Convert Amazon units to normal units that all normal countries uses. It's check only 2 rows in a Specs table, so it's very perfomance-friendly.
As of
// ==UserScript==
// @name Amazon units converter
// @name:ru Amazon конвертер величин
// @namespace https://greasyfork.org/ru/users/303426-титан
// @version 1.0.1
// @description Convert Amazon units to normal units that all normal countries uses. It's check only 2 rows in a Specs table, so it's very perfomance-friendly.
// @description:ru Конвертирует единицы измерения Амазона из Американских в нормальные. Он проверяет только 2 строчки в Характеристиках, поэтому этот скрипт не оказывает практически никакого влияния на производительность
// @author Титан
// @include http://www.amazon.com/*
// @include https://www.amazon.com/*
// @include http://www.amazon.co.uk/*
// @include https://www.amazon.co.uk/*
// @include http://www.amazon.fr/*
// @include https://www.amazon.fr/*
// @include http://www.amazon.de/*
// @include https://www.amazon.de/*
// @include http://www.amazon.es/*
// @include https://www.amazon.es/*
// @include http://www.amazon.ca/*
// @include https://www.amazon.ca/*
// @include http://www.amazon.in/*
// @include https://www.amazon.in/*
// @include http://www.amazon.it/*
// @include https://www.amazon.it/*
// @include http://www.amazon.co.jp/*
// @include https://www.amazon.co.jp/*
// @include http://www.amazon.com.mx/*
// @include https://www.amazon.com.mx/*
// @include http://www.amazon.com.au/*
// @include https://www.amazon.com.au/*
// @icon https://www.google.com/s2/favicons?domain=amazon.com
// @grant none
// ==/UserScript==
(function() {
'use strict';
let DebugText = ":::Amazon American units to normal units extension::: ";
let Debug = false;
window.onload = () => {
let specsTable = document.getElementById("productDetails_detailBullets_sections1").firstElementChild;
for(let tr of specsTable.children) {
//if (tr.nodeName !="TR") continue; //if it's not tr
//if the tr contains
//console.log(tr.firstElementChild.textContent.toLowerCase());
if (tr.firstElementChild.textContent.toLowerCase().indexOf("dimensions")>=0) {
let packageDimentions = tr.lastElementChild;
packageDimentions.textContent = ReplaceUnit(packageDimentions.textContent,"inches","cm",ConvertInchesToSm);
/*=ReplaceUnit(
ReplaceUnit(packageDimentions.textContent,"inches","cm",ConvertInchesToSm),
"pounds", "kg", ConvertPoundsToKg);*/
} else if (tr.firstElementChild.textContent.toLowerCase().indexOf("weight")>=0) {
let weight = tr.lastElementChild;
weight.textContent = ReplaceUnit(weight.textContent,"pounds","kg",ConvertPoundsToKg);
}
}
}
/**
* Converts all numbers in text from old unit to new unit
*
* @param {string} Text Text that will be converted
* @param {string} UnitName Name of current unit
* @param {string} NewUnitName Name of the new unit
* @param {function} UnitConvertFunc Function that takes current unit float and returns new unit float
* @return {string} Text with all old unit floats replaced by new unit floats
*/
function ReplaceUnit(Text,UnitName,NewUnitName,UnitConvertFunc) {
let NewText = "";
let offset = 0;
let lastUnitTextIndex = -UnitName.length;
let unitTextIndex = Text.toLowerCase().indexOf(UnitName);
if (unitTextIndex===-1) return Text;
let unitTextFragment = Text.slice(lastUnitTextIndex+UnitName.length, unitTextIndex)
lastUnitTextIndex = unitTextIndex;
while (unitTextIndex!==-1) { //while there IS a UnitName text in a string untouched
let i = 0;
console.log("original fragment: " + unitTextFragment);
LfragmentLoop:
while (i < unitTextFragment.length)
{ //Перебор внутри фрагмента
let firstDigitPos;
let lastDigitPos;
for (i; ;i++) { //Searches for first digit symbol
if (i === unitTextFragment.length) { //if first digit not found, exit circle
if(Debug) console.log(`${DebugText}no Number found before \"${UnitName}\" text: ${NormalizeString( unitTextFragment)}`);
break LfragmentLoop;
}
if (isFloatNumber(unitTextFragment[i])) break; //if first digit found, break
}
lastDigitPos = firstDigitPos = i;
for (i+=1;i < unitTextFragment.length; i++) {//searches for last digit position
if (isFloatNumber(unitTextFragment[i])) lastDigitPos = i;
else break;
}
let UnitNumber = unitTextFragment.slice(firstDigitPos,lastDigitPos+1);
let NewUnitNumber = UnitConvertFunc(UnitNumber).toFixed(2);
unitTextFragment = unitTextFragment.slice(0,firstDigitPos) + NewUnitNumber + unitTextFragment.slice(lastDigitPos+1);
let offset = NewUnitNumber.length - UnitNumber.length
i+= offset+1;
if(Debug) console.log("fragment: "+ NormalizeString(unitTextFragment)+"\nCursorpos:"+CreateSpaces(i)+"↑");
}
NewText+=unitTextFragment + NewUnitName;
unitTextIndex = Text.toLowerCase().indexOf(UnitName, lastUnitTextIndex+UnitName.length);
if (unitTextIndex===-1) break;
unitTextFragment = Text.slice(lastUnitTextIndex+UnitName.length, unitTextIndex)
lastUnitTextIndex = unitTextIndex;
}
if (lastUnitTextIndex<Text.length)
NewText+=Text.slice(lastUnitTextIndex+UnitName.length)
return NewText;
}
function ConvertInchesToSm(Inches) {
return Inches*2.54;
}
function ConvertPoundsToKg(Pounds) {
return Pounds*0.45359237;
}
function isFloatNumber(c) {
return c >= '0' && c <= '9' || c === '.';
}
function CreateSpaces(Count){
let Spaces = "";
for (let i=Count;i--; i>0) Spaces+= " ";
return Spaces;
}
function NormalizeString(inputString){
let normalizedString = "";
for (let i=0; i<inputString.length;i++) {
switch (inputString[i]) {
case '\n': normalizedString+="↵"; break;
case '\t': normalizedString+="⇥"; break;
case '\r': normalizedString+="␍"; break;
case '\b': normalizedString+="␈"; break;
case '\f': normalizedString+="↡"; break;
case '\v': normalizedString+="⭳"; break;
case '\0': normalizedString+="␀"; break;
default: normalizedString+= inputString[i]; break;
}
}
return normalizedString;
}
})();