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authorBrian Picciano <mediocregopher@gmail.com>2021-01-21 17:22:53 -0700
committerBrian Picciano <mediocregopher@gmail.com>2021-01-21 17:22:53 -0700
commitbcf9b230be6d74c71567fd0771b31d47d8dd39c7 (patch)
tree2d0fc16142d55bbd5876ac6b8174c2857883b40e /assets/viz/2/goog/functions
parentd57fd70640948cf20eeb41b56e8d4e23e616cec0 (diff)
build the blog with nix
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-rw-r--r--assets/viz/2/goog/functions/functions.js483
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diff --git a/assets/viz/2/goog/functions/functions.js b/assets/viz/2/goog/functions/functions.js
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-// Copyright 2008 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Utilities for creating functions. Loosely inspired by the
- * java classes: http://goo.gl/GM0Hmu and http://goo.gl/6k7nI8.
- *
- * @author nicksantos@google.com (Nick Santos)
- */
-
-
-goog.provide('goog.functions');
-
-
-/**
- * Creates a function that always returns the same value.
- * @param {T} retValue The value to return.
- * @return {function():T} The new function.
- * @template T
- */
-goog.functions.constant = function(retValue) {
- return function() { return retValue; };
-};
-
-
-/**
- * Always returns false.
- * @type {function(...): boolean}
- */
-goog.functions.FALSE = goog.functions.constant(false);
-
-
-/**
- * Always returns true.
- * @type {function(...): boolean}
- */
-goog.functions.TRUE = goog.functions.constant(true);
-
-
-/**
- * Always returns NULL.
- * @type {function(...): null}
- */
-goog.functions.NULL = goog.functions.constant(null);
-
-
-/**
- * A simple function that returns the first argument of whatever is passed
- * into it.
- * @param {T=} opt_returnValue The single value that will be returned.
- * @param {...*} var_args Optional trailing arguments. These are ignored.
- * @return {T} The first argument passed in, or undefined if nothing was passed.
- * @template T
- */
-goog.functions.identity = function(opt_returnValue, var_args) {
- return opt_returnValue;
-};
-
-
-/**
- * Creates a function that always throws an error with the given message.
- * @param {string} message The error message.
- * @return {!Function} The error-throwing function.
- */
-goog.functions.error = function(message) {
- return function() { throw Error(message); };
-};
-
-
-/**
- * Creates a function that throws the given object.
- * @param {*} err An object to be thrown.
- * @return {!Function} The error-throwing function.
- */
-goog.functions.fail = function(err) {
- return function() { throw err; };
-};
-
-
-/**
- * Given a function, create a function that keeps opt_numArgs arguments and
- * silently discards all additional arguments.
- * @param {Function} f The original function.
- * @param {number=} opt_numArgs The number of arguments to keep. Defaults to 0.
- * @return {!Function} A version of f that only keeps the first opt_numArgs
- * arguments.
- */
-goog.functions.lock = function(f, opt_numArgs) {
- opt_numArgs = opt_numArgs || 0;
- return function() {
- return f.apply(this, Array.prototype.slice.call(arguments, 0, opt_numArgs));
- };
-};
-
-
-/**
- * Creates a function that returns its nth argument.
- * @param {number} n The position of the return argument.
- * @return {!Function} A new function.
- */
-goog.functions.nth = function(n) {
- return function() { return arguments[n]; };
-};
-
-
-/**
- * Like goog.partial(), except that arguments are added after arguments to the
- * returned function.
- *
- * Usage:
- * function f(arg1, arg2, arg3, arg4) { ... }
- * var g = goog.functions.partialRight(f, arg3, arg4);
- * g(arg1, arg2);
- *
- * @param {!Function} fn A function to partially apply.
- * @param {...*} var_args Additional arguments that are partially applied to fn
- * at the end.
- * @return {!Function} A partially-applied form of the function goog.partial()
- * was invoked as a method of.
- */
-goog.functions.partialRight = function(fn, var_args) {
- var rightArgs = Array.prototype.slice.call(arguments, 1);
- return function() {
- var newArgs = Array.prototype.slice.call(arguments);
- newArgs.push.apply(newArgs, rightArgs);
- return fn.apply(this, newArgs);
- };
-};
-
-
-/**
- * Given a function, create a new function that swallows its return value
- * and replaces it with a new one.
- * @param {Function} f A function.
- * @param {T} retValue A new return value.
- * @return {function(...?):T} A new function.
- * @template T
- */
-goog.functions.withReturnValue = function(f, retValue) {
- return goog.functions.sequence(f, goog.functions.constant(retValue));
-};
-
-
-/**
- * Creates a function that returns whether its argument equals the given value.
- *
- * Example:
- * var key = goog.object.findKey(obj, goog.functions.equalTo('needle'));
- *
- * @param {*} value The value to compare to.
