Commit | Line | Data |
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66a7748d JB |
1 | import { getRandomValues, randomBytes, randomInt, randomUUID } from 'node:crypto' |
2 | import { env, nextTick } from 'node:process' | |
8114d10e | 3 | |
f0c6601c JB |
4 | import { |
5 | formatDuration, | |
be4c6702 JB |
6 | hoursToMinutes, |
7 | hoursToSeconds, | |
b5c19509 | 8 | isDate, |
f0c6601c JB |
9 | millisecondsToHours, |
10 | millisecondsToMinutes, | |
11 | millisecondsToSeconds, | |
be4c6702 | 12 | minutesToSeconds, |
66a7748d JB |
13 | secondsToMilliseconds |
14 | } from 'date-fns' | |
088ee3c1 | 15 | |
66a7748d | 16 | import { Constants } from './Constants.js' |
4ccf551d JB |
17 | import { |
18 | type EmptyObject, | |
a66bbcfe | 19 | type ProtocolResponse, |
4ccf551d JB |
20 | type TimestampedData, |
21 | WebSocketCloseEventStatusString | |
22 | } from '../types/index.js' | |
5e3cb728 | 23 | |
9bf0ef23 | 24 | export const logPrefix = (prefixString = ''): string => { |
66a7748d JB |
25 | return `${new Date().toLocaleString()}${prefixString}` |
26 | } | |
d5bd1c00 | 27 | |
9bf0ef23 | 28 | export const generateUUID = (): string => { |
66a7748d JB |
29 | return randomUUID() |
30 | } | |
147d0e0f | 31 | |
9bf0ef23 | 32 | export const validateUUID = (uuid: string): boolean => { |
66a7748d JB |
33 | return /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test(uuid) |
34 | } | |
03eacbe5 | 35 | |
9bf0ef23 | 36 | export const sleep = async (milliSeconds: number): Promise<NodeJS.Timeout> => { |
a974c8e4 | 37 | return await new Promise<NodeJS.Timeout>(resolve => |
66a7748d JB |
38 | setTimeout(resolve as () => void, milliSeconds) |
39 | ) | |
40 | } | |
7dde0b73 | 41 | |
9bf0ef23 | 42 | export const formatDurationMilliSeconds = (duration: number): string => { |
66a7748d | 43 | duration = convertToInt(duration) |
17b07e47 | 44 | if (duration < 0) { |
66a7748d | 45 | throw new RangeError('Duration cannot be negative') |
17b07e47 | 46 | } |
66a7748d JB |
47 | const days = Math.floor(duration / (24 * 3600 * 1000)) |
48 | const hours = Math.floor(millisecondsToHours(duration) - days * 24) | |
be4c6702 | 49 | const minutes = Math.floor( |
66a7748d JB |
50 | millisecondsToMinutes(duration) - days * 24 * 60 - hoursToMinutes(hours) |
51 | ) | |
f0c6601c | 52 | const seconds = Math.floor( |
be4c6702 JB |
53 | millisecondsToSeconds(duration) - |
54 | days * 24 * 3600 - | |
55 | hoursToSeconds(hours) - | |
66a7748d JB |
56 | minutesToSeconds(minutes) |
57 | ) | |
d7ceb0f0 | 58 | if (days === 0 && hours === 0 && minutes === 0 && seconds === 0) { |
66a7748d | 59 | return formatDuration({ seconds }, { zero: true }) |
d7ceb0f0 JB |
60 | } |
61 | return formatDuration({ | |
62 | days, | |
63 | hours, | |
64 | minutes, | |
66a7748d JB |
65 | seconds |
66 | }) | |
67 | } | |
7dde0b73 | 68 | |
9bf0ef23 | 69 | export const formatDurationSeconds = (duration: number): string => { |
66a7748d JB |
70 | return formatDurationMilliSeconds(secondsToMilliseconds(duration)) |
71 | } | |
7dde0b73 | 72 | |
0bd926c1 | 73 | // More efficient time validation function than the one provided by date-fns |
5dc7c990 | 74 | export const isValidDate = (date: Date | number | undefined): date is Date | number => { |
b5c19509 | 75 | if (typeof date === 'number') { |
66a7748d | 76 | return !isNaN(date) |
b5c19509 | 77 | } else if (isDate(date)) { |
66a7748d | 78 | return !isNaN(date.getTime()) |
b5c19509 | 79 | } |
66a7748d JB |
80 | return false |
81 | } | |
b5c19509 | 82 | |
a78c196b | 83 | export const convertToDate = ( |
5dc7c990 | 84 | value: Date | string | number | undefined | null |
79fd697f | 85 | ): Date | undefined => { |
