You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.6 KiB
97 lines
2.6 KiB
2 years ago
|
import { statSync, createReadStream, promises } from 'node:fs';
|
||
|
|
import { basename } from 'node:path';
|
||
|
|
import { _ as _Blob, F as File, D as DOMException } from './node-fetch-native.d7878b77.mjs';
|
||
|
|
|
||
|
|
const { stat } = promises;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {string} path filepath on the disk
|
||
|
|
* @param {string} [type] mimetype to use
|
||
|
|
*/
|
||
|
|
const blobFromSync = (path, type) => fromBlob(statSync(path), path, type);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {string} path filepath on the disk
|
||
|
|
* @param {string} [type] mimetype to use
|
||
|
|
* @returns {Promise<Blob>}
|
||
|
|
*/
|
||
|
|
const blobFrom = (path, type) => stat(path).then(stat => fromBlob(stat, path, type));
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {string} path filepath on the disk
|
||
|
|
* @param {string} [type] mimetype to use
|
||
|
|
* @returns {Promise<File>}
|
||
|
|
*/
|
||
|
|
const fileFrom = (path, type) => stat(path).then(stat => fromFile(stat, path, type));
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {string} path filepath on the disk
|
||
|
|
* @param {string} [type] mimetype to use
|
||
|
|
*/
|
||
|
|
const fileFromSync = (path, type) => fromFile(statSync(path), path, type);
|
||
|
|
|
||
|
|
// @ts-ignore
|
||
|
|
const fromBlob = (stat, path, type = '') => new _Blob([new BlobDataItem({
|
||
|
|
path,
|
||
|
|
size: stat.size,
|
||
|
|
lastModified: stat.mtimeMs,
|
||
|
|
start: 0
|
||
|
|
})], { type });
|
||
|
|
|
||
|
|
// @ts-ignore
|
||
|
|
const fromFile = (stat, path, type = '') => new File([new BlobDataItem({
|
||
|
|
path,
|
||
|
|
size: stat.size,
|
||
|
|
lastModified: stat.mtimeMs,
|
||
|
|
start: 0
|
||
|
|
})], basename(path), { type, lastModified: stat.mtimeMs });
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is a blob backed up by a file on the disk
|
||
|
|
* with minium requirement. Its wrapped around a Blob as a blobPart
|
||
|
|
* so you have no direct access to this.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
class BlobDataItem {
|
||
|
|
#path
|
||
|
|
#start
|
||
|
|
|
||
|
|
constructor (options) {
|
||
|
|
this.#path = options.path;
|
||
|
|
this.#start = options.start;
|
||
|
|
this.size = options.size;
|
||
|
|
this.lastModified = options.lastModified;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Slicing arguments is first validated and formatted
|
||
|
|
* to not be out of range by Blob.prototype.slice
|
||
|
|
*/
|
||
|
|
slice (start, end) {
|
||
|
|
return new BlobDataItem({
|
||
|
|
path: this.#path,
|
||
|
|
lastModified: this.lastModified,
|
||
|
|
size: end - start,
|
||
|
|
start: this.#start + start
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
async * stream () {
|
||
|
|
const { mtimeMs } = await stat(this.#path);
|
||
|
|
if (mtimeMs > this.lastModified) {
|
||
|
|
throw new DOMException('The requested file could not be read, typically due to permission problems that have occurred after a reference to a file was acquired.', 'NotReadableError')
|
||
|
|
}
|
||
|
|
yield * createReadStream(this.#path, {
|
||
|
|
start: this.#start,
|
||
|
|
end: this.#start + this.size - 1
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
get [Symbol.toStringTag] () {
|
||
|
|
return 'Blob'
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
export { blobFromSync as a, blobFrom as b, fileFromSync as c, fileFrom as f };
|