fix: remove LEGACY mode (#1867)

CONTRIBUTING.md

@@ -138,12 +138,6 @@ updating the `fixtures/` should make that a no-op.
 There are also some unit tests that run in Node using Mocha. You can find them in `tests/unit` and
 run them using `yarn run test-unit`.
 
-## Legacy build
-
-Pinafore also offers a "legacy" build designed for older browsers. To build this version, use:
-
-    LEGACY=1 yarn build
-
 ## Debug build
 
 To disable minification in a production build (for debugging purposes), you can run:

bin/build-inline-script.js

@@ -6,7 +6,6 @@ import { rollup } from 'rollup'
 import { terser } from 'rollup-plugin-terser'
 import replace from '@rollup/plugin-replace'
 import fromPairs from 'lodash-es/fromPairs'
-import babel from 'rollup-plugin-babel'
 import { themes } from '../src/routes/_static/themes'
 import terserOptions from './terserOptions'
 
@@ -22,13 +21,8 @@ export async function buildInlineScript () {
     plugins: [
       replace({
         'process.browser': true,
-        'process.env.LEGACY': JSON.stringify(process.env.LEGACY),
         'process.env.THEME_COLORS': JSON.stringify(themeColors)
       }),
-      process.env.LEGACY && babel({
-        runtimeHelpers: true,
-        presets: ['@babel/preset-env']
-      }),
       !process.env.DEBUG && terser(terserOptions)
     ]
   })

package.json

@@ -43,16 +43,8 @@
     "build-vercel-json": "node -r esm bin/build-vercel-json.js"
   },
   "dependencies": {
-    "@babel/core": "^7.10.5",
-    "@babel/plugin-transform-runtime": "^7.10.5",
-    "@babel/preset-env": "^7.10.4",
-    "@babel/runtime": "^7.10.5",
     "@rollup/plugin-replace": "^2.3.3",
-    "@webcomponents/custom-elements": "^1.4.1",
-    "@webcomponents/shadydom": "^1.7.3",
-    "array-flat-polyfill": "^1.0.1",
     "arrow-key-navigation": "^1.2.0",
-    "babel-loader": "^8.1.0",
     "blurhash": "^1.1.3",
     "cheerio": "^1.0.0-rc.3",
     "child-process-promise": "^2.2.1",
@@ -75,9 +67,6 @@
     "focus-visible": "^5.1.0",
     "form-data": "^3.0.0",
     "glob": "^7.1.6",
-    "indexeddb-getall-shim": "^1.3.6",
-    "intersection-observer": "^0.11.0",
-    "intl": "^1.2.5",
     "li": "^1.3.0",
     "localstorage-memory": "^1.0.3",
     "lodash-es": "^4.17.15",

src/client.js

@@ -1,4 +1,3 @@
-import './routes/_thirdparty/regenerator-runtime/runtime.js'
 import * as sapper from '../__sapper__/client.js'
 import './routes/_utils/serviceWorkerClient'
 import './routes/_utils/historyEvents'

src/routes/_components/dialog/components/EmojiDialog.html

@@ -68,40 +68,6 @@
   import { doubleRAF } from '../../../_utils/doubleRAF'
   import { convertCustomEmojiToEmojiPickerFormat } from '../../../_utils/convertCustomEmojiToEmojiPickerFormat'
 
-  function applyShadowDomPolyfill (picker) {
-    // polyfill for :host, plus other fixes mostly targeted at KaiOS.
-    // We could use shadycss, but it doesn't really work for our use case (has to be injected
-    // into the web component's connectedCallback directly).
-    const style = picker.shadowRoot.querySelector('style')
-    style.remove()
-    if (!document.getElementById('emoji-picker-style')) {
-      let css = style.textContent
-      css = css.replace(/:host\(([.*?])\)/g, 'emoji-picker$1')
-      css = css.replace(/:host/g, 'emoji-picker')
-      css = css.replace(/\*/g, 'emoji-picker *')
-      css = css.replace(/\b(button|input|input\[type=search\])\s*\{/, 'emoji-picker $1{')
-      // fixes for KaiOS style bugs
-      css += `
-            emoji-picker .emoji-menu {
-              grid-template-columns: repeat(8, 1fr);
-            }
-
-            @media screen and (max-width: 320px) {
-              emoji-picker .emoji-menu {
-                grid-template-columns: repeat(6, 1fr);
-              }
-              .emoji-container {
-                width: calc(100% - 20px);
-              }
-            }
-          `
-      const newStyle = document.createElement('style')
-      newStyle.id = 'emoji-picker-style'
-      newStyle.textContent = css
-      document.head.appendChild(newStyle)
-    }
-  }
-
   export default {
     async oncreate () {
       onCreateDialog.call(this)
@@ -117,9 +83,6 @@
       }
       applyFocusVisiblePolyfill(picker.shadowRoot)
       registerShadowRoot(picker.shadowRoot)
-      if (process.env.LEGACY && !HTMLElement.prototype.attachShadow.toString().includes('[native code]')) {
-        applyShadowDomPolyfill(picker)
-      }
       this.on('destroy', () => unregisterShadowRoot(picker.shadowRoot))
       if (!isUserTouching) { // auto focus the input on desktop
         doubleRAF(() => { // triple rAF because a11y tries to focus as well

