jsdom
Version:
A JavaScript implementation of many web standards
177 lines (151 loc) • 5.69 kB
JavaScript
;
const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const Blob = require("./Blob.js");
const FilePropertyBag = require("./FilePropertyBag.js");
const ctorRegistrySymbol = utils.ctorRegistrySymbol;
const interfaceName = "File";
const $interfaceDescriptor = utils.createInterfaceDescriptor(() => Blob.interfaceDescriptor);
exports.interfaceDescriptor = $interfaceDescriptor;
function $requireImpl(wrapper, globalObject, context) {
return utils.requireImplForWrapper(wrapper, $interfaceDescriptor, globalObject, interfaceName, context);
}
exports.is = value => {
return utils.implForWrapperWithInterface(value, $interfaceDescriptor) !== null;
};
exports.isImpl = value => {
return utils.isObject(value) && value instanceof Impl.implementation;
};
exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
const impl = utils.implForWrapperWithInterface(value, $interfaceDescriptor);
if (impl !== null) {
return impl;
}
throw new globalObject.TypeError(`${context} is not of type 'File'.`);
};
function makeWrapper(globalObject, newTarget) {
let proto;
if (newTarget !== undefined) {
proto = newTarget.prototype;
}
if (!utils.isObject(proto)) {
proto = globalObject[ctorRegistrySymbol]["File"].prototype;
}
return Object.create(proto);
}
exports.create = (globalObject, constructorArgs, privateData) => {
const wrapper = makeWrapper(globalObject);
return exports.setup(wrapper, globalObject, constructorArgs, privateData);
};
exports.createImpl = (globalObject, constructorArgs, privateData) => {
const wrapper = exports.create(globalObject, constructorArgs, privateData);
return utils.implForWrapper(wrapper);
};
exports._internalSetup = (wrapper, globalObject) => {
Blob._internalSetup(wrapper, globalObject);
};
exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
privateData.wrapper = wrapper;
exports._internalSetup(wrapper, globalObject);
const impl = new Impl.implementation(globalObject, constructorArgs, privateData);
utils.registerWrapper(wrapper, impl, $interfaceDescriptor);
impl[utils.wrapperSymbol] = wrapper;
if (Impl.init) {
Impl.init(impl);
}
return wrapper;
};
exports.new = (globalObject, newTarget) => {
const wrapper = makeWrapper(globalObject, newTarget);
exports._internalSetup(wrapper, globalObject);
const impl = Object.create(Impl.implementation.prototype);
utils.registerWrapper(wrapper, impl, $interfaceDescriptor);
impl[utils.wrapperSymbol] = wrapper;
if (Impl.init) {
Impl.init(impl);
}
return impl;
};
const exposed = new Set(["Window", "Worker"]);
exports.install = (globalObject, globalNames) => {
if (!globalNames.some(globalName => exposed.has(globalName))) {
return;
}
const ctorRegistry = utils.initCtorRegistry(globalObject);
class File extends globalObject.Blob {
constructor(fileBits, fileName) {
if (arguments.length < 2) {
throw new globalObject.TypeError(
`Failed to construct 'File': 2 arguments required, but only ${arguments.length} present.`
);
}
const args = [];
{
let curArg = arguments[0];
if (!utils.isObject(curArg)) {
throw new globalObject.TypeError("Failed to construct 'File': parameter 1" + " is not an iterable object.");
} else {
const V = [];
const tmp = curArg;
for (let nextItem of tmp) {
if (Blob.is(nextItem)) {
nextItem = utils.implForWrapper(nextItem);
} else if (utils.isArrayBuffer(nextItem)) {
nextItem = conversions["ArrayBuffer"](nextItem, {
context: "Failed to construct 'File': parameter 1" + "'s element",
globals: globalObject
});
} else if (ArrayBuffer.isView(nextItem)) {
nextItem = conversions["ArrayBufferView"](nextItem, {
context: "Failed to construct 'File': parameter 1" + "'s element",
globals: globalObject
});
} else {
nextItem = conversions["USVString"](nextItem, {
context: "Failed to construct 'File': parameter 1" + "'s element",
globals: globalObject
});
}
V.push(nextItem);
}
curArg = V;
}
args.push(curArg);
}
{
let curArg = arguments[1];
curArg = conversions["USVString"](curArg, {
context: "Failed to construct 'File': parameter 2",
globals: globalObject
});
args.push(curArg);
}
{
let curArg = arguments[2];
curArg = FilePropertyBag.convert(globalObject, curArg, { context: "Failed to construct 'File': parameter 3" });
args.push(curArg);
}
return exports.setup(Object.create(new.target.prototype), globalObject, args);
}
get name() {
const $impl = $requireImpl(this ?? globalObject, globalObject, "get name");
return $impl["name"];
}
get lastModified() {
const $impl = $requireImpl(this ?? globalObject, globalObject, "get lastModified");
return $impl["lastModified"];
}
}
Object.defineProperties(File.prototype, {
name: { enumerable: true },
lastModified: { enumerable: true },
[Symbol.toStringTag]: { value: "File", configurable: true }
});
ctorRegistry[interfaceName] = File;
Object.defineProperty(globalObject, interfaceName, {
configurable: true,
writable: true,
value: File
});
};
const Impl = require("../../jsdom/living/file-api/File-impl.js");