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| ; | |
| const conversions = require("webidl-conversions"); | |
| const utils = require("./utils.js"); | |
| const BlobPropertyBag = require("./BlobPropertyBag.js"); | |
| const implSymbol = utils.implSymbol; | |
| const ctorRegistrySymbol = utils.ctorRegistrySymbol; | |
| const interfaceName = "Blob"; | |
| 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 'Blob'.`); | |
| }; | |
| function makeWrapper(globalObject, newTarget) { | |
| let proto; | |
| if (newTarget !== undefined) { | |
| proto = newTarget.prototype; | |
| } | |
| if (!utils.isObject(proto)) { | |
| proto = globalObject[ctorRegistrySymbol]["Blob"].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) => {}; | |
| 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", "Worker"]); | |
| exports.install = (globalObject, globalNames) => { | |
| if (!globalNames.some(globalName => exposed.has(globalName))) { | |
| return; | |
| } | |
| const ctorRegistry = utils.initCtorRegistry(globalObject); | |
| class Blob { | |
| constructor() { | |
| const args = []; | |
| { | |
| let curArg = arguments[0]; | |
| if (curArg !== undefined) { | |
| if (!utils.isObject(curArg)) { | |
| throw new globalObject.TypeError("Failed to construct 'Blob': parameter 1" + " is not an iterable object."); | |
| } else { | |
| const V = []; | |
| const tmp = curArg; | |
| for (let nextItem of tmp) { | |
| if (exports.is(nextItem)) { | |
| nextItem = utils.implForWrapper(nextItem); | |
| } else if (utils.isArrayBuffer(nextItem)) { | |
| nextItem = conversions["ArrayBuffer"](nextItem, { | |
| context: "Failed to construct 'Blob': parameter 1" + "'s element", | |
| globals: globalObject | |
| }); | |
| } else if (ArrayBuffer.isView(nextItem)) { | |
| nextItem = conversions["ArrayBufferView"](nextItem, { | |
| context: "Failed to construct 'Blob': parameter 1" + "'s element", | |
| globals: globalObject | |
| }); | |
| } else { | |
| nextItem = conversions["USVString"](nextItem, { | |
| context: "Failed to construct 'Blob': parameter 1" + "'s element", | |
| globals: globalObject | |
| }); | |
| } | |
| V.push(nextItem); | |
| } | |
| curArg = V; | |
| } | |
| } | |
| args.push(curArg); | |
| } | |
| { | |
| let curArg = arguments[1]; | |
| curArg = BlobPropertyBag.convert(globalObject, curArg, { context: "Failed to construct 'Blob': parameter 2" }); | |
| args.push(curArg); | |
| } | |
| return exports.setup(Object.create(new.target.prototype), globalObject, args); | |
| } | |
| slice() { | |
| const esValue = this !== null && this !== undefined ? this : globalObject; | |
| if (!exports.is(esValue)) { | |
| throw new globalObject.TypeError("'slice' called on an object that is not a valid instance of Blob."); | |
| } | |
| const args = []; | |
| { | |
| let curArg = arguments[0]; | |
| if (curArg !== undefined) { | |
| curArg = conversions["long long"](curArg, { | |
| context: "Failed to execute 'slice' on 'Blob': parameter 1", | |
| globals: globalObject, | |
| clamp: true | |
| }); | |
| } | |
| args.push(curArg); | |
| } | |
| { | |
| let curArg = arguments[1]; | |
| if (curArg !== undefined) { | |
| curArg = conversions["long long"](curArg, { | |
| context: "Failed to execute 'slice' on 'Blob': parameter 2", | |
| globals: globalObject, | |
| clamp: true | |
| }); | |
| } | |
| args.push(curArg); | |
| } | |
| { | |
| let curArg = arguments[2]; | |
| if (curArg !== undefined) { | |
| curArg = conversions["DOMString"](curArg, { | |
| context: "Failed to execute 'slice' on 'Blob': parameter 3", | |
| globals: globalObject | |
| }); | |
| } | |
| args.push(curArg); | |
| } | |
| return utils.tryWrapperForImpl(esValue[implSymbol].slice(...args)); | |
| } | |
| text() { | |
| try { | |
| const esValue = this !== null && this !== undefined ? this : globalObject; | |
| if (!exports.is(esValue)) { | |
| throw new globalObject.TypeError("'text' called on an object that is not a valid instance of Blob."); | |
| } | |
| return utils.tryWrapperForImpl(esValue[implSymbol].text()); | |
| } catch (e) { | |
| return globalObject.Promise.reject(e); | |
| } | |
| } | |
| arrayBuffer() { | |
| try { | |
| const esValue = this !== null && this !== undefined ? this : globalObject; | |
| if (!exports.is(esValue)) { | |
| throw new globalObject.TypeError("'arrayBuffer' called on an object that is not a valid instance of Blob."); | |
| } | |
| return utils.tryWrapperForImpl(esValue[implSymbol].arrayBuffer()); | |
| } catch (e) { | |
| return globalObject.Promise.reject(e); | |
| } | |
| } | |
| bytes() { | |
| try { | |
| const esValue = this !== null && this !== undefined ? this : globalObject; | |
| if (!exports.is(esValue)) { | |
| throw new globalObject.TypeError("'bytes' called on an object that is not a valid instance of Blob."); | |
| } | |
| return utils.tryWrapperForImpl(esValue[implSymbol].bytes()); | |
| } catch (e) { | |
| return globalObject.Promise.reject(e); | |
| } | |
| } | |
| get size() { | |
| const esValue = this !== null && this !== undefined ? this : globalObject; | |
| if (!exports.is(esValue)) { | |
| throw new globalObject.TypeError("'get size' called on an object that is not a valid instance of Blob."); | |
| } | |
| return esValue[implSymbol]["size"]; | |
| } | |
| get type() { | |
| const esValue = this !== null && this !== undefined ? this : globalObject; | |
| if (!exports.is(esValue)) { | |
| throw new globalObject.TypeError("'get type' called on an object that is not a valid instance of Blob."); | |
| } | |
| return esValue[implSymbol]["type"]; | |
| } | |
| } | |
| Object.defineProperties(Blob.prototype, { | |
| slice: { enumerable: true }, | |
| text: { enumerable: true }, | |
| arrayBuffer: { enumerable: true }, | |
| bytes: { enumerable: true }, | |
| size: { enumerable: true }, | |
| type: { enumerable: true }, | |
| [Symbol.toStringTag]: { value: "Blob", configurable: true } | |
| }); | |
| ctorRegistry[interfaceName] = Blob; | |
| Object.defineProperty(globalObject, interfaceName, { | |
| configurable: true, | |
| writable: true, | |
| value: Blob | |
| }); | |
| }; | |
| const Impl = require("../../jsdom/living/file-api/Blob-impl.js"); | |