jsdom
Version:
A JavaScript implementation of many web standards
326 lines (285 loc) • 11 kB
JavaScript
;
const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const HTMLConstructor_jsdom_living_helpers_html_constructor =
require("../../jsdom/living/helpers/html-constructor.js").HTMLConstructor;
const BlobCallback = require("./BlobCallback.js");
const parseNonNegativeInteger_jsdom_living_helpers_strings =
require("../../jsdom/living/helpers/strings.js").parseNonNegativeInteger;
const ceReactionsPreSteps_jsdom_living_helpers_custom_elements =
require("../../jsdom/living/helpers/custom-elements.js").ceReactionsPreSteps;
const ceReactionsPostSteps_jsdom_living_helpers_custom_elements =
require("../../jsdom/living/helpers/custom-elements.js").ceReactionsPostSteps;
const implSymbol = utils.implSymbol;
const ctorRegistrySymbol = utils.ctorRegistrySymbol;
const HTMLElement = require("./HTMLElement.js");
const interfaceName = "HTMLCanvasElement";
exports.is = value => {
return utils.isObject(value) && Object.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
};
exports.isImpl = value => {
return utils.isObject(value) && value instanceof Impl.implementation;
};
exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
if (exports.is(value)) {
return utils.implForWrapper(value);
}
throw new globalObject.TypeError(`${context} is not of type 'HTMLCanvasElement'.`);
};
function makeWrapper(globalObject, newTarget) {
let proto;
if (newTarget !== undefined) {
proto = newTarget.prototype;
}
if (!utils.isObject(proto)) {
proto = globalObject[ctorRegistrySymbol]["HTMLCanvasElement"].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) => {
HTMLElement._internalSetup(wrapper, globalObject);
};
exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
privateData.wrapper = wrapper;
exports._internalSetup(wrapper, globalObject);
Object.defineProperty(wrapper, implSymbol, {
value: new Impl.implementation(globalObject, constructorArgs, privateData),
configurable: true
});
wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
if (Impl.init) {
Impl.init(wrapper[implSymbol]);
}
return wrapper;
};
exports.new = (globalObject, newTarget) => {
const wrapper = makeWrapper(globalObject, newTarget);
exports._internalSetup(wrapper, globalObject);
Object.defineProperty(wrapper, implSymbol, {
value: Object.create(Impl.implementation.prototype),
configurable: true
});
wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
if (Impl.init) {
Impl.init(wrapper[implSymbol]);
}
return wrapper[implSymbol];
};
const exposed = new Set(["Window"]);
exports.install = (globalObject, globalNames) => {
if (!globalNames.some(globalName => exposed.has(globalName))) {
return;
}
const ctorRegistry = utils.initCtorRegistry(globalObject);
class HTMLCanvasElement extends globalObject.HTMLElement {
constructor() {
return HTMLConstructor_jsdom_living_helpers_html_constructor(globalObject, interfaceName, new.target);
}
getContext(contextId) {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'getContext' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
if (arguments.length < 1) {
throw new globalObject.TypeError(
`Failed to execute 'getContext' on 'HTMLCanvasElement': 1 argument required, but only ${arguments.length} present.`
);
}
const args = [];
{
let curArg = arguments[0];
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'getContext' on 'HTMLCanvasElement': parameter 1",
globals: globalObject
});
args.push(curArg);
}
for (let i = 1; i < arguments.length; i++) {
let curArg = arguments[i];
curArg = conversions["any"](curArg, {
context: "Failed to execute 'getContext' on 'HTMLCanvasElement': parameter " + (i + 1),
globals: globalObject
});
args.push(curArg);
}
return utils.tryWrapperForImpl(esValue[implSymbol].getContext(...args));
}
toDataURL() {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'toDataURL' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
const args = [];
{
let curArg = arguments[0];
if (curArg !== undefined) {
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'toDataURL' on 'HTMLCanvasElement': parameter 1",
globals: globalObject
});
}
args.push(curArg);
}
{
let curArg = arguments[1];
if (curArg !== undefined) {
curArg = conversions["any"](curArg, {
context: "Failed to execute 'toDataURL' on 'HTMLCanvasElement': parameter 2",
globals: globalObject
});
}
args.push(curArg);
}
return esValue[implSymbol].toDataURL(...args);
}
toBlob(callback) {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'toBlob' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
if (arguments.length < 1) {
throw new globalObject.TypeError(
`Failed to execute 'toBlob' on 'HTMLCanvasElement': 1 argument required, but only ${arguments.length} present.`
);
}
const args = [];
{
let curArg = arguments[0];
curArg = BlobCallback.convert(globalObject, curArg, {
context: "Failed to execute 'toBlob' on 'HTMLCanvasElement': parameter 1"
});
args.push(curArg);
}
{
let curArg = arguments[1];
if (curArg !== undefined) {
curArg = conversions["DOMString"](curArg, {
context: "Failed to execute 'toBlob' on 'HTMLCanvasElement': parameter 2",
globals: globalObject
});
}
args.push(curArg);
}
{
let curArg = arguments[2];
if (curArg !== undefined) {
curArg = conversions["any"](curArg, {
context: "Failed to execute 'toBlob' on 'HTMLCanvasElement': parameter 3",
globals: globalObject
});
}
args.push(curArg);
}
return esValue[implSymbol].toBlob(...args);
}
get width() {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'get width' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
try {
let value = esValue[implSymbol]._reflectGetTheContentAttribute("width");
if (value !== null) {
value = parseNonNegativeInteger_jsdom_living_helpers_strings(value);
if (value !== null && value >= 0 && value <= 2147483647) {
return value;
}
}
return 300;
} finally {
ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
}
}
set width(V) {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'set width' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
V = conversions["unsigned long"](V, {
context: "Failed to set the 'width' property on 'HTMLCanvasElement': The provided value",
globals: globalObject
});
ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
try {
const newValue = V <= 2147483647 && V >= 0 ? V : 300;
esValue[implSymbol]._reflectSetTheContentAttribute("width", String(newValue));
} finally {
ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
}
}
get height() {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'get height' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
try {
let value = esValue[implSymbol]._reflectGetTheContentAttribute("height");
if (value !== null) {
value = parseNonNegativeInteger_jsdom_living_helpers_strings(value);
if (value !== null && value >= 0 && value <= 2147483647) {
return value;
}
}
return 150;
} finally {
ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
}
}
set height(V) {
const esValue = this !== null && this !== undefined ? this : globalObject;
if (!exports.is(esValue)) {
throw new globalObject.TypeError(
"'set height' called on an object that is not a valid instance of HTMLCanvasElement."
);
}
V = conversions["unsigned long"](V, {
context: "Failed to set the 'height' property on 'HTMLCanvasElement': The provided value",
globals: globalObject
});
ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject);
try {
const newValue = V <= 2147483647 && V >= 0 ? V : 150;
esValue[implSymbol]._reflectSetTheContentAttribute("height", String(newValue));
} finally {
ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject);
}
}
}
Object.defineProperties(HTMLCanvasElement.prototype, {
getContext: { enumerable: true },
toDataURL: { enumerable: true },
toBlob: { enumerable: true },
width: { enumerable: true },
height: { enumerable: true },
[Symbol.toStringTag]: { value: "HTMLCanvasElement", configurable: true }
});
ctorRegistry[interfaceName] = HTMLCanvasElement;
Object.defineProperty(globalObject, interfaceName, {
configurable: true,
writable: true,
value: HTMLCanvasElement
});
};
const Impl = require("../../jsdom/living/nodes/HTMLCanvasElement-impl.js");