66a7748d | 86 | if (value == null) { |
79fd697f | 87 | return undefined |
7dde0b73 | 88 | } |
0bd926c1 | 89 | if (isDate(value)) { |
66a7748d | 90 | return value |
a6e68f34 | 91 | } |
9bf0ef23 | 92 | if (isString(value) || typeof value === 'number') { |
66a7748d | 93 | const valueToDate = new Date(value) |
85cce27f | 94 | if (isNaN(valueToDate.getTime())) { |
66a7748d | 95 | throw new Error(`Cannot convert to date: '${value}'`) |
43ff25b8 | 96 | } |
66a7748d | 97 | return valueToDate |
560bcf5b | 98 | } |
66a7748d | 99 | } |
560bcf5b | 100 | |
9bf0ef23 | 101 | export const convertToInt = (value: unknown): number => { |
66a7748d JB |
102 | if (value == null) { |
103 | return 0 | |
560bcf5b | 104 | } |
66a7748d | 105 | let changedValue: number = value as number |
9bf0ef23 | 106 | if (Number.isSafeInteger(value)) { |
66a7748d | 107 | return value as number |
6d3a11a0 | 108 | } |
9bf0ef23 | 109 | if (typeof value === 'number') { |
66a7748d | 110 | return Math.trunc(value) |
7dde0b73 | 111 | } |
9bf0ef23 | 112 | if (isString(value)) { |
5dc7c990 | 113 | changedValue = parseInt(value) |
9ccca265 | 114 | } |
9bf0ef23 | 115 | if (isNaN(changedValue)) { |
66a7748d | 116 | throw new Error(`Cannot convert to integer: '${String(value)}'`) |
dada83ec | 117 | } |
66a7748d JB |
118 | return changedValue |
119 | } | |
dada83ec | 120 | |
9bf0ef23 | 121 | export const convertToFloat = (value: unknown): number => { |
66a7748d JB |
122 | if (value == null) { |
123 | return 0 | |
dada83ec | 124 | } |
66a7748d | 125 | let changedValue: number = value as number |
9bf0ef23 | 126 | if (isString(value)) { |
5dc7c990 | 127 | changedValue = parseFloat(value) |
560bcf5b | 128 | } |
9bf0ef23 | 129 | if (isNaN(changedValue)) { |
66a7748d | 130 | throw new Error(`Cannot convert to float: '${String(value)}'`) |
5a2a53cf | 131 | } |
66a7748d JB |
132 | return changedValue |
133 | } | |
5a2a53cf | 134 | |
9bf0ef23 | 135 | export const convertToBoolean = (value: unknown): boolean => { |
66a7748d | 136 | let result = false |
a78c196b | 137 | if (value != null) { |
9bf0ef23 JB |
138 | // Check the type |
139 | if (typeof value === 'boolean') { | |
66a7748d | 140 | return value |
5dc7c990 | 141 | } else if (isString(value) && (value.toLowerCase() === 'true' || value === '1')) { |
66a7748d | 142 | result = true |
9bf0ef23 | 143 | } else if (typeof value === 'number' && value === 1) { |
66a7748d | 144 | result = true |
e7aeea18 | 145 | } |
c37528f1 | 146 | } |
66a7748d JB |
147 | return result |
148 | } | |
9bf0ef23 JB |
149 | |
150 | export const getRandomFloat = (max = Number.MAX_VALUE, min = 0): number => { | |
151 | if (max < min) { | |
66a7748d | 152 | throw new RangeError('Invalid interval') |
9bf0ef23 JB |
153 | } |
154 | if (max - min === Infinity) { | |
66a7748d | 155 | throw new RangeError('Invalid interval') |
9bf0ef23 | 156 | } |
66a7748d JB |
157 | return (randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min |
158 | } | |
9bf0ef23 JB |
159 | |
160 | export const getRandomInteger = (max = Constants.MAX_RANDOM_INTEGER, min = 0): number => { | |
66a7748d | 161 | max = Math.floor(max) |
5199f9fd | 162 | if (min !== 0) { |
66a7748d JB |
163 | min = Math.ceil(min) |
164 | return Math.floor(randomInt(min, max + 1)) | |
9bf0ef23 | 165 | } |
66a7748d JB |
166 | return Math.floor(randomInt(max + 1)) |
167 | } | |
9bf0ef23 JB |
168 | |
169 | /** | |
170 | * Rounds the given number to the given scale. | |
171 | * The rounding is done using the "round half away from zero" method. | |
172 | * | |
173 | * @param numberValue - The number to round. | |
174 | * @param scale - The scale to round to. | |