- * @param {boolean=} opt_useLooseComparison Whether to use a loose (==)
- * comparison rather than a strict (===) one. Defaults to false.
- * @return {function(*):boolean} The new function.
- */
-goog.functions.equalTo = function(value, opt_useLooseComparison) {
- return function(other) {
- return opt_useLooseComparison ? (value == other) : (value === other);
- };
-};
-
-
-/**
- * Creates the composition of the functions passed in.
- * For example, (goog.functions.compose(f, g))(a) is equivalent to f(g(a)).
- * @param {function(...?):T} fn The final function.
- * @param {...Function} var_args A list of functions.
- * @return {function(...?):T} The composition of all inputs.
- * @template T
- */
-goog.functions.compose = function(fn, var_args) {
- var functions = arguments;
- var length = functions.length;
- return function() {
- var result;
- if (length) {
- result = functions[length - 1].apply(this, arguments);
- }
-
- for (var i = length - 2; i >= 0; i--) {
- result = functions[i].call(this, result);
- }
- return result;
- };
-};
-
-
-/**
- * Creates a function that calls the functions passed in in sequence, and
- * returns the value of the last function. For example,
- * (goog.functions.sequence(f, g))(x) is equivalent to f(x),g(x).
- * @param {...Function} var_args A list of functions.
- * @return {!Function} A function that calls all inputs in sequence.
- */
-goog.functions.sequence = function(var_args) {
- var functions = arguments;
- var length = functions.length;
- return function() {
- var result;
- for (var i = 0; i < length; i++) {
- result = functions[i].apply(this, arguments);
- }
- return result;
- };
-};
-
-
-/**
- * Creates a function that returns true if each of its components evaluates
- * to true. The components are evaluated in order, and the evaluation will be
- * short-circuited as soon as a function returns false.
- * For example, (goog.functions.and(f, g))(x) is equivalent to f(x) && g(x).
- * @param {...Function} var_args A list of functions.
- * @return {function(...?):boolean} A function that ANDs its component
- * functions.
- */
-goog.functions.and = function(var_args) {
- var functions = arguments;
- var length = functions.length;
- return function() {
- for (var i = 0; i < length; i++) {
- if (!functions[i].apply(this, arguments)) {
- return false;
- }
- }
- return true;
- };
-};
-
-
-/**
- * Creates a function that returns true if any of its components evaluates
- * to true. The components are evaluated in order, and the evaluation will be
- * short-circuited as soon as a function returns true.
- * For example, (goog.functions.or(f, g))(x) is equivalent to f(x) || g(x).
- * @param {...Function} var_args A list of functions.
- * @return {function(...?):boolean} A function that ORs its component
- * functions.
- */
-goog.functions.or = function(var_args) {
- var functions = arguments;
- var length = functions.length;
- return function() {
- for (var i = 0; i < length; i++) {
- if (functions[i].apply(this, arguments)) {
- return true;
- }
- }
- return false;
- };
-};
-
-
-/**
- * Creates a function that returns the Boolean opposite of a provided function.
- * For example, (goog.functions.not(f))(x) is equivalent to !f(x).
- * @param {!Function} f The original function.
- * @return {function(...?):boolean} A function that delegates to f and returns
- * opposite.
- */
-goog.functions.not = function(f) {
- return function() { return !f.apply(this, arguments); };
-};
-
-
-/**
- * Generic factory function to construct an object given the constructor
- * and the arguments. Intended to be bound to create object factories.
- *
- * Example:
- *
- * var factory = goog.partial(goog.functions.create, Class);
- *
- * @param {function(new:T, ...)} constructor The constructor for the Object.
- * @param {...*} var_args The arguments to be passed to the constructor.
- * @return {T} A new instance of the class given in {@code constructor}.
- * @template T
- */
-goog.functions.create = function(constructor, var_args) {
- /**
- * @constructor
- * @final
- */
- var temp = function() {};
- temp.prototype = constructor.prototype;
-
- // obj will have constructor's prototype in its chain and
- // 'obj instanceof constructor' will be true.
- var obj = new temp();
-
- // obj is initialized by constructor.
- // arguments is only array-like so lacks shift(), but can be used with
- // the Array prototype function.
- constructor.apply(obj, Array.prototype.slice.call(arguments, 1));
- return obj;
-};
-
-
-/**
- * @define {boolean} Whether the return value cache should be used.
- * This should only be used to disable caches when testing.
- */
-goog.define('goog.functions.CACHE_RETURN_VALUE', true);
-
-
-/**
- * Gives a wrapper function that caches the return value of a parameterless
- * function when first called.
- *
- * When called for the first time, the given function is called and its
- * return value is cached (thus this is only appropriate for idempotent
- * functions). Subsequent calls will return the cached return value. This
- * allows the evaluation of expensive functions to be delayed until first used.
