163 lines
6.9 KiB
JavaScript
163 lines
6.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.createForm = exports.multipartFormRequestOptions = exports.maybeMultipartFormRequestOptions = exports.isMultipartBody = exports.toFile = exports.isUploadable = exports.isBlobLike = exports.isFileLike = exports.isResponseLike = exports.fileFromPath = void 0;
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const index_1 = require("./_shims/index.js");
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var index_2 = require("./_shims/index.js");
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Object.defineProperty(exports, "fileFromPath", { enumerable: true, get: function () { return index_2.fileFromPath; } });
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const isResponseLike = (value) => value != null &&
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typeof value === 'object' &&
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typeof value.url === 'string' &&
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typeof value.blob === 'function';
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exports.isResponseLike = isResponseLike;
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const isFileLike = (value) => value != null &&
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typeof value === 'object' &&
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typeof value.name === 'string' &&
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typeof value.lastModified === 'number' &&
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(0, exports.isBlobLike)(value);
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exports.isFileLike = isFileLike;
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/**
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* The BlobLike type omits arrayBuffer() because @types/node-fetch@^2.6.4 lacks it; but this check
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* adds the arrayBuffer() method type because it is available and used at runtime
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*/
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const isBlobLike = (value) => value != null &&
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typeof value === 'object' &&
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typeof value.size === 'number' &&
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typeof value.type === 'string' &&
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typeof value.text === 'function' &&
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typeof value.slice === 'function' &&
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typeof value.arrayBuffer === 'function';
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exports.isBlobLike = isBlobLike;
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const isUploadable = (value) => {
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return (0, exports.isFileLike)(value) || (0, exports.isResponseLike)(value) || (0, index_1.isFsReadStream)(value);
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};
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exports.isUploadable = isUploadable;
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/**
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* Helper for creating a {@link File} to pass to an SDK upload method from a variety of different data formats
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* @param value the raw content of the file. Can be an {@link Uploadable}, {@link BlobLikePart}, or {@link AsyncIterable} of {@link BlobLikePart}s
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* @param {string=} name the name of the file. If omitted, toFile will try to determine a file name from bits if possible
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* @param {Object=} options additional properties
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* @param {string=} options.type the MIME type of the content
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* @param {number=} options.lastModified the last modified timestamp
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* @returns a {@link File} with the given properties
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*/
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async function toFile(value, name, options = {}) {
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// If it's a promise, resolve it.
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value = await value;
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if ((0, exports.isResponseLike)(value)) {
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const blob = await value.blob();
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name || (name = new URL(value.url).pathname.split(/[\\/]/).pop() ?? 'unknown_file');
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return new index_1.File([blob], name, options);
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}
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const bits = await getBytes(value);
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name || (name = getName(value) ?? 'unknown_file');
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if (!options.type) {
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const type = bits[0]?.type;
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if (typeof type === 'string') {
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options = { ...options, type };
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}
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}
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return new index_1.File(bits, name, options);
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}
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exports.toFile = toFile;
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async function getBytes(value) {
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let parts = [];
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if (typeof value === 'string' ||
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ArrayBuffer.isView(value) || // includes Uint8Array, Buffer, etc.
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value instanceof ArrayBuffer) {
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parts.push(value);
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}
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else if ((0, exports.isBlobLike)(value)) {
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parts.push(await value.arrayBuffer());
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}
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else if (isAsyncIterableIterator(value) // includes Readable, ReadableStream, etc.
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) {
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for await (const chunk of value) {
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parts.push(chunk); // TODO, consider validating?
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}
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}
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else {
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throw new Error(`Unexpected data type: ${typeof value}; constructor: ${value?.constructor
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?.name}; props: ${propsForError(value)}`);
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}
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return parts;
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}
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function propsForError(value) {
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const props = Object.getOwnPropertyNames(value);
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return `[${props.map((p) => `"${p}"`).join(', ')}]`;
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}
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function getName(value) {
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return (getStringFromMaybeBuffer(value.name) ||
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getStringFromMaybeBuffer(value.filename) ||
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// For fs.ReadStream
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getStringFromMaybeBuffer(value.path)?.split(/[\\/]/).pop());
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}
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const getStringFromMaybeBuffer = (x) => {
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if (typeof x === 'string')
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return x;
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if (typeof Buffer !== 'undefined' && x instanceof Buffer)
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return String(x);
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return undefined;
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};
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const isAsyncIterableIterator = (value) => value != null && typeof value === 'object' && typeof value[Symbol.asyncIterator] === 'function';
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const isMultipartBody = (body) => body && typeof body === 'object' && body.body && body[Symbol.toStringTag] === 'MultipartBody';
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exports.isMultipartBody = isMultipartBody;
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/**
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* Returns a multipart/form-data request if any part of the given request body contains a File / Blob value.
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* Otherwise returns the request as is.
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*/
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const maybeMultipartFormRequestOptions = async (opts) => {
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if (!hasUploadableValue(opts.body))
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return opts;
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const form = await (0, exports.createForm)(opts.body);
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return (0, index_1.getMultipartRequestOptions)(form, opts);
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};
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exports.maybeMultipartFormRequestOptions = maybeMultipartFormRequestOptions;
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const multipartFormRequestOptions = async (opts) => {
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const form = await (0, exports.createForm)(opts.body);
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return (0, index_1.getMultipartRequestOptions)(form, opts);
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};
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exports.multipartFormRequestOptions = multipartFormRequestOptions;
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const createForm = async (body) => {
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const form = new index_1.FormData();
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await Promise.all(Object.entries(body || {}).map(([key, value]) => addFormValue(form, key, value)));
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return form;
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};
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exports.createForm = createForm;
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const hasUploadableValue = (value) => {
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if ((0, exports.isUploadable)(value))
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return true;
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if (Array.isArray(value))
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return value.some(hasUploadableValue);
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if (value && typeof value === 'object') {
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for (const k in value) {
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if (hasUploadableValue(value[k]))
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return true;
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}
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}
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return false;
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};
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const addFormValue = async (form, key, value) => {
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if (value === undefined)
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return;
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if (value == null) {
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throw new TypeError(`Received null for "${key}"; to pass null in FormData, you must use the string 'null'`);
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}
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// TODO: make nested formats configurable
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if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') {
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form.append(key, String(value));
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}
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else if ((0, exports.isUploadable)(value)) {
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const file = await toFile(value);
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form.append(key, file);
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}
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else if (Array.isArray(value)) {
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await Promise.all(value.map((entry) => addFormValue(form, key + '[]', entry)));
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}
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else if (typeof value === 'object') {
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await Promise.all(Object.entries(value).map(([name, prop]) => addFormValue(form, `${key}[${name}]`, prop)));
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}
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else {
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throw new TypeError(`Invalid value given to form, expected a string, number, boolean, object, Array, File or Blob but got ${value} instead`);
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}
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};
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//# sourceMappingURL=uploads.js.map
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