175 | * @returns The rounded number. | |
176 | */ | |
177 | export const roundTo = (numberValue: number, scale: number): number => { | |
66a7748d JB |
178 | const roundPower = Math.pow(10, scale) |
179 | return Math.round(numberValue * roundPower * (1 + Number.EPSILON)) / roundPower | |
180 | } | |
9bf0ef23 JB |
181 | |
182 | export const getRandomFloatRounded = (max = Number.MAX_VALUE, min = 0, scale = 2): number => { | |
5199f9fd | 183 | if (min !== 0) { |
66a7748d | 184 | return roundTo(getRandomFloat(max, min), scale) |
9bf0ef23 | 185 | } |
66a7748d JB |
186 | return roundTo(getRandomFloat(max), scale) |
187 | } | |
9bf0ef23 JB |
188 | |
189 | export const getRandomFloatFluctuatedRounded = ( | |
190 | staticValue: number, | |
191 | fluctuationPercent: number, | |
66a7748d | 192 | scale = 2 |
9bf0ef23 JB |
193 | ): number => { |
194 | if (fluctuationPercent < 0 || fluctuationPercent > 100) { | |
195 | throw new RangeError( | |
66a7748d JB |
196 | `Fluctuation percent must be between 0 and 100. Actual value: ${fluctuationPercent}` |
197 | ) | |
fe791818 | 198 | } |
9bf0ef23 | 199 | if (fluctuationPercent === 0) { |
66a7748d | 200 | return roundTo(staticValue, scale) |
9bf0ef23 | 201 | } |
66a7748d | 202 | const fluctuationRatio = fluctuationPercent / 100 |
9bf0ef23 JB |
203 | return getRandomFloatRounded( |
204 | staticValue * (1 + fluctuationRatio), | |
205 | staticValue * (1 - fluctuationRatio), | |
66a7748d JB |
206 | scale |
207 | ) | |
208 | } | |
9bf0ef23 | 209 | |
66a7748d | 210 | export const extractTimeSeriesValues = (timeSeries: TimestampedData[]): number[] => { |
a974c8e4 | 211 | return timeSeries.map(timeSeriesItem => timeSeriesItem.value) |
66a7748d | 212 | } |
da55bd34 | 213 | |
32f5e42d JB |
214 | type CloneableData = |
215 | | number | |
216 | | string | |
217 | | boolean | |
218 | | null | |
219 | | undefined | |
220 | | Date | |
221 | | CloneableData[] | |
66a7748d | 222 | | { [key: string]: CloneableData } |
32f5e42d | 223 | |
66a7748d | 224 | type FormatKey = (key: string) => string |
661ac64b | 225 | |
015f3404 | 226 | const deepClone = <I extends CloneableData, O extends CloneableData = I>( |
661ac64b JB |
227 | value: I, |
228 | formatKey?: FormatKey, | |
66a7748d | 229 | refs: Map<I, O> = new Map<I, O>() |
015f3404 | 230 | ): O => { |
66a7748d | 231 | const ref = refs.get(value) |
661ac64b | 232 | if (ref !== undefined) { |
66a7748d | 233 | return ref |
661ac64b JB |
234 | } |
235 | if (Array.isArray(value)) { | |
66a7748d JB |
236 | const clone: CloneableData[] = [] |
237 | refs.set(value, clone as O) | |
661ac64b | 238 | for (let i = 0; i < value.length; i++) { |
66a7748d | 239 | clone[i] = deepClone(value[i], formatKey, refs) |
661ac64b | 240 | } |
66a7748d | 241 | return clone as O |
661ac64b JB |
242 | } |
243 | if (value instanceof Date) { | |
1e2ec4a6 | 244 | return new Date(value.getTime()) as O |
661ac64b JB |
245 | } |
246 | if (typeof value !== 'object' || value === null) { | |
66a7748d | 247 | return value as unknown as O |
661ac64b | 248 | } |
66a7748d JB |
249 | const clone: Record<string, CloneableData> = {} |
250 | refs.set(value, clone as O) | |
661ac64b JB |
251 | for (const key of Object.keys(value)) { |
252 | clone[typeof formatKey === 'function' ? formatKey(key) : key] = deepClone( | |
253 | value[key], | |
254 | formatKey, | |
66a7748d JB |
255 | refs |
256 | ) | |
661ac64b | 257 | } |
66a7748d JB |
258 | return clone as O |
259 | } | |
661ac64b | 260 | |
40615072 | 261 | export const clone = <T>(object: T): T => { |
66a7748d JB |
262 | return deepClone(object as CloneableData) as T |
263 | } | |
