larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/abortcontroller-polyfill/src/abortableFetch.js

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+import { polyfillNeeded } from './utils.js';
+/**
+ * Note: the "fetch.Request" default value is available for fetch imported from
+ * the "node-fetch" package and not in browsers. This is OK since browsers
+ * will be importing umd-polyfill.js from that path "self" is passed the
+ * decorator so the default value will not be used (because browsers that define
+ * fetch also has Request). One quirky setup where self.fetch exists but
+ * self.Request does not is when the "unfetch" minimal fetch polyfill is used
+ * on top of IE11; for this case the browser will try to use the fetch.Request
+ * default value which in turn will be undefined but then then "if (Request)"
+ * will ensure that you get a patched fetch but still no Request (as expected).
+ * @param {fetch, Request = fetch.Request}
+ * @returns {fetch: abortableFetch, Request: AbortableRequest}
+ */
+export default function abortableFetchDecorator(patchTargets) {
+  if ('function' === typeof patchTargets) {
+    patchTargets = { fetch: patchTargets };
+  }
+  const {
+    fetch,
+    Request: NativeRequest = fetch.Request,
+    AbortController: NativeAbortController,
+    __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL = false,
+  } = patchTargets;
+
+  if (
+    !polyfillNeeded({
+      fetch,
+      Request: NativeRequest,
+      AbortController: NativeAbortController,
+      __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL,
+    })
+  ) {
+    return { fetch, Request };
+  }
+
+  let Request = NativeRequest;
+  // Note that the "unfetch" minimal fetch polyfill defines fetch() without
+  // defining window.Request, and this polyfill need to work on top of unfetch
+  // hence we only patch it if it's available. Also we don't patch it if signal
+  // is already available on the Request prototype because in this case support
+  // is present and the patching below can cause a crash since it assigns to
+  // request.signal which is technically a read-only property. This latter error
+  // happens when you run the main5.js node-fetch example in the repo
+  // "abortcontroller-polyfill-examples". The exact error is:
+  //   request.signal = init.signal;
+  //   ^
+  // TypeError: Cannot set property signal of #<Request> which has only a getter
+  if ((Request && !Request.prototype.hasOwnProperty('signal')) || __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
+    Request = function Request(input, init) {
+      let signal;
+      if (init && init.signal) {
+        signal = init.signal;
+        // Never pass init.signal to the native Request implementation when the polyfill has
+        // been installed because if we're running on top of a browser with a
+        // working native AbortController (i.e. the polyfill was installed due to
+        // __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL being set), then passing our
+        // fake AbortSignal to the native fetch will trigger:
+        // TypeError: Failed to construct 'Request': member signal is not of type AbortSignal.
+        delete init.signal;
+      }
+      const request = new NativeRequest(input, init);
+      if (signal) {
+        Object.defineProperty(request, 'signal', {
+          writable: false,
+          enumerable: false,
+          configurable: true,
+          value: signal,
+        });
+      }
+      return request;
+    };
+    Request.prototype = NativeRequest.prototype;
+  }
+
+  const realFetch = fetch;
+  const abortableFetch = (input, init) => {
+    const signal = Request && Request.prototype.isPrototypeOf(input) ? input.signal : init ? init.signal : undefined;
+
+    if (signal) {
+      let abortError;
+      try {
+        abortError = new DOMException('Aborted', 'AbortError');
+      } catch (err) {
+        // IE 11 does not support calling the DOMException constructor, use a
+        // regular error object on it instead.
+        abortError = new Error('Aborted');
+        abortError.name = 'AbortError';
+      }
+
+      // Return early if already aborted, thus avoiding making an HTTP request
+      if (signal.aborted) {
+        return Promise.reject(abortError);
+      }
+
+      // Turn an event into a promise, reject it once `abort` is dispatched
+      const cancellation = new Promise((_, reject) => {
+        signal.addEventListener('abort', () => reject(abortError), { once: true });
+      });
+
+      if (init && init.signal) {
+        // Never pass .signal to the native implementation when the polyfill has
+        // been installed because if we're running on top of a browser with a
+        // working native AbortController (i.e. the polyfill was installed due to
+        // __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL being set), then passing our
+        // fake AbortSignal to the native fetch will trigger:
+        // TypeError: Failed to execute 'fetch' on 'Window': member signal is not of type AbortSignal.
+        delete init.signal;
+      }
+      // Return the fastest promise (don't need to wait for request to finish)
+      return Promise.race([cancellation, realFetch(input, init)]);
+    }
+
+    return realFetch(input, init);
+  };
+
+  return { fetch: abortableFetch, Request };
+}

