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96 lines
2.6 KiB
96 lines
2.6 KiB
import { statSync, createReadStream, promises } from 'node:fs';
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import { basename } from 'node:path';
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import { _ as _Blob, F as File, D as DOMException } from './node-fetch-native.d7878b77.mjs';
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const { stat } = promises;
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/**
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* @param {string} path filepath on the disk
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* @param {string} [type] mimetype to use
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*/
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const blobFromSync = (path, type) => fromBlob(statSync(path), path, type);
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/**
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* @param {string} path filepath on the disk
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* @param {string} [type] mimetype to use
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* @returns {Promise<Blob>}
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*/
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const blobFrom = (path, type) => stat(path).then(stat => fromBlob(stat, path, type));
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/**
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* @param {string} path filepath on the disk
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* @param {string} [type] mimetype to use
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* @returns {Promise<File>}
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*/
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const fileFrom = (path, type) => stat(path).then(stat => fromFile(stat, path, type));
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/**
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* @param {string} path filepath on the disk
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* @param {string} [type] mimetype to use
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*/
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const fileFromSync = (path, type) => fromFile(statSync(path), path, type);
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// @ts-ignore
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const fromBlob = (stat, path, type = '') => new _Blob([new BlobDataItem({
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path,
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size: stat.size,
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lastModified: stat.mtimeMs,
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start: 0
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})], { type });
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// @ts-ignore
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const fromFile = (stat, path, type = '') => new File([new BlobDataItem({
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path,
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size: stat.size,
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lastModified: stat.mtimeMs,
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start: 0
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})], basename(path), { type, lastModified: stat.mtimeMs });
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/**
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* This is a blob backed up by a file on the disk
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* with minium requirement. Its wrapped around a Blob as a blobPart
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* so you have no direct access to this.
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*
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* @private
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*/
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class BlobDataItem {
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#path
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#start
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constructor (options) {
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this.#path = options.path;
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this.#start = options.start;
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this.size = options.size;
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this.lastModified = options.lastModified;
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}
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/**
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* Slicing arguments is first validated and formatted
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* to not be out of range by Blob.prototype.slice
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*/
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slice (start, end) {
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return new BlobDataItem({
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path: this.#path,
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lastModified: this.lastModified,
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size: end - start,
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start: this.#start + start
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})
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}
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async * stream () {
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const { mtimeMs } = await stat(this.#path);
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if (mtimeMs > this.lastModified) {
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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')
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}
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yield * createReadStream(this.#path, {
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start: this.#start,
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end: this.#start + this.size - 1
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});
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}
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get [Symbol.toStringTag] () {
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return 'Blob'
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}
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}
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export { blobFromSync as a, blobFrom as b, fileFromSync as c, fileFrom as f };
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