9bf0ef23 | 264 | |
be0a4d4d JB |
265 | /** |
266 | * Detects whether the given value is an asynchronous function or not. | |
267 | * | |
268 | * @param fn - Unknown value. | |
269 | * @returns `true` if `fn` was an asynchronous function, otherwise `false`. | |
270 | * @internal | |
271 | */ | |
272 | export const isAsyncFunction = (fn: unknown): fn is (...args: unknown[]) => Promise<unknown> => { | |
273 | return typeof fn === 'function' && fn.constructor.name === 'AsyncFunction' | |
274 | } | |
275 | ||
bfcd3a87 JB |
276 | export const isObject = (value: unknown): value is object => { |
277 | return value != null && typeof value === 'object' && !Array.isArray(value) | |
278 | } | |
279 | ||
4ccf551d | 280 | export const isEmptyObject = (object: object): object is EmptyObject => { |
bfcd3a87 JB |
281 | if (object.constructor !== Object) { |
282 | return false | |
283 | } | |
284 | // Iterates over the keys of an object, if | |
285 | // any exist, return false. | |
286 | // eslint-disable-next-line no-unreachable-loop | |
287 | for (const _ in object) { | |
288 | return false | |
289 | } | |
290 | return true | |
291 | } | |
292 | ||
293 | export const hasOwnProp = (value: unknown, property: PropertyKey): boolean => { | |
294 | return isObject(value) && Object.hasOwn(value, property) | |
66a7748d | 295 | } |
9bf0ef23 JB |
296 | |
297 | export const isCFEnvironment = (): boolean => { | |
aa63c9b7 | 298 | return env.VCAP_APPLICATION != null |
66a7748d | 299 | } |
9bf0ef23 | 300 | |
5dc7c990 | 301 | const isString = (value: unknown): value is string => { |
66a7748d JB |
302 | return typeof value === 'string' |
303 | } | |
9bf0ef23 | 304 | |
bfcd3a87 | 305 | export const isEmptyString = (value: unknown): value is '' | undefined | null => { |
5dc7c990 | 306 | return value == null || (isString(value) && value.trim().length === 0) |
66a7748d | 307 | } |
9bf0ef23 | 308 | |
5dc7c990 JB |
309 | export const isNotEmptyString = (value: unknown): value is string => { |
310 | return isString(value) && value.trim().length > 0 | |
66a7748d | 311 | } |
9bf0ef23 | 312 | |
bfcd3a87 JB |
313 | export const isEmptyArray = (value: unknown): value is never[] => { |
314 | return Array.isArray(value) && value.length === 0 | |
66a7748d | 315 | } |
9bf0ef23 | 316 | |
bfcd3a87 JB |
317 | export const isNotEmptyArray = (value: unknown): value is unknown[] => { |
318 | return Array.isArray(value) && value.length > 0 | |
66a7748d | 319 | } |
9bf0ef23 JB |
320 | |
321 | export const insertAt = (str: string, subStr: string, pos: number): string => | |
66a7748d | 322 | `${str.slice(0, pos)}${subStr}${str.slice(pos)}` |
9bf0ef23 JB |
323 | |
324 | /** | |
325 | * Computes the retry delay in milliseconds using an exponential backoff algorithm. | |
326 | * | |
327 | * @param retryNumber - the number of retries that have already been attempted | |
45abd3c6 | 328 | * @param delayFactor - the base delay factor in milliseconds |
9bf0ef23 JB |
329 | * @returns delay in milliseconds |
330 | */ | |
45abd3c6 | 331 | export const exponentialDelay = (retryNumber = 0, delayFactor = 100): number => { |
66a7748d JB |
332 | const delay = Math.pow(2, retryNumber) * delayFactor |
333 | const randomSum = delay * 0.2 * secureRandom() // 0-20% of the delay | |
334 | return delay + randomSum | |
335 | } | |
9bf0ef23 | 336 | |
9bf0ef23 JB |
337 | /** |
338 | * Generates a cryptographically secure random number in the [0,1[ range | |
339 | * | |
ab93b184 | 340 | * @returns A number in the [0,1[ range |
9bf0ef23 JB |
341 | */ |
342 | export const secureRandom = (): number => { | |
66a7748d JB |
343 | return getRandomValues(new Uint32Array(1))[0] / 0x100000000 |
