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108 lines
4.9 KiB
Text
108 lines
4.9 KiB
Text
// Based on https://github.com/octet-stream/form-data/blob/2d0f0dc371517444ce1f22cdde13f51995d0953a/lib/FormData.ts (MIT)
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/// <reference types="node" />
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import { File } from './file'
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import { SpecIterator, SpecIterableIterator } from './fetch'
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/**
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* A `string` or `File` that represents a single value from a set of `FormData` key-value pairs.
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*/
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declare type FormDataEntryValue = string | File
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/**
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* Provides a way to easily construct a set of key/value pairs representing form fields and their values, which can then be easily sent using fetch().
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*/
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export declare class FormData {
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/**
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* Appends a new value onto an existing key inside a FormData object,
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* or adds the key if it does not already exist.
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*
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* The difference between `set()` and `append()` is that if the specified key already exists, `set()` will overwrite all existing values with the new one, whereas `append()` will append the new value onto the end of the existing set of values.
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*
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* @param name The name of the field whose data is contained in `value`.
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* @param value The field's value. This can be [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob)
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or [`File`](https://developer.mozilla.org/en-US/docs/Web/API/File). If none of these are specified the value is converted to a string.
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* @param fileName The filename reported to the server, when a Blob or File is passed as the second parameter. The default filename for Blob objects is "blob". The default filename for File objects is the file's filename.
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*/
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append(name: string, value: unknown, fileName?: string): void
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/**
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* Set a new value for an existing key inside FormData,
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* or add the new field if it does not already exist.
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*
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* @param name The name of the field whose data is contained in `value`.
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* @param value The field's value. This can be [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob)
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or [`File`](https://developer.mozilla.org/en-US/docs/Web/API/File). If none of these are specified the value is converted to a string.
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* @param fileName The filename reported to the server, when a Blob or File is passed as the second parameter. The default filename for Blob objects is "blob". The default filename for File objects is the file's filename.
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*
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*/
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set(name: string, value: unknown, fileName?: string): void
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/**
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* Returns the first value associated with a given key from within a `FormData` object.
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* If you expect multiple values and want all of them, use the `getAll()` method instead.
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*
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* @param {string} name A name of the value you want to retrieve.
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*
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* @returns A `FormDataEntryValue` containing the value. If the key doesn't exist, the method returns null.
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*/
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get(name: string): FormDataEntryValue | null
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/**
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* Returns all the values associated with a given key from within a `FormData` object.
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*
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* @param {string} name A name of the value you want to retrieve.
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*
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* @returns An array of `FormDataEntryValue` whose key matches the value passed in the `name` parameter. If the key doesn't exist, the method returns an empty list.
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*/
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getAll(name: string): FormDataEntryValue[]
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/**
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* Returns a boolean stating whether a `FormData` object contains a certain key.
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*
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* @param name A string representing the name of the key you want to test for.
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*
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* @return A boolean value.
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*/
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has(name: string): boolean
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/**
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* Deletes a key and its value(s) from a `FormData` object.
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*
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* @param name The name of the key you want to delete.
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*/
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delete(name: string): void
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/**
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* Executes given callback function for each field of the FormData instance
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*/
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forEach: (
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callbackfn: (value: FormDataEntryValue, key: string, iterable: FormData) => void,
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thisArg?: unknown
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) => void
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/**
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* Returns an [`iterator`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) allowing to go through all keys contained in this `FormData` object.
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* Each key is a `string`.
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*/
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keys: () => SpecIterableIterator<string>
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/**
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* Returns an [`iterator`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) allowing to go through all values contained in this object `FormData` object.
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* Each value is a [`FormDataValue`](https://developer.mozilla.org/en-US/docs/Web/API/FormDataEntryValue).
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*/
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values: () => SpecIterableIterator<FormDataEntryValue>
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/**
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* Returns an [`iterator`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) allowing to go through the `FormData` key/value pairs.
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* The key of each pair is a string; the value is a [`FormDataValue`](https://developer.mozilla.org/en-US/docs/Web/API/FormDataEntryValue).
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*/
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entries: () => SpecIterableIterator<[string, FormDataEntryValue]>
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/**
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* An alias for FormData#entries()
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*/
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[Symbol.iterator]: () => SpecIterableIterator<[string, FormDataEntryValue]>
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readonly [Symbol.toStringTag]: string
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}
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