src/routes/_components/dialog/components/MediaAltEditor.html

@@ -20,24 +20,21 @@
     max={mediaAltCharLimit}
     style="width: 100%; text-align: right;"
   />
-  <!-- WASM is unlikely to work on older browsers and Tesseract.js is a big dependency -->
+  <button class="extract-text-button" type="button"
-  {#if !legacy}
+          on:click="onClick()"
-    <button class="extract-text-button" type="button"
+          disabled={extracting}
-            on:click="onClick()"
+          aria-label={extractButtonLabel}
-            disabled={extracting}
+  >
-            aria-label={extractButtonLabel}
+    <SvgIcon href="{extracting ? '#fa-spinner' : '#fa-magic'}"
-    >
+             className="extract-text-svg {extracting ? 'spin' : ''}"
-      <SvgIcon href="{extracting ? '#fa-spinner' : '#fa-magic'}"
-               className="extract-text-svg {extracting ? 'spin' : ''}"
-      />
-      <span>{extractButtonText}</span>
-    </button>
-    <LengthGauge
-      length={extractionProgress}
-      overLimit={false}
-      max={100}
     />
-  {/if}
+    <span>{extractButtonText}</span>
+  </button>
+  <LengthGauge
+    length={extractionProgress}
+    overLimit={false}
+    max={100}
+  />
 </div>
 <style>
   .media-alt-editor {
@@ -128,8 +125,7 @@
       mediaAltCharLimit: MEDIA_ALT_CHAR_LIMIT,
       extracting: false,
       className: '',
-      extractionProgress: 0,
+      extractionProgress: 0
-      legacy: process.env.LEGACY
     }),
     computed: {
       length: ({ rawText }) => length(rawText || ''),

src/routes/_thirdparty/regenerator-runtime/LICENSE

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2014-present, Facebook, Inc.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