webGl/my-threejs-test/node_modules/abortcontroller-polyfill/src/abortcontroller-polyfill.js

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+import AbortController, { AbortSignal } from './abortcontroller';
+import { polyfillNeeded } from './utils';
+
+(function (self) {
+  'use strict';
+
+  if (!polyfillNeeded(self)) {
+    return;
+  }
+
+  self.AbortController = AbortController;
+  self.AbortSignal = AbortSignal;
+})(typeof self !== 'undefined' ? self : global);

webGl/my-threejs-test/node_modules/abortcontroller-polyfill/src/abortcontroller.js

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+class Emitter {
+  constructor() {
+    Object.defineProperty(this, 'listeners', { value: {}, writable: true, configurable: true });
+  }
+  addEventListener(type, callback, options) {
+    if (!(type in this.listeners)) {
+      this.listeners[type] = [];
+    }
+    this.listeners[type].push({ callback, options });
+  }
+  removeEventListener(type, callback) {
+    if (!(type in this.listeners)) {
+      return;
+    }
+    const stack = this.listeners[type];
+    for (let i = 0, l = stack.length; i < l; i++) {
+      if (stack[i].callback === callback) {
+        stack.splice(i, 1);
+        return;
+      }
+    }
+  }
+  dispatchEvent(event) {
+    if (!(event.type in this.listeners)) {
+      return;
+    }
+    const stack = this.listeners[event.type];
+    const stackToCall = stack.slice();
+    for (let i = 0, l = stackToCall.length; i < l; i++) {
+      const listener = stackToCall[i];
+      try {
+        listener.callback.call(this, event);
+      } catch (e) {
+        Promise.resolve().then(() => {
+          throw e;
+        });
+      }
+      if (listener.options && listener.options.once) {
+        this.removeEventListener(event.type, listener.callback);
+      }
+    }
+    return !event.defaultPrevented;
+  }
+}
+
+export class AbortSignal extends Emitter {
+  constructor() {
+    super();
+    // Some versions of babel does not transpile super() correctly for IE <= 10, if the parent
+    // constructor has failed to run, then "this.listeners" will still be undefined and then we call
+    // the parent constructor directly instead as a workaround. For general details, see babel bug:
+    // https://github.com/babel/babel/issues/3041
+    // This hack was added as a fix for the issue described here:
+    // https://github.com/Financial-Times/polyfill-library/pull/59#issuecomment-477558042
+    if (!this.listeners) {
+      Emitter.call(this);
+    }
+
+    // Compared to assignment, Object.defineProperty makes properties non-enumerable by default and
+    // we want Object.keys(new AbortController().signal) to be [] for compat with the native impl
+    Object.defineProperty(this, 'aborted', { value: false, writable: true, configurable: true });
+    Object.defineProperty(this, 'onabort', { value: null, writable: true, configurable: true });
+    Object.defineProperty(this, 'reason', { value: undefined, writable: true, configurable: true });
+  }
+  toString() {
+    return '[object AbortSignal]';
+  }
+  dispatchEvent(event) {
+    if (event.type === 'abort') {
+      this.aborted = true;
+      if (typeof this.onabort === 'function') {
+        this.onabort.call(this, event);
+      }
+    }
+
+    super.dispatchEvent(event);
+  }
+}
+
+export class AbortController {
+  constructor() {
+    // Compared to assignment, Object.defineProperty makes properties non-enumerable by default and
+    // we want Object.keys(new AbortController()) to be [] for compat with the native impl
+    Object.defineProperty(this, 'signal', { value: new AbortSignal(), writable: true, configurable: true });
+  }
+  abort(reason) {
+    let event;
+    try {
+      event = new Event('abort');
+    } catch (e) {
+      if (typeof document !== 'undefined') {
+        if (!document.createEvent) {
+          // For Internet Explorer 8:
+          event = document.createEventObject();
+          event.type = 'abort';
+        } else {
+          // For Internet Explorer 11:
+          event = document.createEvent('Event');
+          event.initEvent('abort', false, false);
+        }
+      } else {
+        // Fallback where document isn't available:
+        event = {
+          type: 'abort',
+          bubbles: false,
+          cancelable: false,
+        };
+      }
+    }
+
+    let signalReason = reason;
+    if (signalReason === undefined) {
+      if (typeof document === 'undefined') {
+        signalReason = new Error('This operation was aborted');
+        signalReason.name = 'AbortError';
+      } else {
+        try {
+          signalReason = new DOMException('signal is aborted without reason');
+        } catch (err) {
+          // IE 11 does not support calling the DOMException constructor, use a
+          // regular error object on it instead.
+          signalReason = new Error('This operation was aborted');
+          signalReason.name = 'AbortError';
+        }
+      }
+    }
+    this.signal.reason = signalReason;
+
+    this.signal.dispatchEvent(event);
+  }
+  toString() {
+    return '[object AbortController]';
+  }
+}
+
+export default AbortController;
+
+if (typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+  // These are necessary to make sure that we get correct output for:
+  // Object.prototype.toString.call(new AbortController())
+  AbortController.prototype[Symbol.toStringTag] = 'AbortController';
+  AbortSignal.prototype[Symbol.toStringTag] = 'AbortSignal';
+}

