remove throttle and use depence
This commit is contained in:
梁灏
parent
d04fb45a0e
commit
ed14d577c0
2 changed files with 1 additions and 440 deletions
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@ -14,7 +14,7 @@
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</div>
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</template>
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<script>
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import throttle from '../../utils/throttle';
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import throttle from 'lodash.throttle';
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export default {
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name: 'Saturation',
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@ -1,439 +0,0 @@
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/**
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* lodash (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright jQuery Foundation and other contributors <https://jquery.org/>
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* Released under MIT license <https://lodash.com/license>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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*/
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/** Used as the `TypeError` message for "Functions" methods. */
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var FUNC_ERROR_TEXT = 'Expected a function';
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/** Used as references for various `Number` constants. */
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var NAN = 0 / 0;
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/** `Object#toString` result references. */
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var symbolTag = '[object Symbol]';
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/** Used to match leading and trailing whitespace. */
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var reTrim = /^\s+|\s+$/g;
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/** Used to detect bad signed hexadecimal string values. */
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var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
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/** Used to detect binary string values. */
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var reIsBinary = /^0b[01]+$/i;
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/** Used to detect octal string values. */
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var reIsOctal = /^0o[0-7]+$/i;
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/** Built-in method references without a dependency on `root`. */
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var freeParseInt = parseInt;
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/** Detect free variable `global` from Node.js. */
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var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
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/** Detect free variable `self`. */
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var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
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/** Used as a reference to the global object. */
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var root = freeGlobal || freeSelf || Function('return this')();
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/** Used for built-in method references. */
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var objectProto = Object.prototype;
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/**
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* Used to resolve the
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* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
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* of values.
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*/
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var objectToString = objectProto.toString;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeMax = Math.max,
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nativeMin = Math.min;
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/**
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* Gets the timestamp of the number of milliseconds that have elapsed since
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* the Unix epoch (1 January 1970 00:00:00 UTC).
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*
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* @static
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* @memberOf _
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* @since 2.4.0
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* @category Date
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* @returns {number} Returns the timestamp.
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* @example
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*
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* _.defer(function(stamp) {
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* console.log(_.now() - stamp);
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* }, _.now());
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* // => Logs the number of milliseconds it took for the deferred invocation.
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*/
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var now = function() {
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return root.Date.now();
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};
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/**
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* Creates a debounced function that delays invoking `func` until after `wait`
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* milliseconds have elapsed since the last time the debounced function was
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* invoked. The debounced function comes with a `cancel` method to cancel
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* delayed `func` invocations and a `flush` method to immediately invoke them.
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* Provide `options` to indicate whether `func` should be invoked on the
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* leading and/or trailing edge of the `wait` timeout. The `func` is invoked
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* with the last arguments provided to the debounced function. Subsequent
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* calls to the debounced function return the result of the last `func`
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* invocation.
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*
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* **Note:** If `leading` and `trailing` options are `true`, `func` is
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* invoked on the trailing edge of the timeout only if the debounced function
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* is invoked more than once during the `wait` timeout.
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*
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* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
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* until to the next tick, similar to `setTimeout` with a timeout of `0`.
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*
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* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
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* for details over the differences between `_.debounce` and `_.throttle`.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Function
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* @param {Function} func The function to debounce.
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* @param {number} [wait=0] The number of milliseconds to delay.
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* @param {Object} [options={}] The options object.
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* @param {boolean} [options.leading=false]
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* Specify invoking on the leading edge of the timeout.
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* @param {number} [options.maxWait]
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* The maximum time `func` is allowed to be delayed before it's invoked.
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* @param {boolean} [options.trailing=true]
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* Specify invoking on the trailing edge of the timeout.
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* @returns {Function} Returns the new debounced function.
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* @example
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*
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* // Avoid costly calculations while the window size is in flux.
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* jQuery(window).on('resize', _.debounce(calculateLayout, 150));
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*
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* // Invoke `sendMail` when clicked, debouncing subsequent calls.