src/routes/_thirdparty/regenerator-runtime/runtime.js

@@ -1,709 +0,0 @@
-/* eslint-disable */
-// via https://unpkg.com/browse/regenerator-runtime@0.13.3/
-/**
- * Copyright (c) 2014-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 globalObj = (typeof self !== 'undefined' ? self : window);
-globalObj.regeneratorRuntime = (function (exports) {
-  "use strict";
-
-  var Op = Object.prototype;
-  var hasOwn = Op.hasOwnProperty;
-  var undefined; // More compressible than void 0.
-  var $Symbol = typeof Symbol === "function" ? Symbol : {};
-  var iteratorSymbol = $Symbol.iterator || "@@iterator";
-  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
-  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
-
-  function wrap(innerFn, outerFn, self, tryLocsList) {
-    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
-    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
-    var generator = Object.create(protoGenerator.prototype);
-    var context = new Context(tryLocsList || []);
-
-    // The ._invoke method unifies the implementations of the .next,
-    // .throw, and .return methods.
-    generator._invoke = makeInvokeMethod(innerFn, self, context);
-
-    return generator;
-  }
-  exports.wrap = wrap;
-
-  // Try/catch helper to minimize deoptimizations. Returns a completion
-  // record like context.tryEntries[i].completion. This interface could
-  // have been (and was previously) designed to take a closure to be
-  // invoked without arguments, but in all the cases we care about we
-  // already have an existing method we want to call, so there's no need
-  // to create a new function object. We can even get away with assuming
-  // the method takes exactly one argument, since that happens to be true
-  // in every case, so we don't have to touch the arguments object. The
-  // only additional allocation required is the completion record, which
-  // has a stable shape and so hopefully should be cheap to allocate.
-  function tryCatch(fn, obj, arg) {
-    try {
-      return { type: "normal", arg: fn.call(obj, arg) };
-    } catch (err) {
-      return { type: "throw", arg: err };
-    }
-  }
-
-  var GenStateSuspendedStart = "suspendedStart";
-  var GenStateSuspendedYield = "suspendedYield";
-  var GenStateExecuting = "executing";
-  var GenStateCompleted = "completed";
-
-  // Returning this object from the innerFn has the same effect as
-  // breaking out of the dispatch switch statement.
-  var ContinueSentinel = {};
-
-  // Dummy constructor functions that we use as the .constructor and
-  // .constructor.prototype properties for functions that return Generator
-  // objects. For full spec compliance, you may wish to configure your
-  // minifier not to mangle the names of these two functions.
-  function Generator() {}
-  function GeneratorFunction() {}
-  function GeneratorFunctionPrototype() {}
-
-  // This is a polyfill for %IteratorPrototype% for environments that
-  // don't natively support it.
-  var IteratorPrototype = {};
-  IteratorPrototype[iteratorSymbol] = function () {
-    return this;
-  };
-
-  var getProto = Object.getPrototypeOf;
-  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
-  if (NativeIteratorPrototype &&
-    NativeIteratorPrototype !== Op &&
-    hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
-    // This environment has a native %IteratorPrototype%; use it instead
-    // of the polyfill.
-    IteratorPrototype = NativeIteratorPrototype;
-  }
-
-  var Gp = GeneratorFunctionPrototype.prototype =
-    Generator.prototype = Object.create(IteratorPrototype);
-  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
-  GeneratorFunctionPrototype.constructor = GeneratorFunction;
-  GeneratorFunctionPrototype[toStringTagSymbol] =
-    GeneratorFunction.displayName = "GeneratorFunction";
-
-  // Helper for defining the .next, .throw, and .return methods of the
-  // Iterator interface in terms of a single ._invoke method.
-  function defineIteratorMethods(prototype) {
-    ["next", "throw", "return"].forEach(function(method) {
-      prototype[method] = function(arg) {
-        return this._invoke(method, arg);
-      };
-    });
-  }
-
-  exports.isGeneratorFunction = function(genFun) {
-    var ctor = typeof genFun === "function" && genFun.constructor;
-    return ctor
-      ? ctor === GeneratorFunction ||
-      // For the native GeneratorFunction constructor, the best we can
-      // do is to check its .name property.
-      (ctor.displayName || ctor.name) === "GeneratorFunction"
-      : false;
-  };
-
-  exports.mark = function(genFun) {
-    if (Object.setPrototypeOf) {
-      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
-    } else {
-      genFun.__proto__ = GeneratorFunctionPrototype;
-      if (!(toStringTagSymbol in genFun)) {
-        genFun[toStringTagSymbol] = "GeneratorFunction";
-      }
-    }
-    genFun.prototype = Object.create(Gp);
-    return genFun;
-  };
-
-  // Within the body of any async function, `await x` is transformed to
-  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
-  // `hasOwn.call(value, "__await")` to determine if the yielded value is
-  // meant to be awaited.
-  exports.awrap = function(arg) {
-    return { __await: arg };
-  };
-
-  function AsyncIterator(generator) {
-    function invoke(method, arg, resolve, reject) {
-      var record = tryCatch(generator[method], generator, arg);
-      if (record.type === "throw") {
-        reject(record.arg);
-      } else {
-        var result = record.arg;
-        var value = result.value;
-        if (value &&
-          typeof value === "object" &&
-          hasOwn.call(value, "__await")) {
-          return Promise.resolve(value.__await).then(function(value) {
