Hides user reviews based on likes to dislikes ratio
// ==UserScript==
// @name AliExpress: hide useless reviews
// @description Hides user reviews based on likes to dislikes ratio
//
// @name:ru AliExpress: скрыть бесполезные отзывы
// @description:ru Скрывает пользовательские отзывы по соотношению лайков к дизлайкам
//
// @author Konf
// @version 1.0.1
// @namespace https://greasyfork.org/users/424058
// @icon https://t1.gstatic.com/faviconV2?client=SOCIAL&url=http://aliexpress.com&size=32
// @include /^https:\/\/aliexpress\.ru\/item\/.+/
// @include /^https:\/\/feedback\.aliexpress\.com\/display\/productEvaluation\.htm.*/
// @require https://cdnjs.cloudflare.com/ajax/libs/arrive/2.4.1/arrive.min.js
// @compatible Chrome
// @compatible Opera
// @compatible Firefox
// @run-at document-body
// ==/UserScript==
/**
* Hi! Don't change (or even resave) anything here because
* by doing this in Tampermonkey you will turn off updates
* of the script (idk about other script managers).
* This could be restored in settings but it might be hard to find,
* so better to reinstall the script if you're not sure
*/
/* jshint esversion: 6 */
/* global Arrive */
(function() {
'use strict';
/**
* 0 - disabled
* 1+ - console.warns
* 2+ - visual stuff
* 3 - alerts
*/
const DEBUG_LVL = GM_info.script.version === 'debug' ? 2 : 1;
// for now most filters are not enabled (see true|false)
// maybe I will make a settings popup later
const settings = {
hide: {
conditions: {
likes: {
lessThan: [1, false], // [value, is enabled by default]
},
dislikes: {
ratioAtLeast: [1.5, true], // i.e. 2👍 3👎 would be removed
},
},
},
blur: {
visibility: 0.5,
conditions: {
likes: {
lessThan: [2, false], // 0👍 or 1👍 would be blured
},
dislikes: {
ratioAtLeast: [0.8, true], // 5👍 4👎 would be blured
amountAtLeast: [12, false], // 150👍 12👎 would be blured
},
},
},
};
let scriptSeemsBroken = false;
if (location.hostname === 'feedback.aliexpress.com') {
const queries = {
reviewContainer: 'div.feedback-item',
num: 'span.thf-digg-num', // like or dislike number inside btn
};
const arriveCfg = { existing: true, onceOnly: true };
document.arrive(queries.num, arriveCfg, (someNumNode) => {
const observer = new MutationObserver((mutations) => {
observer.disconnect();
const reviews = document.body.querySelectorAll(queries.reviewContainer);
for (const review of reviews) {
const nums = review.querySelectorAll(queries.num);
if (nums.length !== 2) {
debugWarn('Error', 'Seems like html layout was changed');
continue;
}
const [likeNum, dislikeNum] = nums;
const [likesAmount, dislikesAmount] = [
Number(likeNum.innerText),
Number(dislikeNum.innerText),
];
if (isNaN(likesAmount) || isNaN(dislikesAmount)) {
debugWarn('Warning', 'Got NaN from some number-node');
continue;
}
filterReview(review, likesAmount, dislikesAmount);
}
});
observer.observe(someNumNode, { childList: true });
});
} else { // aliexpress.ru
const queries = {
reviewContainer: 'div.Reviews_ReviewItem__wrapper__ootd9',
btnsContainer: 'div.Reviews_HelpfulRatePanel__wrapper__n6sle',
btn: 'button.ali-kit_Button__outlined__ngexmt',
};
const arriveCfg = { existing: true };
document.arrive(queries.btnsContainer, arriveCfg, (btnsContainer) => {
if (scriptSeemsBroken) return;
const buttons = btnsContainer.querySelectorAll(queries.btn);
const review = btnsContainer.closest(queries.reviewContainer);
if (buttons.length !== 2 || review === null) {
return debugWarn('Error', 'Html layout was changed');
}
const numRegex = /\d+/;
const [likeBtn, dislikeBtn] = buttons;
const [likesAmount, dislikesAmount] = [
(likeBtn.innerText.match(numRegex) || [])[0],
(dislikeBtn.innerText.match(numRegex) || [])[0],
];
if (isNaN(likesAmount) || isNaN(dislikesAmount)) {
return debugWarn('Warning', 'Got NaN from some number-node');
}
filterReview(review, likesAmount, dislikesAmount);
});
}
// utils ----------------------------------------------------------
function cancelScript(debugMsgTitle, text) {
scriptSeemsBroken = true;
Arrive.unbindAllArrive();
debugWarn(debugMsgTitle, text);
}
// https://muniftanjim.dev/blog/basic-middleware-pattern-in-javascript/
function Pipeline(...middlewares) {
const stack = middlewares;
const execute = (context = {}) => {
let prevIndex = -1;
const runner = (index) => {
if (index === prevIndex) {
throw new Error('next() called multiple times');
}
prevIndex = index;
const middleware = stack[index];
if (middleware) middleware(context, () => runner(index + 1));
}
runner(0);
}
return { execute };
}
function filterReview(review, likesAmount, dislikesAmount) {
const pipeline = Pipeline(
(_, next) => {
const [
value, isEnabled
] = settings.hide.conditions.likes.lessThan;
if (isEnabled && likesAmount < value) {
hideReview(review);
} else {
next();
}
},
(_, next) => {
const [
value, isEnabled
] = settings.hide.conditions.dislikes.ratioAtLeast;
const dislikesRatio = dislikesAmount / (likesAmount || 1);
if (isEnabled && dislikesRatio >= value) {
hideReview(review);
} else {
next();
}
},
(_, next) => {
const [
value, isEnabled
] = settings.blur.conditions.likes.lessThan;
const blurLvl = settings.blur.visibility;
if (isEnabled && likesAmount < value) {
blurReview(review, blurLvl);
} else {
next();
}
},
(_, next) => {
const [
value, isEnabled
] = settings.blur.conditions.dislikes.ratioAtLeast;
const dislikesRatio = dislikesAmount / (likesAmount || 1);
const blurLvl = settings.blur.visibility;
if (isEnabled && dislikesRatio >= value) {
blurReview(review, blurLvl);
} else {
next();
}
},
(_, next) => {
const [
value, isEnabled
] = settings.blur.conditions.dislikes.amountAtLeast;
const blurLvl = settings.blur.visibility;
if (isEnabled && dislikesAmount >= value) {
blurReview(review, blurLvl);
} else {
next();
}
},
);
pipeline.execute();
}
function hideReview(node) {
if (DEBUG_LVL > 1) {
node.style.backgroundColor = '#c3c3c3';
} else {
node.style.display = 'none';
}
}
function blurReview(node, lvl) {
node.style.opacity = lvl;
}
function debugWarn(title, text) {
const msg = `${GM_info.script.name}: ${title}.\n\n${text}`;
if (DEBUG_LVL >= 1) console.warn(msg);
if (DEBUG_LVL >= 3) alert(msg);
}
})();