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@samvera/image-downloader

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React component and JavaScript modules to help force an image download in the browser

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'use strict'; var React = require('react'); var svgLoadersReact = require('svg-loaders-react'); function _extends$1() { _extends$1 = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends$1.apply(this, arguments); } function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } } function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; } function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); } function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; } function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; } var regeneratorRuntimeExports = {}; var regeneratorRuntime$1 = { get exports(){ return regeneratorRuntimeExports; }, set exports(v){ regeneratorRuntimeExports = v; }, }; var _typeofExports = {}; var _typeof = { get exports(){ return _typeofExports; }, set exports(v){ _typeofExports = v; }, }; (function (module) { function _typeof(obj) { "@babel/helpers - typeof"; return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(obj); } module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports; } (_typeof)); (function (module) { var _typeof = _typeofExports["default"]; function _regeneratorRuntime() { module.exports = _regeneratorRuntime = function _regeneratorRuntime() { return exports; }, module.exports.__esModule = true, module.exports["default"] = module.exports; var exports = {}, Op = Object.prototype, hasOwn = Op.hasOwnProperty, defineProperty = Object.defineProperty || function (obj, key, desc) { obj[key] = desc.value; }, $Symbol = "function" == typeof Symbol ? Symbol : {}, iteratorSymbol = $Symbol.iterator || "@@iterator", asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator", toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; function define(obj, key, value) { return Object.defineProperty(obj, key, { value: value, enumerable: !0, configurable: !0, writable: !0 }), obj[key]; } try { define({}, ""); } catch (err) { define = function define(obj, key, value) { return obj[key] = value; }; } function wrap(innerFn, outerFn, self, tryLocsList) { var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator, generator = Object.create(protoGenerator.prototype), context = new Context(tryLocsList || []); return defineProperty(generator, "_invoke", { value: makeInvokeMethod(innerFn, self, context) }), generator; } function tryCatch(fn, obj, arg) { try { return { type: "normal", arg: fn.call(obj, arg) }; } catch (err) { return { type: "throw", arg: err }; } } exports.wrap = wrap; var ContinueSentinel = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var IteratorPrototype = {}; define(IteratorPrototype, iteratorSymbol, function () { return this; }); var getProto = Object.getPrototypeOf, NativeIteratorPrototype = getProto && getProto(getProto(values([]))); NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol) && (IteratorPrototype = NativeIteratorPrototype); var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype); function defineIteratorMethods(prototype) { ["next", "throw", "return"].forEach(function (method) { define(prototype, method, function (arg) { return this._invoke(method, arg); }); }); } function AsyncIterator(generator, PromiseImpl) { function invoke(method, arg, resolve, reject) { var record = tryCatch(generator[method], generator, arg); if ("throw" !== record.type) { var result = record.arg, value = result.value; return value && "object" == _typeof(value) && hasOwn.call(value, "__await") ? PromiseImpl.resolve(value.__await).then(function (value) { invoke("next", value, resolve, reject); }, function (err) { invoke("throw", err, resolve, reject); }) : PromiseImpl.resolve(value).then(function (unwrapped) { result.value = unwrapped, resolve(result); }, function (error) { return invoke("throw", error, resolve, reject); }); } reject(record.arg); } var previousPromise; defineProperty(this, "_invoke", { value: function value(method, arg) { function callInvokeWithMethodAndArg() { return new PromiseImpl(function (resolve, reject) { invoke(method, arg, resolve, reject); }); } return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(innerFn, self, context) { var state = "suspendedStart"; return function (method, arg) { if ("executing" === state) throw new Error("Generator is already running"); if ("completed" === state) { if ("throw" === method) throw arg; return doneResult(); } for (context.method = method, context.arg = arg;;) { var delegate = context.delegate; if (delegate) { var delegateResult = maybeInvokeDelegate(delegate, context); if (delegateResult) { if (delegateResult === ContinueSentinel) continue; return delegateResult; } } if ("next" === context.method) context.sent = context._sent = context.arg;else if ("throw" === context.method) { if ("suspendedStart" === state) throw state = "completed", context.arg; context.dispatchException(context.arg); } else "return" === context.method && context.abrupt("return", context.arg); state = "executing"; var record = tryCatch(innerFn, self, context); if ("normal" === record.type) { if (state = context.done ? "completed" : "suspendedYield", record.arg === ContinueSentinel) continue; return { value: record.arg, done: context.done }; } "throw" === record.type && (state = "completed", context.method = "throw", context.arg = record.arg); } }; } function maybeInvokeDelegate(delegate, context) { var methodName = context.method, method = delegate.iterator[methodName]; if (undefined === method) return context.delegate = null, "throw" === methodName && delegate.iterator["return"] && (context.method = "return", context.arg = undefined, maybeInvokeDelegate(delegate, context), "throw" === context.method) || "return" !== methodName && (context.method = "throw", context.arg = new TypeError("The iterator does not provide a '" + methodName + "' method")), ContinueSentinel; var record = tryCatch(method, delegate.iterator, context.arg); if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel; var info = record.arg; return info ? info.done ? (context[delegate.resultName] = info.value, context.next = delegate.nextLoc, "return" !== context.method && (context.method = "next", context.arg = undefined), context.delegate = null, ContinueSentinel) : info : (context.method = "throw", context.arg = new TypeError("iterator result is not an object"), context.delegate = null, ContinueSentinel); } function pushTryEntry(locs) { var entry = { tryLoc: locs[0] }; 1 in locs && (entry.catchLoc = locs[1]), 2 in locs && (entry.finallyLoc = locs[2], entry.afterLoc = locs[3]), this.tryEntries.push(entry); } function resetTryEntry(entry) { var record = entry.completion || {}; record.type = "normal", delete record.arg, entry.completion = record; } function Context(tryLocsList) { this.tryEntries = [{ tryLoc: "root" }], tryLocsList.forEach(pushTryEntry, this), this.reset(!0); } function values(iterable) { if (iterable) { var iteratorMethod = iterable[iteratorSymbol]; if (iteratorMethod) return iteratorMethod.call(iterable); if ("function" == typeof iterable.next) return iterable; if (!isNaN(iterable.length)) { var i = -1, next = function next() { for (; ++i < iterable.length;) if (hasOwn.call(iterable, i)) return next.value = iterable[i], next.done = !1, next; return next.value = undefined, next.done = !0, next; }; return next.next = next; } } return { next: doneResult }; } function doneResult() { return { value: undefined, done: !0 }; } return GeneratorFunction.prototype = GeneratorFunctionPrototype, defineProperty(Gp, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), defineProperty(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) { var ctor = "function" == typeof genFun && genFun.constructor; return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name)); }, exports.mark = function (genFun) { return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun; }, exports.awrap = function (arg) { return { __await: arg }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () { return this; }), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) { void 0 === PromiseImpl && (PromiseImpl = Promise); var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl); return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) { return result.done ? result.value : iter.next(); }); }, defineIteratorMethods(Gp), define(Gp, toStringTagSymbol, "Generator"), define(Gp, iteratorSymbol, function () { return this; }), define(Gp, "toString", function () { return "[object Generator]"; }), exports.keys = function (val) { var object = Object(val), keys = []; for (var key in object) keys.push(key); return keys.reverse(), function next() { for (; keys.length;) { var key = keys.pop(); if (key in object) return next.value = key, next.done = !1, next; } return next.done = !0, next; }; }, exports.values = values, Context.prototype = { constructor: Context, reset: function reset(skipTempReset) { if (this.prev = 0, this.next = 0, this.sent = this._sent = undefined, this.done = !1, this.delegate = null, this.method = "next", this.arg = undefined, this.tryEntries.forEach(resetTryEntry), !skipTempReset) for (var name in this) "t" === name.charAt(0) && hasOwn.call(this, name) && !isNaN(+name.slice(1)) && (this[name] = undefined); }, stop: function stop() { this.done = !0; var rootRecord = this.tryEntries[0].completion; if ("throw" === rootRecord.type) throw rootRecord.arg; return