-            invoke("next", value, resolve, reject);
-          }, function(err) {
-            invoke("throw", err, resolve, reject);
-          });
-        }
-
-        return Promise.resolve(value).then(function(unwrapped) {
-          // When a yielded Promise is resolved, its final value becomes
-          // the .value of the Promise<{value,done}> result for the
-          // current iteration.
-          result.value = unwrapped;
-          resolve(result);
-        }, function(error) {
-          // If a rejected Promise was yielded, throw the rejection back
-          // into the async generator function so it can be handled there.
-          return invoke("throw", error, resolve, reject);
-        });
-      }
-    }
-
-    var previousPromise;
-
-    function enqueue(method, arg) {
-      function callInvokeWithMethodAndArg() {
-        return new Promise(function(resolve, reject) {
-          invoke(method, arg, resolve, reject);
-        });
-      }
-
-      return previousPromise =
-        // If enqueue has been called before, then we want to wait until
-        // all previous Promises have been resolved before calling invoke,
-        // so that results are always delivered in the correct order. If
-        // enqueue has not been called before, then it is important to
-        // call invoke immediately, without waiting on a callback to fire,
-        // so that the async generator function has the opportunity to do
-        // any necessary setup in a predictable way. This predictability
-        // is why the Promise constructor synchronously invokes its
-        // executor callback, and why async functions synchronously
-        // execute code before the first await. Since we implement simple
-        // async functions in terms of async generators, it is especially
-        // important to get this right, even though it requires care.
-        previousPromise ? previousPromise.then(
-          callInvokeWithMethodAndArg,
-          // Avoid propagating failures to Promises returned by later
-          // invocations of the iterator.
-          callInvokeWithMethodAndArg
-        ) : callInvokeWithMethodAndArg();
-    }
-
-    // Define the unified helper method that is used to implement .next,
-    // .throw, and .return (see defineIteratorMethods).
-    this._invoke = enqueue;
-  }
-
-  defineIteratorMethods(AsyncIterator.prototype);
-  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
-    return this;
-  };
-  exports.AsyncIterator = AsyncIterator;
-
-  // Note that simple async functions are implemented on top of
-  // AsyncIterator objects; they just return a Promise for the value of
-  // the final result produced by the iterator.
-  exports.async = function(innerFn, outerFn, self, tryLocsList) {
-    var iter = new AsyncIterator(
-      wrap(innerFn, outerFn, self, tryLocsList)
-    );
-
-    return exports.isGeneratorFunction(outerFn)
-      ? iter // If outerFn is a generator, return the full iterator.
-      : iter.next().then(function(result) {
-        return result.done ? result.value : iter.next();
-      });
-  };
-
-  function makeInvokeMethod(innerFn, self, context) {
-    var state = GenStateSuspendedStart;
-
-    return function invoke(method, arg) {
-      if (state === GenStateExecuting) {
-        throw new Error("Generator is already running");
-      }
-
-      if (state === GenStateCompleted) {
-        if (method === "throw") {
-          throw arg;
-        }
-
-        // Be forgiving, per 25.3.3.3.3 of the spec:
-        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
-        return doneResult();
-      }
-
-      context.method = method;
-      context.arg = arg;
-
-      while (true) {
-        var delegate = context.delegate;
-        if (delegate) {
-          var delegateResult = maybeInvokeDelegate(delegate, context);
-          if (delegateResult) {
-            if (delegateResult === ContinueSentinel) continue;
-            return delegateResult;
-          }
-        }
-
-        if (context.method === "next") {
-          // Setting context._sent for legacy support of Babel's
-          // function.sent implementation.
-          context.sent = context._sent = context.arg;
-
-        } else if (context.method === "throw") {
-          if (state === GenStateSuspendedStart) {
-            state = GenStateCompleted;
-            throw context.arg;
-          }
-
-          context.dispatchException(context.arg);
-
-        } else if (context.method === "return") {
-          context.abrupt("return", context.arg);
-        }
-
-        state = GenStateExecuting;
-
-        var record = tryCatch(innerFn, self, context);
-        if (record.type === "normal") {
-          // If an exception is thrown from innerFn, we leave state ===
-          // GenStateExecuting and loop back for another invocation.
-          state = context.done
-            ? GenStateCompleted
-            : GenStateSuspendedYield;
-
-          if (record.arg === ContinueSentinel) {
-            continue;
-          }
-
-          return {
-            value: record.arg,
-            done: context.done
-          };
-
-        } else if (record.type === "throw") {
-          state = GenStateCompleted;
-          // Dispatch the exception by looping back around to the
-          // context.dispatchException(context.arg) call above.
-          context.method = "throw";
-          context.arg = record.arg;
-        }
-      }
-    };
-  }
-
-  // Call delegate.iterator[context.method](context.arg) and handle the
-  // result, either by returning a { value, done } result from the
-  // delegate iterator, or by modifying context.method and context.arg,
