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denoland-deno/cli/js/web/form_data.ts
Ryan Dahl ff60b31129
dedup various type definitions (#4741)
FormData FilePropertyBag DomFile BlobPropertyBag RequestCache 
RequestCredentials RequestDestination RequestMode RequestRedirect 
ResponseType
2020-04-14 09:23:07 -04:00

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