UNPKG

jsdom

Version:

A JavaScript implementation of many web standards

288 lines (251 loc) • 9.82 kB
"use strict"; 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 ctorRegistrySymbol = utils.ctorRegistrySymbol; const HTMLElement = require("./HTMLElement.js"); const interfaceName = "HTMLCanvasElement"; const $interfaceDescriptor = utils.createInterfaceDescriptor(() => HTMLElement.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 '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); 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"]); 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 $impl = $requireImpl(this ?? globalObject, globalObject, "getContext"); if (arguments.length < 1) { throw new globalObject.TypeError( `Failed to execute 'getContext' on 'HTMLCanvasElement': 1 argument required, but only ${arguments.length} present.` ); } const args = []; { let curArg = arguments[0]; curArg = conversions["DOMString"](curArg, { context: "Failed to execute 'getContext' on 'HTMLCanvasElement': parameter 1", globals: globalObject }); args.push(curArg); } for (let i = 1; i < arguments.length; i++) { let curArg = arguments[i]; curArg = conversions["any"](curArg, { context: "Failed to execute 'getContext' on 'HTMLCanvasElement': parameter " + (i + 1), globals: globalObject }); args.push(curArg); } return utils.tryWrapperForImpl($impl.getContext(...args)); } toDataURL() { const $impl = $requireImpl(this ?? globalObject, globalObject, "toDataURL"); 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 $impl.toDataURL(...args); } toBlob(callback) { const $impl = $requireImpl(this ?? globalObject, globalObject, "toBlob"); 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 $impl.toBlob(...args); } get width() { const $impl = $requireImpl(this ?? globalObject, globalObject, "get width"); ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject); try { let value = $impl._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 $impl = $requireImpl(this ?? globalObject, globalObject, "set width"); 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; $impl._reflectSetTheContentAttribute("width", String(newValue)); } finally { ceReactionsPostSteps_jsdom_living_helpers_custom_elements(globalObject); } } get height() { const $impl = $requireImpl(this ?? globalObject, globalObject, "get height"); ceReactionsPreSteps_jsdom_living_helpers_custom_elements(globalObject); try { let value = $impl._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 $impl = $requireImpl(this ?? globalObject, globalObject, "set height"); 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; $impl._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");