Restock detection - Check all elements for text to get stock status from, only consider elements inside the viewport, only consider elements more than 100px from the top (avoid menu) , trim any text returned (#2040)
dgtlmoon
4 months ago
committed by
GitHub
parent
65428655b8
commit
1749c07750
@ -1,117 +1,131 @@
|
||||
function isItemInStock() {
|
||||
// @todo Pass these in so the same list can be used in non-JS fetchers
|
||||
const outOfStockTexts = [
|
||||
' أخبرني عندما يتوفر',
|
||||
'0 in stock',
|
||||
'agotado',
|
||||
'article épuisé',
|
||||
'artikel zurzeit vergriffen',
|
||||
'as soon as stock is available',
|
||||
'ausverkauft', // sold out
|
||||
'available for back order',
|
||||
'back-order or out of stock',
|
||||
'backordered',
|
||||
'benachrichtigt mich', // notify me
|
||||
'brak na stanie',
|
||||
'brak w magazynie',
|
||||
'coming soon',
|
||||
'currently have any tickets for this',
|
||||
'currently unavailable',
|
||||
'dostępne wkrótce',
|
||||
'en rupture de stock',
|
||||
'ist derzeit nicht auf lager',
|
||||
'item is no longer available',
|
||||
'let me know when it\'s available',
|
||||
'message if back in stock',
|
||||
'nachricht bei',
|
||||
'nicht auf lager',
|
||||
'nicht lieferbar',
|
||||
'nicht zur verfügung',
|
||||
'niet beschikbaar',
|
||||
'niet leverbaar',
|
||||
'no disponible temporalmente',
|
||||
'no longer in stock',
|
||||
'no tickets available',
|
||||
'not available',
|
||||
'not currently available',
|
||||
'not in stock',
|
||||
'notify me when available',
|
||||
'não estamos a aceitar encomendas',
|
||||
'out of stock',
|
||||
'out-of-stock',
|
||||
'produkt niedostępny',
|
||||
'sold out',
|
||||
'sold-out',
|
||||
'temporarily out of stock',
|
||||
'temporarily unavailable',
|
||||
'tickets unavailable',
|
||||
'tijdelijk uitverkocht',
|
||||
'unavailable tickets',
|
||||
'we do not currently have an estimate of when this product will be back in stock.',
|
||||
'zur zeit nicht an lager',
|
||||
'品切れ',
|
||||
'已售完',
|
||||
'품절'
|
||||
];
|
||||
// @todo Pass these in so the same list can be used in non-JS fetchers
|
||||
const outOfStockTexts = [
|
||||
' أخبرني عندما يتوفر',
|
||||
'0 in stock',
|
||||
'agotado',
|
||||
'article épuisé',
|
||||
'artikel zurzeit vergriffen',
|
||||
'as soon as stock is available',
|
||||
'ausverkauft', // sold out
|
||||
'available for back order',
|
||||
'back-order or out of stock',
|
||||
'backordered',
|
||||
'benachrichtigt mich', // notify me
|
||||
'brak na stanie',
|
||||
'brak w magazynie',
|
||||
'coming soon',
|
||||
'currently have any tickets for this',
|
||||
'currently unavailable',
|
||||
'dostępne wkrótce',
|
||||
'en rupture de stock',
|
||||
'ist derzeit nicht auf lager',
|
||||
'item is no longer available',
|
||||
'let me know when it\'s available',
|
||||
'message if back in stock',
|
||||
'nachricht bei',
|
||||
'nicht auf lager',
|
||||
'nicht lieferbar',
|
||||
'nicht zur verfügung',
|
||||
'niet beschikbaar',
|
||||
'niet leverbaar',
|
||||
'no disponible temporalmente',
|
||||
'no longer in stock',
|
||||
'no tickets available',
|
||||
'not available',
|
||||
'not currently available',
|
||||
'not in stock',
|
||||
'notify me when available',
|
||||
'não estamos a aceitar encomendas',
|
||||
'out of stock',
|
||||
'out-of-stock',
|
||||
'produkt niedostępny',
|
||||
'sold out',
|
||||
'sold-out',
|
||||
'temporarily out of stock',
|
||||
'temporarily unavailable',
|
||||
'tickets unavailable',
|
||||
'tijdelijk uitverkocht',
|
||||
'unavailable tickets',
|
||||
'we do not currently have an estimate of when this product will be back in stock.',
|
||||
'we don\'t know when or if this item will be back in stock.',
|
||||
'zur zeit nicht an lager',
|
||||
'品切れ',
|
||||
'已售完',
|
||||
'품절'
|
||||
];
|
||||
|
||||
function getElementBaseText(element) {
|
||||
// .textContent can include text from children which may give the wrong results
|
||||
// scan only immediate TEXT_NODEs, which will be a child of the element
|
||||
var text = "";
|
||||
for (var i = 0; i < element.childNodes.length; ++i)
|
||||
if (element.childNodes[i].nodeType === Node.TEXT_NODE)
|
||||
text += element.childNodes[i].textContent;
|
||||
return text.toLowerCase().trim();
|
||||
}
|
||||
|
||||
const negateOutOfStockRegexs = [
|
||||
'[0-9] in stock'
|
||||
]
|
||||
var negateOutOfStockRegexs_r = [];
|
||||
for (let i = 0; i < negateOutOfStockRegexs.length; i++) {
|
