@codesandbox/sandpack-client
Version:
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59 lines • 2.45 kB
JavaScript
;
/**
* Contains utility methods using 'fetch'.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchFileSizeAsync = exports.fetchFileAsync = exports.fetchIsAvailable = void 0;
var api_error_1 = require("../core/api_error");
exports.fetchIsAvailable = (typeof (fetch) !== "undefined" && fetch !== null);
function fetchFileAsync(p, type, cb) {
var request;
try {
request = fetch(p);
}
catch (e) {
// XXX: fetch will throw a TypeError if the URL has credentials in it
return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EINVAL, e.message));
}
request
.then(function (res) {
if (!res.ok) {
return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EIO, "fetch error: response returned code ".concat(res.status)));
}
else {
switch (type) {
case 'buffer':
res.arrayBuffer()
.then(function (buf) { return cb(null, Buffer.from(buf)); })
.catch(function (err) { return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EIO, err.message)); });
break;
case 'json':
res.json()
.then(function (json) { return cb(null, json); })
.catch(function (err) { return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EIO, err.message)); });
break;
default:
cb(new api_error_1.ApiError(api_error_1.ErrorCode.EINVAL, "Invalid download type: " + type));
}
}
})
.catch(function (err) { return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EIO, err.message)); });
}
exports.fetchFileAsync = fetchFileAsync;
/**
* Asynchronously retrieves the size of the given file in bytes.
* @hidden
*/
function fetchFileSizeAsync(p, cb) {
fetch(p, { method: 'HEAD' })
.then(function (res) {
if (!res.ok) {
return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EIO, "fetch HEAD error: response returned code ".concat(res.status)));
}
else {
return cb(null, parseInt(res.headers.get('Content-Length') || '-1', 10));
}
})
.catch(function (err) { return cb(new api_error_1.ApiError(api_error_1.ErrorCode.EIO, err.message)); });
}
exports.fetchFileSizeAsync = fetchFileSizeAsync;