Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link
rel="icon"
href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>📂</text></svg>"
/>
<title>How to open a directory</title>
</head>
<body>
<h1>How to open a directory</h1>
<button type="button">Open directory</button>
<pre></pre>
</body>
</html>
CSS
:root {
color-scheme: dark light;
}
html {
box-sizing: border-box;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
body {
margin: 1rem;
font-family: system-ui, sans-serif;
}
JS
const button = document.querySelector('button');
const pre = document.querySelector('pre');
const openDirectory = async (mode = "read") => {
// Feature detection. The API needs to be supported
// and the app not run in an iframe.
const supportsFileSystemAccess =
"showDirectoryPicker" in window &&
(() => {
try {
return window.self === window.top;
} catch {
return false;
}
})();
// If the File System Access API is supported…
if (supportsFileSystemAccess) {
let directoryStructure = undefined;
const getFiles = async (dirHandle, path = dirHandle.name) => {
const dirs = [];
const files = [];
for await (const entry of dirHandle.values()) {
const nestedPath = `${path}/${entry.name}`;
if (entry.kind === "file") {
files.push(
entry.getFile().then((file) => {
file.directoryHandle = dirHandle;
file.handle = entry;
return Object.defineProperty(file, "webkitRelativePath", {
configurable: true,
enumerable: true,
get: () => nestedPath,
});
})
);
} else if (entry.kind === "directory") {
dirs.push(getFiles(entry, nestedPath));
}
}
return [
...(await Promise.all(dirs)).flat(),
...(await Promise.all(files)),
];
};
try {
const handle = await showDirectoryPicker({
mode,
});
directoryStructure = getFiles(handle, undefined);
} catch (err) {
if (err.name !== "AbortError") {
console.error(err.name, err.message);
}
}
return directoryStructure;
}
// Fallback if the File System Access API is not supported.
return new Promise((resolve) => {
const input = document.createElement('input');
input.type = 'file';
input.webkitdirectory = true;
input.addEventListener('change', () => {
let files = Array.from(input.files);
resolve(files);
});
if ('showPicker' in HTMLInputElement.prototype) {
input.showPicker();
} else {
input.click();
}
});
};
button.addEventListener('click', async () => {
const filesInDirectory = await openDirectory();
if (!filesInDirectory) {
return;
}
Array.from(filesInDirectory).forEach((file) => (pre.textContent += `${file.name}\n`));
});
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2023/10/25 (UTC).
[{
"type": "thumb-down",
"id": "missingTheInformationINeed",
"label":"Il n'y a pas l'information dont j'ai besoin"
},{
"type": "thumb-down",
"id": "tooComplicatedTooManySteps",
"label":"Trop compliqué/Trop d'étapes"
},{
"type": "thumb-down",
"id": "outOfDate",
"label":"Obsolète"
},{
"type": "thumb-down",
"id": "translationIssue",
"label":"Problème de traduction"
},{
"type": "thumb-down",
"id": "samplesCodeIssue",
"label":"Mauvais exemple/Erreur de code"
},{
"type": "thumb-down",
"id": "otherDown",
"label":"Autre"
}]
[{
"type": "thumb-up",
"id": "easyToUnderstand",
"label":"Facile à comprendre"
},{
"type": "thumb-up",
"id": "solvedMyProblem",
"label":"J'ai pu résoudre mon problème"
},{
"type": "thumb-up",
"id": "otherUp",
"label":"Autre"
}]