this.rval; }, dispatchException: function dispatchException(exception) { if (this.done) throw exception; var context = this; function handle(loc, caught) { return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught; } for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i], record = entry.completion; if ("root" === entry.tryLoc) return handle("end"); if (entry.tryLoc <= this.prev) { var hasCatch = hasOwn.call(entry, "catchLoc"), hasFinally = hasOwn.call(entry, "finallyLoc"); if (hasCatch && hasFinally) { if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0); if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc); } else if (hasCatch) { if (this.prev < entry.catchLoc) return handle(entry.catchLoc, !0); } else { if (!hasFinally) throw new Error("try statement without catch or finally"); if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc); } } } }, abrupt: function abrupt(type, arg) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) { var finallyEntry = entry; break; } } finallyEntry && ("break" === type || "continue" === type) && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc && (finallyEntry = null); var record = finallyEntry ? finallyEntry.completion : {}; return record.type = type, record.arg = arg, finallyEntry ? (this.method = "next", this.next = finallyEntry.finallyLoc, ContinueSentinel) : this.complete(record); }, complete: function complete(record, afterLoc) { if ("throw" === record.type) throw record.arg; return "break" === record.type || "continue" === record.type ? this.next = record.arg : "return" === record.type ? (this.rval = this.arg = record.arg, this.method = "return", this.next = "end") : "normal" === record.type && afterLoc && (this.next = afterLoc), ContinueSentinel; }, finish: function finish(finallyLoc) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel; } }, "catch": function _catch(tryLoc) { for (var i = this.tryEntries.length - 1; i >= 0; --i) { var entry = this.tryEntries[i]; if (entry.tryLoc === tryLoc) { var record = entry.completion; if ("throw" === record.type) { var thrown = record.arg; resetTryEntry(entry); } return thrown; } } throw new Error("illegal catch attempt"); }, delegateYield: function delegateYield(iterable, resultName, nextLoc) { return this.delegate = { iterator: values(iterable), resultName: resultName, nextLoc: nextLoc }, "next" === this.method && (this.arg = undefined), ContinueSentinel; } }, exports; } module.exports = _regeneratorRuntime, module.exports.__esModule = true, module.exports["default"] = module.exports; } (regeneratorRuntime$1)); // TODO(Babel 8): Remove this file. var runtime = regeneratorRuntimeExports(); var regenerator = runtime; // Copied from https://github.com/facebook/regenerator/blob/main/packages/runtime/runtime.js#L736= try { regeneratorRuntime = runtime; } catch (accidentalStrictMode) { if (typeof globalThis === "object") { globalThis.regeneratorRuntime = runtime; } else { Function("r", "regeneratorRuntime = r")(runtime); } } var propTypesExports = {}; var propTypes = { get exports(){ return propTypesExports; }, set exports(v){ propTypesExports = v; }, }; /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ var ReactPropTypesSecret$1 = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'; var ReactPropTypesSecret_1 = ReactPropTypesSecret$1; /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ var ReactPropTypesSecret = ReactPropTypesSecret_1; function emptyFunction() {} function emptyFunctionWithReset() {} emptyFunctionWithReset.resetWarningCache = emptyFunction; var factoryWithThrowingShims = function() { function shim(props, propName, componentName, location, propFullName, secret) { if (secret === ReactPropTypesSecret) { // It is still safe when called from React. return; } var err = new Error( 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' + 'Use PropTypes.checkPropTypes() to call them. ' + 'Read more at http://fb.me/use-check-prop-types' ); err.name = 'Invariant Violation'; throw err; } shim.isRequired = shim; function getShim() { return shim; } // Important! // Keep this list in sync with production version in `./factoryWithTypeCheckers.js`. var ReactPropTypes = { array: shim, bigint: shim, bool: shim, func: shim, number: shim, object: shim, string: shim, symbol: shim, any: shim, arrayOf: getShim, element: shim, elementType: shim, instanceOf: getShim, node: shim, objectOf: getShim, oneOf: getShim, oneOfType: getShim, shape: getShim, exact: getShim, checkPropTypes: emptyFunctionWithReset, resetWarningCache: emptyFunction }; ReactPropTypes.PropTypes = ReactPropTypes; return ReactPropTypes; }; /** * Copyright (c) 2013-present, Facebook, Inc. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ { // By explicitly using `prop-types` you are opting into new production behavior. // http://fb.me/prop-types-in-prod propTypes.exports = factoryWithThrowingShims(); } function makeBlob(_x) { return _makeBlob.apply(this, arguments); } function _makeBlob() { _makeBlob = _asyncToGenerator( /*#__PURE__*/regenerator.mark(function _callee(imageUrl) { var options, _args = arguments; return regenerator.wrap(function _callee$(_context) { while (1) switch (_context.prev = _context.next) { case 0: options = _args.length > 1 && _args[1] !== undefined ? _args[1] : {}; if (imageUrl) { _context.next = 3; break; } return _context.abrupt("return", Promise.resolve({ error: true, message: "No image URL provided" })); case 3: return _context.abrupt("return", fetch(imageUrl, options).then(function (response) { if (response.status >= 200 && response.status <= 299) { return response.blob(); } else { throw Error(response.statusText); } }).then(function (blobResponse) { return URL.createObjectURL(blobResponse); }).catch(function (e) { return Promise.resolve({ error: true, message: "Error creating image from url: ".concat(e) }); })); case 4: case "end": return _context.stop(); } }, _callee); })); return _makeBlob.apply(this, arguments); } function mimicDownload(blob, imageTitle) { var a = document.createElement("a"); a.href = blob; a.download = imageTitle; document.body.appendChild(a); a.click(); document.body.removeChild(a); } function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); } var DownloadIcon = (({ styles = {}, ...props }) => /*#__PURE__*/React.createElement("svg", _extends({ viewBox: "0 0 32 32", xmlns: "http://www.w3.org/2000/svg" }, props), /*#__PURE__*/React.createElement("path", { d: "M31 22a1 1 0 00-1 1v7H2v-7a1 1 0 00-2 0v8a1 1 0 001 1h30a1 1 0 001-1v-8a1 1 0 00-1-1z" }), /*#__PURE__*/React.createElement("path", { d: "M15.27 23.707c.389.385 1.04.389 1.429 0l6.999-6.9a.993.993 0 000-1.414 1.016 1.016 0 00-1.428 0l-5.275 5.2V1c0-.552-.452-1-1.01-1s-1.01.448-1.01 1v19.593l-5.275-5.2a1.016 1.016 0 00-1.428 0 .992.992 0 000 1.414l6.998 6.9z" }))); var _excluded = ["imageUrl", "imageTitle", "iconColor", "children", "imageUrlOptions"]; var ImageDownloader = function ImageDownloader(_ref) { var imageUrl = _ref.imageUrl, imageTitle = _ref.imageTitle, iconColor = _ref.iconColor, children = _ref.children, imageUrlOptions = _ref.imageUrlOptions, restProps = _objectWithoutProperties(_ref, _excluded); var _React$useState = React.useState(), _React$useState2 = _slicedToArray(_React$useState, 2), loading = _React$useState2[0], setLoading = _React$useState2[1]; var _React$useState3 = React.useState(), _React$useState4 = _slicedToArray(_React$useState3, 2), error = _React$useState4[0], setError = _React$useState4[1]; function handleClick() { return _handleClick.apply(this, arguments); } function _handleClick() { _handleClick = _asyncToGenerator( /*#__PURE__*/regenerator.mark(function _callee() { var response; return regenerator.wrap(function _callee$(_context) { while (1) switch (_context.prev = _context.next) { case 0: setLoading(true); setError(null); _context.next = 4; return makeBlob(imageUrl, imageUrlOptions); case 4: response = _context.sent; if (!(!response || response.error)) { _context.next = 9; break; } setError(response.error ? response.message : "There was an error creating the image"); setLoading(false); return _context.abrupt("return"); case 9: mimicDownload(response, imageTitle); setLoading(false); case 11: case "end": return _context.stop(); } }, _callee); })); return _handleClick.apply(this, arguments); } return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("button", _extends$1({ onClick: handleClick, disabled: loading }, restProps), /*#__PURE__*/React.createElement("div", { style: { display: "flex", justifyContent: "center", alignItems: "center" } }, loading ? /*#__PURE__*/React.createElement(svgLoadersReact.Bars, { fill: iconColor, height: "18px", width: "24px" }) : /*#__PURE__*/React.createElement(DownloadIcon, { fill: iconColor, height: "18px", width: "18px" }), /*#__PURE__*/React.createElement("span", { style: { paddingLeft: "5px" } }, children))), error && /*#__PURE__*/React.createElement("p", { className: "image-downloader--error-message" }, error)); }; ImageDownloader.propTypes = { /** URL of image to download */ imageUrl: propTypesExports.string.isRequired, /** File name for download .jpeg */ imageTitle: propTypesExports.string.isRequired, /** Hex color value for download and loading icons */ iconColor: propTypesExports.string, /** Inline CSS styling */ style: propTypesExports.object, /** Button content (typically this would just be label text) */ children: propTypesExports.node }; ImageDownloader.defaultProps = { iconColor: "#333", imageUrl: "", imageTitle: "download" }; exports.ImageDownloader = ImageDownloader; exports.makeBlob = makeBlob; exports.mimicDownload = mimicDownload;