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* jQuery(element).on('click', _.debounce(sendMail, 300, {
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* 'leading': true,
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* 'trailing': false
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* }));
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*
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* // Ensure `batchLog` is invoked once after 1 second of debounced calls.
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* var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
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* var source = new EventSource('/stream');
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* jQuery(source).on('message', debounced);
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*
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* // Cancel the trailing debounced invocation.
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* jQuery(window).on('popstate', debounced.cancel);
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*/
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function debounce(func, wait, options) {
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var lastArgs,
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lastThis,
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maxWait,
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result,
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timerId,
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lastCallTime,
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lastInvokeTime = 0,
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leading = false,
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maxing = false,
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trailing = true;
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if (typeof func != 'function') {
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throw new TypeError(FUNC_ERROR_TEXT);
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}
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wait = toNumber(wait) || 0;
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if (isObject(options)) {
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leading = !!options.leading;
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maxing = 'maxWait' in options;
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maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
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trailing = 'trailing' in options ? !!options.trailing : trailing;
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}
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function invokeFunc(time) {
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var args = lastArgs,
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thisArg = lastThis;
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lastArgs = lastThis = undefined;
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lastInvokeTime = time;
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result = func.apply(thisArg, args);
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return result;
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}
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function leadingEdge(time) {
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// Reset any `maxWait` timer.
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lastInvokeTime = time;
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// Start the timer for the trailing edge.
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timerId = setTimeout(timerExpired, wait);
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// Invoke the leading edge.
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return leading ? invokeFunc(time) : result;
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}
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function remainingWait(time) {
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var timeSinceLastCall = time - lastCallTime,
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timeSinceLastInvoke = time - lastInvokeTime,
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result = wait - timeSinceLastCall;
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return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
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}
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function shouldInvoke(time) {
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var timeSinceLastCall = time - lastCallTime,
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timeSinceLastInvoke = time - lastInvokeTime;
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// Either this is the first call, activity has stopped and we're at the
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// trailing edge, the system time has gone backwards and we're treating
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// it as the trailing edge, or we've hit the `maxWait` limit.
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return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
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(timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
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}
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function timerExpired() {
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var time = now();
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if (shouldInvoke(time)) {
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return trailingEdge(time);
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}
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// Restart the timer.
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timerId = setTimeout(timerExpired, remainingWait(time));
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}
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function trailingEdge(time) {
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timerId = undefined;
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// Only invoke if we have `lastArgs` which means `func` has been
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// debounced at least once.
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if (trailing && lastArgs) {
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return invokeFunc(time);
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}
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lastArgs = lastThis = undefined;
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return result;
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}
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function cancel() {
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if (timerId !== undefined) {
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clearTimeout(timerId);
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}
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lastInvokeTime = 0;
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lastArgs = lastCallTime = lastThis = timerId = undefined;
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}
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function flush() {
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return timerId === undefined ? result : trailingEdge(now());
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}
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function debounced() {
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var time = now(),
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isInvoking = shouldInvoke(time);
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lastArgs = arguments;
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lastThis = this;
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lastCallTime = time;
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if (isInvoking) {
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if (timerId === undefined) {
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return leadingEdge(lastCallTime);
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}
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if (maxing) {
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// Handle invocations in a tight loop.
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timerId = setTimeout(timerExpired, wait);
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return invokeFunc(lastCallTime);
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}
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}
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if (timerId === undefined) {
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timerId = setTimeout(timerExpired, wait);
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}
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return result;
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}
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debounced.cancel = cancel;
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debounced.flush = flush;
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return debounced;
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}
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/**
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* Creates a throttled function that only invokes `func` at most once per
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* every `wait` milliseconds. The throttled function comes with a `cancel`
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* method to cancel delayed `func` invocations and a `flush` method to
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* immediately invoke them. Provide `options` to indicate whether `func`
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* should be invoked on the leading and/or trailing edge of the `wait`
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* timeout. The `func` is invoked with the last arguments provided to the
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* throttled function. Subsequent calls to the throttled function return the
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* result of the last `func` invocation.
