--- title: downloads.search() slug: Mozilla/Add-ons/WebExtensions/API/downloads/search tags: - API - Add-ons - Extensions - Méthode - Non-standard - Recherche - Reference - Search - WebExtensions - downloads translation_of: Mozilla/Add-ons/WebExtensions/API/downloads/search ---
La fonction search()
de l'API {{WebExtAPIRef("downloads")}} interroge les {{WebExtAPIRef("downloads.DownloadItem", "DownloadItems")}} disponibles dans le gestionnaire de téléchargements du navigateur, et renvoie celles qui correspondent aux spécifications critères de recherche.
C'est une fonction asynchrone qui renvoie une Promise
.
var searching = browser.downloads.search(query);
query
Une Promise
. La promise est remplie avec un tableau d'objets
{{WebExtAPIRef('downloads.DownloadItem')}}
qui correspondent aux critères donnés.
{{Compat("webextensions.api.downloads.search")}}
En général, vous restreignez les éléments récupérés à l'aide du paramètre de requête
.
function logDownloads(downloads) { for (let download of downloads) { console.log(download.id); console.log(download.url); } } function onError(error) { console.log(`Error: ${error}`); } var searching = browser.downloads.search({ query:["imgur"] }); searching.then(logDownloads, onError);
Pour obtenir un {{WebExtAPIRef("downloads.DownloadItem", "DownloadItem")}}, la méthode la plus simple consiste à définir uniquement le champ id
, comme indiqué dans l'extrait ci-dessous :
function logDownloads(downloads) { for (let download of downloads) { console.log(download.id); console.log(download.url); } } function onError(error) { console.log(`Error: ${error}`); } var id = 13; var searching = browser.downloads.search({id}); searching.then(logDownloads, onError);
Si vous voulez renvoyer tout {{WebExtAPIRef("downloads.DownloadItem", "DownloadItems")}}, définissez la query
sur un objet vide.
function logDownloads(downloads) { for (let download of downloads) { console.log(download.id); console.log(download.url); } } function onError(error) { console.log(`Error: ${error}`); } var searching = browser.downloads.search({}); searching.then(logDownloads, onError);
Vous pouvez obtenir le téléchargement le plus récent en spécifiant les paramètres de recherche suivants :
function logDownloads(downloads) { for (let download of downloads) { console.log(download.id); console.log(download.url); } } function onError(error) { console.log(`Error: ${error}`); } var searching = browser.downloads.search({ limit: 1, orderBy: ["-startTime"] }); searching.then(logDownloads, onError);
Vous pouvez voir ce code en action par exemple dans notre dernier téléchargement.
{{WebExtExamples}}
Cette API est basée sur l'API Chromium chrome.downloads
.
Les données de compatibilité relatives à Microsoft Edge sont fournies par Microsoft Corporation et incluses ici sous la licence Creative Commons Attribution 3.0 pour les États-Unis.
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