-  // setting context.delegate to null, and returning the ContinueSentinel.
-  function maybeInvokeDelegate(delegate, context) {
-    var method = delegate.iterator[context.method];
-    if (method === undefined) {
-      // A .throw or .return when the delegate iterator has no .throw
-      // method always terminates the yield* loop.
-      context.delegate = null;
-
-      if (context.method === "throw") {
-        // Note: ["return"] must be used for ES3 parsing compatibility.
-        if (delegate.iterator["return"]) {
-          // If the delegate iterator has a return method, give it a
-          // chance to clean up.
-          context.method = "return";
-          context.arg = undefined;
-          maybeInvokeDelegate(delegate, context);
-
-          if (context.method === "throw") {
-            // If maybeInvokeDelegate(context) changed context.method from
-            // "return" to "throw", let that override the TypeError below.
-            return ContinueSentinel;
-          }
-        }
-
-        context.method = "throw";
-        context.arg = new TypeError(
-          "The iterator does not provide a 'throw' method");
-      }
-
-      return ContinueSentinel;
-    }
-
-    var record = tryCatch(method, delegate.iterator, context.arg);
-
-    if (record.type === "throw") {
-      context.method = "throw";
-      context.arg = record.arg;
-      context.delegate = null;
-      return ContinueSentinel;
-    }
-
-    var info = record.arg;
-
-    if (! info) {
-      context.method = "throw";
-      context.arg = new TypeError("iterator result is not an object");
-      context.delegate = null;
-      return ContinueSentinel;
-    }
-
-    if (info.done) {
-      // Assign the result of the finished delegate to the temporary
-      // variable specified by delegate.resultName (see delegateYield).
-      context[delegate.resultName] = info.value;
-
-      // Resume execution at the desired location (see delegateYield).
-      context.next = delegate.nextLoc;
-
-      // If context.method was "throw" but the delegate handled the
-      // exception, let the outer generator proceed normally. If
-      // context.method was "next", forget context.arg since it has been
-      // "consumed" by the delegate iterator. If context.method was
-      // "return", allow the original .return call to continue in the
-      // outer generator.
-      if (context.method !== "return") {
-        context.method = "next";
-        context.arg = undefined;
-      }
-
-    } else {
-      // Re-yield the result returned by the delegate method.
-      return info;
-    }
-
-    // The delegate iterator is finished, so forget it and continue with
-    // the outer generator.
-    context.delegate = null;
-    return ContinueSentinel;
-  }
-
-  // Define Generator.prototype.{next,throw,return} in terms of the
-  // unified ._invoke helper method.
-  defineIteratorMethods(Gp);
-
-  Gp[toStringTagSymbol] = "Generator";
-
-  // A Generator should always return itself as the iterator object when the
-  // @@iterator function is called on it. Some browsers' implementations of the
-  // iterator prototype chain incorrectly implement this, causing the Generator
-  // object to not be returned from this call. This ensures that doesn't happen.
-  // See https://github.com/facebook/regenerator/issues/274 for more details.
-  Gp[iteratorSymbol] = function() {
-    return this;
-  };
-
-  Gp.toString = function() {
-    return "[object Generator]";
-  };
-
-  function pushTryEntry(locs) {
-    var entry = { tryLoc: locs[0] };
-
-    if (1 in locs) {
-      entry.catchLoc = locs[1];
-    }
-
-    if (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) {
-    // The root entry object (effectively a try statement without a catch
-    // or a finally block) gives us a place to store values thrown from
-    // locations where there is no enclosing try statement.
-    this.tryEntries = [{ tryLoc: "root" }];
-    tryLocsList.forEach(pushTryEntry, this);
-    this.reset(true);
-  }
-
-  exports.keys = function(object) {
-    var keys = [];
-    for (var key in object) {
-      keys.push(key);
-    }
-    keys.reverse();
-
-    // Rather than returning an object with a next method, we keep
-    // things simple and return the next function itself.
-    return function next() {
-      while (keys.length) {
-        var key = keys.pop();
-        if (key in object) {
-          next.value = key;
-          next.done = false;
-          return next;
-        }
-      }
-
-      // To avoid creating an additional object, we just hang the .value
-      // and .done properties off the next function object itself. This
-      // also ensures that the minifier will not anonymize the function.
-      next.done = true;
-      return next;
-    };
-  };
-
-  function values(iterable) {
-    if (iterable) {
-      var iteratorMethod = iterable[iteratorSymbol];
-      if (iteratorMethod) {
-        return iteratorMethod.call(iterable);
-      }
-
-      if (typeof iterable.next === "function") {
-        return iterable;
-      }
-
-      if (!isNaN(iterable.length)) {
-        var i = -1, next = function next() {
-          while (++i < iterable.length) {
-            if (hasOwn.call(iterable, i)) {
-              next.value = iterable[i];
-              next.done = false;
-              return next;
-            }
-          }
-
-          next.value = undefined;
-          next.done = true;
-
-          return next;
-        };
-
-        return next.next = next;
-      }
-    }
-
-    // Return an iterator with no values.
-    return { next: doneResult };
-  }
-  exports.values = values;
-
-  function doneResult() {
-    return { value: undefined, done: true };
