Time slots app prototype
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// shim for using process in browser
// based off https://github.com/defunctzombie/node-process/blob/master/browser.js
function defaultSetTimout() {
throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
throw new Error('clearTimeout has not been defined');
}
var cachedSetTimeout = defaultSetTimout;
var cachedClearTimeout = defaultClearTimeout;
if (typeof globalThis.setTimeout === 'function') {
cachedSetTimeout = setTimeout;
}
if (typeof globalThis.clearTimeout === 'function') {
cachedClearTimeout = clearTimeout;
}
function runTimeout(fun) {
if (cachedSetTimeout === setTimeout) {
//normal enviroments in sane situations
return setTimeout(fun, 0);
}
// if setTimeout wasn't available but was latter defined
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
cachedSetTimeout = setTimeout;
return setTimeout(fun, 0);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedSetTimeout(fun, 0);
} catch(e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedSetTimeout.call(null, fun, 0);
} catch(e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
return cachedSetTimeout.call(this, fun, 0);
}
}
}
function runClearTimeout(marker) {
if (cachedClearTimeout === clearTimeout) {
//normal enviroments in sane situations
return clearTimeout(marker);
}
// if clearTimeout wasn't available but was latter defined
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
cachedClearTimeout = clearTimeout;
return clearTimeout(marker);
}
try {
// when when somebody has screwed with setTimeout but no I.E. maddness
return cachedClearTimeout(marker);
} catch (e){
try {
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
return cachedClearTimeout.call(null, marker);
} catch (e){
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
return cachedClearTimeout.call(this, marker);
}
}
}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
if (!draining || !currentQueue) {
return;
}
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = runTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
runClearTimeout(timeout);
}
function nextTick(fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
runTimeout(drainQueue);
}
}
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
var title = 'browser';
var platform = 'browser';
var browser = true;
var env = {};
var argv = [];
var version = ''; // empty string to avoid regexp issues
var versions = {};
var release = {};
var config = {};
function noop() {}
var on = noop;
var addListener = noop;
var once = noop;
var off = noop;
var removeListener = noop;
var removeAllListeners = noop;
var emit = noop;
function binding(name) {
throw new Error('process.binding is not supported');
}
function cwd () { return '/' }
function chdir (dir) {
throw new Error('process.chdir is not supported');
}function umask() { return 0; }
// from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js
var performance = globalThis.performance || {};
var performanceNow =
performance.now ||
performance.mozNow ||
performance.msNow ||
performance.oNow ||
performance.webkitNow ||
function(){ return (new Date()).getTime() };
// generate timestamp or delta
// see http://nodejs.org/api/process.html#process_process_hrtime
function hrtime(previousTimestamp){
var clocktime = performanceNow.call(performance)*1e-3;
var seconds = Math.floor(clocktime);
var nanoseconds = Math.floor((clocktime%1)*1e9);
if (previousTimestamp) {
seconds = seconds - previousTimestamp[0];
nanoseconds = nanoseconds - previousTimestamp[1];
if (nanoseconds<0) {
seconds--;
nanoseconds += 1e9;
}
}
return [seconds,nanoseconds]
}
var startTime = new Date();
function uptime() {
var currentTime = new Date();
var dif = currentTime - startTime;
return dif / 1000;
}
var browser$1 = {
nextTick,
title,
browser,
env,
argv,
version,
versions,
on,
addListener,
once,
off,
removeListener,
removeAllListeners,
emit,
binding,
cwd,
chdir,
umask,
hrtime,
platform,
release,
config,
uptime
};
export default browser$1;
export { addListener, argv, binding, browser, chdir, config, cwd, emit, env, hrtime, nextTick, off, on, once, platform, release, removeAllListeners, removeListener, title, umask, uptime, version, versions };