344 | } | |
9bf0ef23 JB |
345 | |
346 | export const JSONStringifyWithMapSupport = ( | |
a66bbcfe JB |
347 | object: |
348 | | Record<string, unknown> | |
349 | | Array<Record<string, unknown>> | |
350 | | Map<unknown, unknown> | |
351 | | ProtocolResponse, | |
352 | space?: string | number | |
9bf0ef23 JB |
353 | ): string => { |
354 | return JSON.stringify( | |
bfcd3a87 | 355 | object, |
58ddf341 | 356 | (_, value: Record<string, unknown>) => { |
9bf0ef23 JB |
357 | if (value instanceof Map) { |
358 | return { | |
359 | dataType: 'Map', | |
66a7748d JB |
360 | value: [...value] |
361 | } | |
9bf0ef23 | 362 | } |
66a7748d | 363 | return value |
9bf0ef23 | 364 | }, |
66a7748d JB |
365 | space |
366 | ) | |
367 | } | |
9bf0ef23 JB |
368 | |
369 | /** | |
370 | * Converts websocket error code to human readable string message | |
371 | * | |
372 | * @param code - websocket error code | |
373 | * @returns human readable string message | |
374 | */ | |
375 | export const getWebSocketCloseEventStatusString = (code: number): string => { | |
376 | if (code >= 0 && code <= 999) { | |
66a7748d | 377 | return '(Unused)' |
9bf0ef23 JB |
378 | } else if (code >= 1016) { |
379 | if (code <= 1999) { | |
66a7748d | 380 | return '(For WebSocket standard)' |
9bf0ef23 | 381 | } else if (code <= 2999) { |
66a7748d | 382 | return '(For WebSocket extensions)' |
9bf0ef23 | 383 | } else if (code <= 3999) { |
66a7748d | 384 | return '(For libraries and frameworks)' |
9bf0ef23 | 385 | } else if (code <= 4999) { |
66a7748d | 386 | return '(For applications)' |
5e3cb728 | 387 | } |
5e3cb728 | 388 | } |
a37fc6dc | 389 | if ( |
5199f9fd JB |
390 | // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition |
391 | WebSocketCloseEventStatusString[code as keyof typeof WebSocketCloseEventStatusString] != null | |
a37fc6dc | 392 | ) { |
66a7748d | 393 | return WebSocketCloseEventStatusString[code as keyof typeof WebSocketCloseEventStatusString] |
9bf0ef23 | 394 | } |
66a7748d JB |
395 | return '(Unknown)' |
396 | } | |
80c58041 | 397 | |
991fb26b JB |
398 | export const isArraySorted = <T>(array: T[], compareFn: (a: T, b: T) => number): boolean => { |
399 | for (let index = 0; index < array.length - 1; ++index) { | |
400 | if (compareFn(array[index], array[index + 1]) > 0) { | |
66a7748d | 401 | return false |
80c58041 JB |
402 | } |
403 | } | |
66a7748d JB |
404 | return true |
405 | } | |
5f742aac JB |
406 | |
407 | // eslint-disable-next-line @typescript-eslint/no-explicit-any | |
408 | export const once = <T, A extends any[], R>( | |
409 | fn: (...args: A) => R, | |
66a7748d | 410 | context: T |
5f742aac | 411 | ): ((...args: A) => R) => { |
66a7748d | 412 | let result: R |
5f742aac | 413 | return (...args: A) => { |
5199f9fd | 414 | // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition |
66a7748d JB |
415 | if (fn != null) { |
416 | result = fn.apply<T, A, R>(context, args) | |
417 | ;(fn as unknown as undefined) = (context as unknown as undefined) = undefined | |
5f742aac | 418 | } |
66a7748d JB |
419 | return result |
420 | } | |
421 | } | |
5adf6ca4 JB |
422 | |
423 | export const min = (...args: number[]): number => | |
66a7748d | 424 | args.reduce((minimum, num) => (minimum < num ? minimum : num), Infinity) |
5adf6ca4 JB |
425 | |
426 | export const max = (...args: number[]): number => | |
66a7748d | 427 | args.reduce((maximum, num) => (maximum > num ? maximum : num), -Infinity) |
29dff95e JB |
428 | |
429 | export const throwErrorInNextTick = (error: Error): void => { | |
430 | nextTick(() => { | |
66a7748d JB |
431 | throw error |
432 | }) | |
433 | } |