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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
((window) => {
const blob = window.__bootstrap.blob;
const domFile = window.__bootstrap.domFile;
const { DomIterableMixin } = window.__bootstrap.domIterable;
const { requiredArguments } = window.__bootstrap.webUtil;
const dataSymbol = Symbol("data");
function parseFormDataValue(value, filename) {
if (value instanceof domFile.DomFile) {
return new domFile.DomFile([value], filename || value.name, {
type: value.type,
lastModified: value.lastModified,
});
} else if (value instanceof blob.Blob) {
return new domFile.DomFile([value], filename || "blob", {
type: value.type,
});
} else {
return String(value);
}
}
class FormDataBase {
[dataSymbol] = [];
append(name, value, filename) {
requiredArguments("FormData.append", arguments.length, 2);
name = String(name);
this[dataSymbol].push([name, parseFormDataValue(value, filename)]);
}
delete(name) {
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) {
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) {
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) {
requiredArguments("FormData.has", arguments.length, 1);
name = String(name);
return this[dataSymbol].some((entry) => entry[0] === name);
}
set(name, value, filename) {
requiredArguments("FormData.set", arguments.length, 2);
name = String(name);
// If there are any entries in the context object’s 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) {
this[dataSymbol][i][1] = parseFormDataValue(value, filename);
found = true;
} else {
this[dataSymbol].splice(i, 1);
continue;
}
}
i++;
}
// Otherwise, append entry to the context object’s entry list.
if (!found) {
this[dataSymbol].push([name, parseFormDataValue(value, filename)]);
}
}
get [Symbol.toStringTag]() {
return "FormData";
}
}
class FormData extends DomIterableMixin(FormDataBase, dataSymbol) {}
window.__bootstrap.formData = {
FormData,
};
})(this);
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