||||
negateOutOfStockRegexs_r.push(new RegExp(negateOutOfStockRegexs[0], 'g'));
|
||||
}
|
||||
const negateOutOfStockRegexs = [
|
||||
'[0-9] in stock'
|
||||
]
|
||||
var negateOutOfStockRegexs_r = [];
|
||||
for (let i = 0; i < negateOutOfStockRegexs.length; i++) {
|
||||
negateOutOfStockRegexs_r.push(new RegExp(negateOutOfStockRegexs[0], 'g'));
|
||||
}
|
||||
|
||||
// The out-of-stock or in-stock-text is generally always above-the-fold
|
||||
// and often below-the-fold is a list of related products that may or may not contain trigger text
|
||||
// so it's good to filter to just the 'above the fold' elements
|
||||
// and it should be atleast 100px from the top to ignore items in the toolbar, sometimes menu items like "Coming soon" exist
|
||||
const elementsToScan = Array.from(document.getElementsByTagName('*')).filter(element => element.getBoundingClientRect().top + window.scrollY <= window.innerHeight && element.getBoundingClientRect().top + window.scrollY >= 100);
|
||||
|
||||
const elementsWithZeroChildren = Array.from(document.getElementsByTagName('*')).filter(element => element.children.length === 0);
|
||||
var elementText = "";
|
||||
|
||||
// REGEXS THAT REALLY MEAN IT'S IN STOCK
|
||||
for (let i = elementsWithZeroChildren.length - 1; i >= 0; i--) {
|
||||
const element = elementsWithZeroChildren[i];
|
||||
if (element.offsetWidth > 0 || element.offsetHeight > 0 || element.getClientRects().length > 0) {
|
||||
var elementText="";
|
||||
if (element.tagName.toLowerCase() === "input") {
|
||||
elementText = element.value.toLowerCase();
|
||||
} else {
|
||||
elementText = element.textContent.toLowerCase();
|
||||
}
|
||||
// REGEXS THAT REALLY MEAN IT'S IN STOCK
|
||||
for (let i = elementsToScan.length - 1; i >= 0; i--) {
|
||||
const element = elementsToScan[i];
|
||||
elementText = "";
|
||||
if (element.tagName.toLowerCase() === "input") {
|
||||
elementText = element.value.toLowerCase();
|
||||
} else {
|
||||
elementText = getElementBaseText(element);
|
||||
}
|
||||
|
||||
if (elementText.length) {
|
||||
// try which ones could mean its in stock
|
||||
for (let i = 0; i < negateOutOfStockRegexs.length; i++) {
|
||||
if (negateOutOfStockRegexs_r[i].test(elementText)) {
|
||||
return 'Possibly in stock';
|
||||
}
|
||||
if (elementText.length) {
|
||||
// try which ones could mean its in stock
|
||||
for (let i = 0; i < negateOutOfStockRegexs.length; i++) {
|
||||
if (negateOutOfStockRegexs_r[i].test(elementText)) {
|
||||
return 'Possibly in stock';
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// OTHER STUFF THAT COULD BE THAT IT'S OUT OF STOCK
|
||||
for (let i = elementsWithZeroChildren.length - 1; i >= 0; i--) {
|
||||
const element = elementsWithZeroChildren[i];
|
||||
if (element.offsetWidth > 0 || element.offsetHeight > 0 || element.getClientRects().length > 0) {
|
||||
var elementText="";
|
||||
if (element.tagName.toLowerCase() === "input") {
|
||||
elementText = element.value.toLowerCase();
|
||||
} else {
|
||||
elementText = element.textContent.toLowerCase();
|
||||
}
|
||||
// OTHER STUFF THAT COULD BE THAT IT'S OUT OF STOCK
|
||||
for (let i = elementsToScan.length - 1; i >= 0; i--) {
|
||||
const element = elementsToScan[i];
|
||||
if (element.offsetWidth > 0 || element.offsetHeight > 0 || element.getClientRects().length > 0) {
|
||||
elementText = "";
|
||||
if (element.tagName.toLowerCase() === "input") {
|
||||
elementText = element.value.toLowerCase();
|
||||
} else {
|
||||
elementText = getElementBaseText(element);
|
||||
}
|
||||
|
||||
if (elementText.length) {
|
||||
// and these mean its out of stock
|
||||
for (const outOfStockText of outOfStockTexts) {
|
||||
if (elementText.includes(outOfStockText)) {
|
||||
return elementText; // item is out of stock
|
||||
}
|
||||
if (elementText.length) {
|
||||
// and these mean its out of stock
|
||||
for (const outOfStockText of outOfStockTexts) {
|
||||
if (elementText.includes(outOfStockText)) {
|
||||
return outOfStockText; // item is out of stock
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 'Possibly in stock'; // possibly in stock, cant decide otherwise.
|
||||
return 'Possibly in stock'; // possibly in stock, cant decide otherwise.
|
||||
}
|
||||
|
||||
// returns the element text that makes it think it's out of stock
|
||||
return isItemInStock();
|
||||
return isItemInStock().trim()
|
||||
|
||||
|
||||
Loading…
Reference in new issue