mirror of https://github.com/denoland/deno.git
125 lines
3.6 KiB
TypeScript
125 lines
3.6 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import * as domTypes from "./dom_types.ts";
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import * as blob from "./blob.ts";
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import * as domFile from "./dom_file.ts";
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import { DomIterableMixin } from "./dom_iterable.ts";
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import { requiredArguments } from "./util.ts";
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const dataSymbol = Symbol("data");
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class FormDataBase {
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[dataSymbol]: Array<[string, domTypes.FormDataEntryValue]> = [];
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append(name: string, value: string): void;
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append(name: string, value: blob.DenoBlob, filename?: string): void;
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append(name: string, value: string | blob.DenoBlob, filename?: string): void {
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requiredArguments("FormData.append", arguments.length, 2);
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name = String(name);
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if (value instanceof blob.DenoBlob) {
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const dfile = new domFile.DomFileImpl([value], filename || name, {
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type: value.type,
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});
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this[dataSymbol].push([name, dfile]);
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} else {
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this[dataSymbol].push([name, String(value)]);
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}
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}
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delete(name: string): void {
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requiredArguments("FormData.delete", arguments.length, 1);
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name = String(name);
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let i = 0;
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while (i < this[dataSymbol].length) {
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if (this[dataSymbol][i][0] === name) {
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this[dataSymbol].splice(i, 1);
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} else {
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i++;
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}
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}
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}
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getAll(name: string): domTypes.FormDataEntryValue[] {
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requiredArguments("FormData.getAll", arguments.length, 1);
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name = String(name);
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const values = [];
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for (const entry of this[dataSymbol]) {
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if (entry[0] === name) {
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values.push(entry[1]);
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}
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}
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return values;
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}
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get(name: string): domTypes.FormDataEntryValue | null {
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requiredArguments("FormData.get", arguments.length, 1);
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name = String(name);
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for (const entry of this[dataSymbol]) {
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if (entry[0] === name) {
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return entry[1];
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}
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}
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return null;
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}
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has(name: string): boolean {
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requiredArguments("FormData.has", arguments.length, 1);
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name = String(name);
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return this[dataSymbol].some((entry): boolean => entry[0] === name);
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}
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set(name: string, value: string): void;
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set(name: string, value: blob.DenoBlob, filename?: string): void;
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set(name: string, value: string | blob.DenoBlob, filename?: string): void {
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requiredArguments("FormData.set", arguments.length, 2);
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name = String(name);
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// If there are any entries in the context object’s entry list whose name
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// is name, replace the first such entry with entry and remove the others
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let found = false;
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let i = 0;
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while (i < this[dataSymbol].length) {
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if (this[dataSymbol][i][0] === name) {
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if (!found) {
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if (value instanceof blob.DenoBlob) {
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const dfile = new domFile.DomFileImpl([value], filename || name, {
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type: value.type,
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});
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this[dataSymbol][i][1] = dfile;
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} else {
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this[dataSymbol][i][1] = String(value);
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}
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found = true;
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} else {
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this[dataSymbol].splice(i, 1);
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continue;
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}
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}
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i++;
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}
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// Otherwise, append entry to the context object’s entry list.
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if (!found) {
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if (value instanceof blob.DenoBlob) {
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const dfile = new domFile.DomFileImpl([value], filename || name, {
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type: value.type,
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});
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this[dataSymbol].push([name, dfile]);
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} else {
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this[dataSymbol].push([name, String(value)]);
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}
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}
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}
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get [Symbol.toStringTag](): string {
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return "FormData";
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}
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}
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export class FormData extends DomIterableMixin<
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string,
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domTypes.FormDataEntryValue,
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typeof FormDataBase
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>(FormDataBase, dataSymbol) {}
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