webGl/my-threejs-test/node_modules/abortcontroller-polyfill/src/polyfill.js

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+import AbortController, { AbortSignal } from './abortcontroller';
+import abortableFetch from './abortableFetch';
+import { polyfillNeeded } from './utils';
+
+(function (self) {
+  'use strict';
+
+  if (!polyfillNeeded(self)) {
+    return;
+  }
+
+  if (!self.fetch) {
+    console.warn('fetch() is not available, cannot install abortcontroller-polyfill');
+    return;
+  }
+
+  const { fetch, Request } = abortableFetch(self);
+  self.fetch = fetch;
+  self.Request = Request;
+
+  Object.defineProperty(self, 'AbortController', {
+    writable: true,
+    enumerable: false,
+    configurable: true,
+    value: AbortController,
+  });
+
+  Object.defineProperty(self, 'AbortSignal', {
+    writable: true,
+    enumerable: false,
+    configurable: true,
+    value: AbortSignal,
+  });
+})(typeof self !== 'undefined' ? self : global);

webGl/my-threejs-test/node_modules/abortcontroller-polyfill/src/ponyfill.js

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+export { default as AbortController, AbortSignal } from './abortcontroller';
+export { default as abortableFetch } from './abortableFetch';

webGl/my-threejs-test/node_modules/abortcontroller-polyfill/src/utils.js

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+export function polyfillNeeded(self) {
+  if (self.__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
+    console.log('__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL=true is set, will force install polyfill');
+    return true;
+  }
+
+  // Note that the "unfetch" minimal fetch polyfill defines fetch() without
+  // defining window.Request, and this polyfill need to work on top of unfetch
+  // so the below feature detection needs the !self.AbortController part.
+  // The Request.prototype check is also needed because Safari versions 11.1.2
+  // up to and including 12.1.x has a window.AbortController present but still
+  // does NOT correctly implement abortable fetch:
+  // https://bugs.webkit.org/show_bug.cgi?id=174980#c2
+  return (
+    (typeof self.Request === 'function' && !self.Request.prototype.hasOwnProperty('signal')) || !self.AbortController
+  );
+}