-  }
-
-  Context.prototype = {
-    constructor: Context,
-
-    reset: function(skipTempReset) {
-      this.prev = 0;
-      this.next = 0;
-      // Resetting context._sent for legacy support of Babel's
-      // function.sent implementation.
-      this.sent = this._sent = undefined;
-      this.done = false;
-      this.delegate = null;
-
-      this.method = "next";
-      this.arg = undefined;
-
-      this.tryEntries.forEach(resetTryEntry);
-
-      if (!skipTempReset) {
-        for (var name in this) {
-          // Not sure about the optimal order of these conditions:
-          if (name.charAt(0) === "t" &&
-            hasOwn.call(this, name) &&
-            !isNaN(+name.slice(1))) {
-            this[name] = undefined;
-          }
-        }
-      }
-    },
-
-    stop: function() {
-      this.done = true;
-
-      var rootEntry = this.tryEntries[0];
-      var rootRecord = rootEntry.completion;
-      if (rootRecord.type === "throw") {
-        throw rootRecord.arg;
-      }
-
-      return this.rval;
-    },
-
-    dispatchException: function(exception) {
-      if (this.done) {
-        throw exception;
-      }
-
-      var context = this;
-      function handle(loc, caught) {
-        record.type = "throw";
-        record.arg = exception;
-        context.next = loc;
-
-        if (caught) {
-          // If the dispatched exception was caught by a catch block,
-          // then let that catch block handle the exception normally.
-          context.method = "next";
-          context.arg = undefined;
-        }
-
-        return !! caught;
-      }
-
-      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
-        var entry = this.tryEntries[i];
-        var record = entry.completion;
-
-        if (entry.tryLoc === "root") {
-          // Exception thrown outside of any try block that could handle
-          // it, so set the completion value of the entire function to
-          // throw the exception.
-          return handle("end");
-        }
-
-        if (entry.tryLoc <= this.prev) {
-          var hasCatch = hasOwn.call(entry, "catchLoc");
-          var hasFinally = hasOwn.call(entry, "finallyLoc");
-
-          if (hasCatch && hasFinally) {
-            if (this.prev < entry.catchLoc) {
-              return handle(entry.catchLoc, true);
-            } else if (this.prev < entry.finallyLoc) {
-              return handle(entry.finallyLoc);
-            }
-
-          } else if (hasCatch) {
-            if (this.prev < entry.catchLoc) {
-              return handle(entry.catchLoc, true);
-            }
-
-          } else if (hasFinally) {
-            if (this.prev < entry.finallyLoc) {
-              return handle(entry.finallyLoc);
-            }
-
-          } else {
-            throw new Error("try statement without catch or finally");
-          }
-        }
-      }
-    },
-
-    abrupt: function(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;
-        }
-      }
-
-      if (finallyEntry &&
-        (type === "break" ||
-          type === "continue") &&
-        finallyEntry.tryLoc <= arg &&
-        arg <= finallyEntry.finallyLoc) {
-        // Ignore the finally entry if control is not jumping to a
-        // location outside the try/catch block.
-        finallyEntry = null;
-      }
-
-      var record = finallyEntry ? finallyEntry.completion : {};
-      record.type = type;
-      record.arg = arg;
-
-      if (finallyEntry) {
-        this.method = "next";
-        this.next = finallyEntry.finallyLoc;
-        return ContinueSentinel;
-      }
-
-      return this.complete(record);
-    },
-
-    complete: function(record, afterLoc) {
-      if (record.type === "throw") {
-        throw record.arg;
-      }
-
-      if (record.type === "break" ||
-        record.type === "continue") {
-        this.next = record.arg;
-      } else if (record.type === "return") {
-        this.rval = this.arg = record.arg;
-        this.method = "return";
-        this.next = "end";
-      } else if (record.type === "normal" && afterLoc) {
-        this.next = afterLoc;
-      }
-
-      return ContinueSentinel;
-    },
-
-    finish: function(finallyLoc) {
-      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
-        var entry = this.tryEntries[i];
-        if (entry.finallyLoc === finallyLoc) {
-          this.complete(entry.completion, entry.afterLoc);
-          resetTryEntry(entry);
-          return ContinueSentinel;
-        }
-      }
-    },
-
-    "catch": function(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 (record.type === "throw") {
-            var thrown = record.arg;
-            resetTryEntry(entry);
-          }
-          return thrown;
-        }
-      }
-
-      // The context.catch method must only be called with a location
-      // argument that corresponds to a known catch block.
-      throw new Error("illegal catch attempt");
-    },
-
-    delegateYield: function(iterable, resultName, nextLoc) {
-      this.delegate = {
-        iterator: values(iterable),
-        resultName: resultName,
-        nextLoc: nextLoc
-      };
-
-      if (this.method === "next") {
-        // Deliberately forget the last sent value so that we don't
-        // accidentally pass it on to the delegate.
-        this.arg = undefined;
-      }
-
-      return ContinueSentinel;
-    }
-  };
-
-  // Regardless of whether this script is executing as a CommonJS module
-  // or not, return the runtime object so that we can declare the variable
-  // regeneratorRuntime in the outer scope, which allows this module to be
-  // injected easily by `bin/regenerator --include-runtime script.js`.
-  return exports;
-
-}({}));
-/* eslint-enable */