- *
- * To cache the return values of functions with parameters, see goog.memoize.
- *
- * @param {function():T} fn A function to lazily evaluate.
- * @return {function():T} A wrapped version the function.
- * @template T
- */
-goog.functions.cacheReturnValue = function(fn) {
- var called = false;
- var value;
-
- return function() {
- if (!goog.functions.CACHE_RETURN_VALUE) {
- return fn();
- }
-
- if (!called) {
- value = fn();
- called = true;
- }
-
- return value;
- };
-};
-
-
-/**
- * Wraps a function to allow it to be called, at most, once. All
- * additional calls are no-ops.
- *
- * This is particularly useful for initialization functions
- * that should be called, at most, once.
- *
- * @param {function():*} f Function to call.
- * @return {function():undefined} Wrapped function.
- */
-goog.functions.once = function(f) {
- // Keep a reference to the function that we null out when we're done with
- // it -- that way, the function can be GC'd when we're done with it.
- var inner = f;
- return function() {
- if (inner) {
- var tmp = inner;
- inner = null;
- tmp();
- }
- };
-};
-
-
-/**
- * Wraps a function to allow it to be called, at most, once per interval
- * (specified in milliseconds). If the wrapper function is called N times within
- * that interval, only the Nth call will go through.
- *
- * This is particularly useful for batching up repeated actions where the
- * last action should win. This can be used, for example, for refreshing an
- * autocomplete pop-up every so often rather than updating with every keystroke,
- * since the final text typed by the user is the one that should produce the
- * final autocomplete results. For more stateful debouncing with support for
- * pausing, resuming, and canceling debounced actions, use {@code
- * goog.async.Debouncer}.
- *
- * @param {function(this:SCOPE, ...?)} f Function to call.
- * @param {number} interval Interval over which to debounce. The function will
- * only be called after the full interval has elapsed since the last call.
- * @param {SCOPE=} opt_scope Object in whose scope to call the function.
- * @return {function(...?): undefined} Wrapped function.
- * @template SCOPE
- */
-goog.functions.debounce = function(f, interval, opt_scope) {
- var timeout = 0;
- return /** @type {function(...?)} */ (function(var_args) {
- goog.global.clearTimeout(timeout);
- var args = arguments;
- timeout = goog.global.setTimeout(function() {
- f.apply(opt_scope, args);
- }, interval);
- });
-};
-
-
-/**
- * Wraps a function to allow it to be called, at most, once per interval
- * (specified in milliseconds). If the wrapper function is called N times in
- * that interval, both the 1st and the Nth calls will go through.
- *
- * This is particularly useful for limiting repeated user requests where the
- * the last action should win, but you also don't want to wait until the end of
- * the interval before sending a request out, as it leads to a perception of
- * slowness for the user.
- *
- * @param {function(this:SCOPE, ...?)} f Function to call.
- * @param {number} interval Interval over which to throttle. The function can
- * only be called once per interval.
- * @param {SCOPE=} opt_scope Object in whose scope to call the function.
- * @return {function(...?): undefined} Wrapped function.
- * @template SCOPE
- */
-goog.functions.throttle = function(f, interval, opt_scope) {
- var timeout = 0;
- var shouldFire = false;
- var args = [];
-
- var handleTimeout = function() {
- timeout = 0;
- if (shouldFire) {
- shouldFire = false;
- fire();
- }
- };
-
- var fire = function() {
- timeout = goog.global.setTimeout(handleTimeout, interval);
- f.apply(opt_scope, args);
- };
-
- return /** @type {function(...?)} */ (function(var_args) {
- args = arguments;
- if (!timeout) {
- fire();
- } else {
- shouldFire = true;
- }
- });
-};
-
-
-/**
- * Wraps a function to allow it to be called, at most, once per interval
- * (specified in milliseconds). If the wrapper function is called N times within
- * that interval, only the 1st call will go through.
- *
- * This is particularly useful for limiting repeated user requests where the
- * first request is guaranteed to have all the data required to perform the
- * final action, so there's no need to wait until the end of the interval before
- * sending the request out.
- *
- * @param {function(this:SCOPE, ...?)} f Function to call.
- * @param {number} interval Interval over which to rate-limit. The function will
- * only be called once per interval, and ignored for the remainer of the
- * interval.
- * @param {SCOPE=} opt_scope Object in whose scope to call the function.
- * @return {function(...?): undefined} Wrapped function.
- * @template SCOPE
- */
-goog.functions.rateLimit = function(f, interval, opt_scope) {
- var timeout = 0;
-
- var handleTimeout = function() {
- timeout = 0;
- };
-
- return /** @type {function(...?)} */ (function(var_args) {
- if (!timeout) {
- timeout = goog.global.setTimeout(handleTimeout, interval);
- f.apply(opt_scope, arguments);
- }
- });
-};