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*
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* **Note:** If `leading` and `trailing` options are `true`, `func` is
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* invoked on the trailing edge of the timeout only if the throttled function
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* is invoked more than once during the `wait` timeout.
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*
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* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
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* until to the next tick, similar to `setTimeout` with a timeout of `0`.
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*
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* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
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* for details over the differences between `_.throttle` and `_.debounce`.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Function
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* @param {Function} func The function to throttle.
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* @param {number} [wait=0] The number of milliseconds to throttle invocations to.
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* @param {Object} [options={}] The options object.
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* @param {boolean} [options.leading=true]
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* Specify invoking on the leading edge of the timeout.
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* @param {boolean} [options.trailing=true]
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* Specify invoking on the trailing edge of the timeout.
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* @returns {Function} Returns the new throttled function.
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* @example
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*
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* // Avoid excessively updating the position while scrolling.
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* jQuery(window).on('scroll', _.throttle(updatePosition, 100));
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*
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* // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
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* var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
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* jQuery(element).on('click', throttled);
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*
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* // Cancel the trailing throttled invocation.
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* jQuery(window).on('popstate', throttled.cancel);
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*/
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function throttle(func, wait, options) {
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var leading = true,
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trailing = true;
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if (typeof func != 'function') {
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throw new TypeError(FUNC_ERROR_TEXT);
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}
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if (isObject(options)) {
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leading = 'leading' in options ? !!options.leading : leading;
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trailing = 'trailing' in options ? !!options.trailing : trailing;
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}
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return debounce(func, wait, {
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'leading': leading,
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'maxWait': wait,
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'trailing': trailing
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});
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}
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/**
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* Checks if `value` is the
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* [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
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* of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is an object, else `false`.
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* @example
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*
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* _.isObject({});
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* // => true
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*
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* _.isObject([1, 2, 3]);
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* // => true
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*
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* _.isObject(_.noop);
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* // => true
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*
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* _.isObject(null);
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* // => false
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*/
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function isObject(value) {
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var type = typeof value;
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return !!value && (type == 'object' || type == 'function');
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}
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/**
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* Checks if `value` is object-like. A value is object-like if it's not `null`
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* and has a `typeof` result of "object".
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
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* @example
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*
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* _.isObjectLike({});
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* // => true
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*
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* _.isObjectLike([1, 2, 3]);
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* // => true
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*
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* _.isObjectLike(_.noop);
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* // => false
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*
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* _.isObjectLike(null);
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* // => false
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*/
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function isObjectLike(value) {
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return !!value && typeof value == 'object';
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}
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/**
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* Checks if `value` is classified as a `Symbol` primitive or object.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to check.
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* @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
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* @example
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*
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* _.isSymbol(Symbol.iterator);
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* // => true
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*
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* _.isSymbol('abc');
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* // => false
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*/
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function isSymbol(value) {
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return typeof value == 'symbol' ||
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(isObjectLike(value) && objectToString.call(value) == symbolTag);
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}
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/**
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* Converts `value` to a number.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to process.
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* @returns {number} Returns the number.
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* @example
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*
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* _.toNumber(3.2);
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* // => 3.2
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*
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* _.toNumber(Number.MIN_VALUE);
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* // => 5e-324
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*
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* _.toNumber(Infinity);
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* // => Infinity
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*
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* _.toNumber('3.2');
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* // => 3.2
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*/
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function toNumber(value) {
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if (typeof value == 'number') {
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return value;
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}
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if (isSymbol(value)) {
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return NAN;
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}
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if (isObject(value)) {
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var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
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value = isObject(other) ? (other + '') : other;
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}
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if (typeof value != 'string') {
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return value === 0 ? value : +value;
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}
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value = value.replace(reTrim, '');
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var isBinary = reIsBinary.test(value);
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return (isBinary || reIsOctal.test(value))
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? freeParseInt(value.slice(2), isBinary ? 2 : 8)
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: (reIsBadHex.test(value) ? NAN : +value);
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}
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module.exports = throttle;
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