src/routes/_utils/asyncPolyfills.js

@@ -1,31 +1,8 @@
-export const importIntersectionObserver = () => import(
-  /* webpackChunkName: '$polyfill$-intersection-observer' */ 'intersection-observer'
-)
 
 export const importRequestIdleCallback = () => import(
   /* webpackChunkName: '$polyfill$-requestidlecallback' */ 'requestidlecallback'
 )
 
-export const importIndexedDBGetAllShim = () => import(
-  /* webpackChunkName: '$polyfill$-indexeddb-getall-shim' */ 'indexeddb-getall-shim'
-)
-
-export const importCustomElementsPolyfill = () => import(
-  /* webpackChunkName: '$polyfill$-@webcomponents/custom-elements' */ '@webcomponents/custom-elements'
-)
-
-export const importIntl = () => import(
-  /* webpackChunkName: '$polyfill$-intl' */ 'intl'
-)
-
 export const importFocusVisible = () => import(
   /* webpackChunkName: '$polyfill$-focus-visible' */ 'focus-visible'
 )
-
-export const importShadowDomPolyfill = () => import(
-  /* webpackChunkName: '$polyfill$-shadydom' */ '@webcomponents/shadydom'
-)
-
-export const importArrayFlat = () => import(
-  /* webpackChunkName: '$polyfill$-array-flat' */ 'array-flat-polyfill'
-)

src/routes/_utils/loadPolyfills.js

@@ -1,22 +1,9 @@
 import {
-  importArrayFlat,
+  importRequestIdleCallback
-  importCustomElementsPolyfill,
-  importIndexedDBGetAllShim,
-  importIntersectionObserver,
-  importIntl,
-  importRequestIdleCallback,
-  importShadowDomPolyfill
 } from './asyncPolyfills'
 
 export function loadPolyfills () {
   return Promise.all([
-    typeof requestIdleCallback === 'undefined' && importRequestIdleCallback(),
+    typeof requestIdleCallback === 'undefined' && importRequestIdleCallback()
-    // these legacy polyfills should be kept in sync with webpack/shared.config.js
-    process.env.LEGACY && !Array.prototype.flat && importArrayFlat(),
-    process.env.LEGACY && !IDBObjectStore.prototype.getAll && importIndexedDBGetAllShim(),
-    process.env.LEGACY && typeof IntersectionObserver === 'undefined' && importIntersectionObserver(),
-    process.env.LEGACY && typeof Intl === 'undefined' && importIntl(),
-    process.env.LEGACY && typeof customElements === 'undefined' && importCustomElementsPolyfill(),
-    process.env.LEGACY && !HTMLElement.prototype.attachShadow && importShadowDomPolyfill()
   ])
 }

src/routes/_workers/blurhash.js

@@ -1,4 +1,3 @@
-import '../_thirdparty/regenerator-runtime/runtime.js'
 import { decode as decodeBlurHash } from 'blurhash'
 import registerPromiseWorker from 'promise-worker/register'
 import { BLURHASH_RESOLUTION as RESOLUTION } from '../_static/blurhash'

src/service-worker.js

@@ -1,4 +1,3 @@
-import './routes/_thirdparty/regenerator-runtime/runtime.js'
 import {
   assets as __assets__,
   shell as __shell__,

webpack/client.config.js

@@ -4,7 +4,6 @@ const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPl
 const LodashModuleReplacementPlugin = require('lodash-webpack-plugin')
 const terser = require('./terser.config')
 const CircularDependencyPlugin = require('circular-dependency-plugin')
-const legacyBabel = require('./legacyBabel.config')
 const { mode, dev, resolve, inlineSvgs, allSvgs } = require('./shared.config')
 
 const urlRegex = require('../src/routes/_utils/urlRegexSource.js')()
@@ -47,7 +46,6 @@ module.exports = {
           }
         }
       },
-      process.env.LEGACY && legacyBabel(),
       {
         test: /\.html$/,
         use: {
@@ -87,8 +85,7 @@ module.exports = {
       'process.env.NODE_ENV': JSON.stringify(mode),
       'process.env.INLINE_SVGS': JSON.stringify(inlineSvgs),
       'process.env.ALL_SVGS': JSON.stringify(allSvgs),
-      'process.env.URL_REGEX': urlRegex.toString(),
+      'process.env.URL_REGEX': urlRegex.toString()
-      'process.env.LEGACY': !!process.env.LEGACY
     }),
     new webpack.NormalModuleReplacementPlugin(
       /\/_database\/database\.js$/, // this version plays nicer with IDEs

