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Moved benchmark-related utility functions to separate file.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /* | ||
| * Copyright (c) 2016-2018 Untu, Inc. | ||
| * This code is licensed under Eclipse Public License - v 1.0. | ||
| * The full license text can be found in LICENSE.txt file and | ||
| * on the Eclipse official site (https://www.eclipse.org/legal/epl-v10.html). | ||
| */ | ||
|
|
||
| 'use strict'; | ||
|
|
||
| /** | ||
| * Time unit multipliers for getting millisecond time. | ||
| */ | ||
| const timeUnitMultipliers = { | ||
| /** | ||
| * Milliseconds multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| milliseconds: function() { | ||
| return 1; | ||
| }, | ||
|
|
||
| /** | ||
| * Seconds multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| seconds: function() { | ||
| return 1000; | ||
| }, | ||
|
|
||
| /** | ||
| * Minutes multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| minutes: function() { | ||
| return this.seconds() * 60; | ||
| }, | ||
|
|
||
| /** | ||
| * Hours multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| hours: function() { | ||
| return this.minutes() * 60; | ||
| }, | ||
|
|
||
| /** | ||
| * Days multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| days: function() { | ||
| return this.hours() * 24; | ||
| }, | ||
|
|
||
| /** | ||
| * Weeks multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| weeks: function() { | ||
| return this.days() * 7; | ||
| }, | ||
|
|
||
| /** | ||
| * Months multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| months: function() { | ||
| return this.days() * 31; | ||
| }, | ||
|
|
||
| /** | ||
| * Years multiplier. | ||
| * | ||
| * @returns {Number} Multiplier for milliseconds. | ||
| */ | ||
| years: function() { | ||
| return this.days() * 365; | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * Converts a number to human-readable form, with order-of-magnitude | ||
| * postfix. | ||
| * | ||
| * Examples: 1000 => 1.0 K; 1500 => 1.5 K; 1000000 => 1.0 M; 1500000 => 1.5 M. | ||
| * | ||
| * @param {Number|String} n Number to convert. | ||
| * @param {Object} [options] Function options. | ||
| * - {Boolean} bytes Bytes mode flag. In bytes mode, 1 K = 1024 instead of 1000. False by default. | ||
| * - {Number} precision Floating point precision for the resulting number, i.e. how many digits after decimal point. | ||
| * - {String} separator Separator label. Default ' '. | ||
| * - {Boolean} pair Return result as array of number and unit. | ||
| * numbers will be present in the resulting floating point number. 3 by default. | ||
| * @returns {String|Array} Human-readable string representation of a number, or input, if it is not supported. | ||
| */ | ||
| exports.humanReadableNumber = function(n, options) { | ||
| let n0 = n; | ||
| options = options || {}; | ||
| options.separator = typeof options.separator === 'string' ? options.separator : ' '; | ||
|
|
||
| if (typeof n0 == 'string') { | ||
| if (!n0.match(/^[\d]+.?[\d]*$/)) { | ||
| return n0; | ||
| } | ||
|
|
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| n0 = parseFloat(n); | ||
| } | ||
|
|
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| let units = 'KMGTPEZYXWVU'; | ||
| let thresh = options.bytes ? 1024 : 1000; | ||
|
|
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| // Not Number or NaN. | ||
| // Skip non-positive numbers. | ||
| if (typeof n0 != 'number' || n0 != +n0 || n0 <= 0 || n0 < thresh) { | ||
| return options.pair ? [n, ''] : n; | ||
| } | ||
|
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| let u = -1; | ||
|
|
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| do { | ||
| n0 /= thresh; | ||
|
|
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| u += 1; | ||
| } | ||
| while (n0 >= thresh); | ||
|
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| let resultNumber = parseFloat(n0.toPrecision(options.precision || 3)); | ||
|
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| return options.pair ? [resultNumber, units.charAt(u)] : resultNumber + options.separator + units.charAt(u); | ||
| }; | ||
|
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| /** | ||
| * Converts an input time value from a specified time unit to milliseconds. | ||
| * | ||
| * @param {Number|String} timeValue Input time value. | ||
| * @param {String} timeUnit Time unit string ('minutes', 'hours', 'weeks', 'days', etc.). | ||
| * @returns {Number} Time value in milliseconds. | ||
| */ | ||
| exports.millisecondTime = function(timeValue, timeUnit) { | ||
| timeValue = parseInt(timeValue, 10); | ||
|
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| let multi = timeUnitMultipliers[timeUnit]; | ||
|
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| if (!multi) throw new Error('Unknown time unit: ' + timeUnit); | ||
|
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| return timeValue * multi.call(timeUnitMultipliers); | ||
| }; |
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