(/[克gG]/g, "").replace(/[kK千]/, "*1000"))
);
priceKg = (price / gram) * 1000;
priceText += priceKg.toFixed(2) + "/kg";
}
if (vol != null) {
vol = Number(
eval(vol[0].replace(/[升lL]/g, "").replace(/[毫mM]/, "/1000"))
);
priceL = price / vol;
priceText = (gram != null ? " | " : "") + priceL.toFixed(2) + "/L";
}
if (otherUnit != null) {
num = Number(otherUnit[0].match(/\d*/));
unit = otherUnit[0].replace(/\d*/, "");
priceU = price / num;
priceText +=
(gram != null || vol != null ? " | " : "") +
priceU.toFixed(2) +
"/" +
unit;
if (unit == "斤") {
priceKg = (priceU * 2).toFixed(2)
priceText += " | " + priceKg + "/kg";
}
if (unit == "两") {
priceKg = (priceU * 20).toFixed(2);
priceText += " | " + priceKg + "/kg";
}
}
if (priceText == "") {
priceText += "___";
}
switch (true) {
case priceText.indexOf('/kg') != -1:
dom.setAttribute('data-kg', priceKg)
break;
case priceText.indexOf('/L') != -1:
dom.setAttribute('data-L', priceL);
break;
default:
dom.setAttribute('data-price', priceU);
}
}
hiliConditions.map(condition => {
if (text.match(condition.match)) {
let _price = '';
if (condition.hasOwnProperty('unit')) {
_price = dom.hasAttribute(`data-${condition.unit}`) ? dom.getAttribute(`data-${condition.unit}`) : '';
} else {
_price = dom.getAttribute('data-price');
}
if (_price == '') { return false; }
if (condition.hasOwnProperty('lessThan') && _price < condition.lessThan) { dom.classList.add(lessThanClass); }
if (condition.hasOwnProperty('moreThan') && _price < condition.moreThan) { dom.classList.add(moreThanClass); }
}
});
priceDom.style.display = "block";
if (isSearch) {
priceDom.parentElement.style.width = "100%";
}
var span = document.createElement("span");
span.classList.add('yiu_price');
span.innerText = priceText;
priceDom.appendChild(span);
dom.setAttribute("yiu_price_calculated", true);
});
}
const promiseIt = function (fn) {
return new Promise((resolve, reject) => {
fn();
resolve();
});
};
var timer = null;
const targetNode = document.querySelector("body"),
config = { attributes: true, childList: true, subtree: true },
callback = function (mutationsList, observer) {
observer.disconnect();
for (let mutation of mutationsList) {
promiseIt(() => {
smzdm_unitPrice();
});
}
timer = timer
? null
: setTimeout(() => {
observer.disconnect();
promiseIt(() => {
smzdm_unitPrice();
});
timer = null;
observer.observe(targetNode, config);
}, loadingWaitTime);
},
observer = new MutationObserver(callback);
observer.observe(targetNode, config);