webpack/legacyBabel.config.js

@@ -1,42 +0,0 @@
-module.exports = () => ({
-  test: /\.(m?js|html)$/,
-  exclude: path => {
-    if (!path.includes('node_modules')) {
-      return false // don't exclude our own modules
-    }
-    const toSkip = [
-      'tesseract.js',
-      'realistic-structured-clone',
-      '@babel/runtime',
-      'page-lifecycle',
-      'localstorage-memory',
-      'promise-worker',
-      'webpack'
-    ]
-    for (const module of toSkip) {
-      if (path.includes(`node_modules/${module}`)) {
-        return true // exclude certain packages that don't transpile well
-      }
-    }
-    return false
-  },
-  use: {
-    loader: 'babel-loader',
-    options: {
-      presets: [
-        '@babel/preset-env'
-      ],
-      plugins: [
-        [
-          '@babel/plugin-transform-runtime',
-          {
-            // This started failing with commit 2a248cb for some mysterious reason, causing an error:
-            // TypeError: Cannot set property 'wrap' of undefined
-            // I could not for the life of me figure out how to fix it, so I just manually import regenerator.
-            regenerator: false
-          }
-        ]
-      ]
-    }
-  }
-})

webpack/server.config.js

@@ -15,6 +15,7 @@ const NOOP_MODULES = [
 ]
 
 const serverResolve = JSON.parse(JSON.stringify(resolve))
+serverResolve.alias = serverResolve.alias || {}
 NOOP_MODULES.forEach(mod => {
   serverResolve.alias[mod] = 'lodash-es/noop'
 })
@@ -52,8 +53,7 @@ module.exports = {
   plugins: [
     new webpack.DefinePlugin({
       'process.env.INLINE_SVGS': JSON.stringify(inlineSvgs),
-      'process.env.ALL_SVGS': JSON.stringify(allSvgs),
+      'process.env.ALL_SVGS': JSON.stringify(allSvgs)
-      'process.env.LEGACY': !!process.env.LEGACY
     })
   ]
 }

webpack/service-worker.config.js

@@ -2,7 +2,6 @@ const config = require('sapper/config/webpack.js')
 const terser = require('./terser.config')
 const webpack = require('webpack')
 const { mode, dev, resolve } = require('./shared.config')
-const legacyBabel = require('./legacyBabel.config')
 
 module.exports = {
   entry: config.serviceworker.entry(),
@@ -10,11 +9,6 @@ module.exports = {
   resolve,
   mode,
   devtool: dev ? 'inline-source-map' : 'source-map',
-  module: {
-    rules: [
-      process.env.LEGACY && legacyBabel()
-    ].filter(Boolean)
-  },
   optimization: dev ? {} : {
     minimize: !process.env.DEBUG,
     minimizer: [
@@ -25,7 +19,6 @@ module.exports = {
     new webpack.DefinePlugin({
       'process.browser': true,
       'process.env.NODE_ENV': JSON.stringify(mode),
-      'process.env.LEGACY': !!process.env.LEGACY,
       'process.env.SAPPER_TIMESTAMP': process.env.SAPPER_TIMESTAMP || Date.now()
     })
   ].filter(Boolean)

webpack/shared.config.js

@@ -21,32 +21,7 @@ const dev = mode === 'development'
 
 const resolve = {
   extensions: ['.js', '.json', '.html'],
-  mainFields: ['svelte', 'module', 'browser', 'main'],
+  mainFields: ['svelte', 'module', 'browser', 'main']
-  alias: {
-    react: 'preact/compat/dist/compat.module.js',
-    'react-dom': 'preact/compat/dist/compat.module.js',
-    ...(process.env.LEGACY ? {
-      '../_utils/tesseractWorker.js': 'lodash/noop',
-      'emoji-mart/dist-modern/components/picker/nimble-picker': 'emoji-mart/dist-es/components/picker/nimble-picker',
-      'emoji-regex/es2015/text': 'emoji-regex/text',
-      'page-lifecycle/dist/lifecycle.mjs': 'page-lifecycle/dist/lifecycle.es5.js',
-      './SvgIcon.html': './SvgIconLegacy.html',
-      '../SvgIcon.html': '../SvgIconLegacy.html',
-      '../../SvgIcon.html': '../../SvgIconLegacy.html',
-      '../../_components/SvgIcon.html': '../../_components/SvgIconLegacy.html',
-      '../../../_components/SvgIcon.html': '../../../_components/SvgIconLegacy.html'
-    } : {
-      // these polyfills are only needed in legacy mode
-      'array-flat-polyfill': 'lodash/noop',
-      'indexeddb-getall-shim': 'lodash/noop',
-      intl: 'lodash/noop',
-      'intersection-observer': 'lodash/noop',
-      '@webcomponents/custom-elements': 'lodash/noop',
-      '@webcomponents/shadydom': 'lodash/noop',
-      './routes/_thirdparty/regenerator-runtime/runtime.js': 'lodash/noop',
-      '../_thirdparty/regenerator-runtime/runtime.js': 'lodash/noop'
-    })
-  }
 }
 
 module.exports = {