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@aws-cdk/core

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AWS Cloud Development Kit Core Library

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"use strict"; var _a; Object.defineProperty(exports, "__esModule", { value: true }); exports.Duration = void 0; const jsiiDeprecationWarnings = require("../.warnings.jsii.js"); const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti"); const token_1 = require("./token"); /** * Represents a length of time. * * The amount can be specified either as a literal value (e.g: `10`) which * cannot be negative, or as an unresolved number token. * * When the amount is passed as a token, unit conversion is not possible. */ class Duration { constructor(amount, unit) { if (!token_1.Token.isUnresolved(amount) && amount < 0) { throw new Error(`Duration amounts cannot be negative. Received: ${amount}`); } this.amount = amount; this.unit = unit; } /** * Create a Duration representing an amount of milliseconds * * @param amount the amount of Milliseconds the `Duration` will represent. * @returns a new `Duration` representing `amount` ms. */ static millis(amount) { return new Duration(amount, TimeUnit.Milliseconds); } /** * Create a Duration representing an amount of seconds * * @param amount the amount of Seconds the `Duration` will represent. * @returns a new `Duration` representing `amount` Seconds. */ static seconds(amount) { return new Duration(amount, TimeUnit.Seconds); } /** * Create a Duration representing an amount of minutes * * @param amount the amount of Minutes the `Duration` will represent. * @returns a new `Duration` representing `amount` Minutes. */ static minutes(amount) { return new Duration(amount, TimeUnit.Minutes); } /** * Create a Duration representing an amount of hours * * @param amount the amount of Hours the `Duration` will represent. * @returns a new `Duration` representing `amount` Hours. */ static hours(amount) { return new Duration(amount, TimeUnit.Hours); } /** * Create a Duration representing an amount of days * * @param amount the amount of Days the `Duration` will represent. * @returns a new `Duration` representing `amount` Days. */ static days(amount) { return new Duration(amount, TimeUnit.Days); } /** * Parse a period formatted according to the ISO 8601 standard * * @see https://www.iso.org/fr/standard/70907.html * @param duration an ISO-formtted duration to be parsed. * @returns the parsed `Duration`. */ static parse(duration) { const matches = duration.match(/^P(?:(\d+)D)?(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?)?$/); if (!matches) { throw new Error(`Not a valid ISO duration: ${duration}`); } const [, days, hours, minutes, seconds] = matches; if (!days && !hours && !minutes && !seconds) { throw new Error(`Not a valid ISO duration: ${duration}`); } return Duration.millis(_toInt(seconds) * TimeUnit.Seconds.inMillis + (_toInt(minutes) * TimeUnit.Minutes.inMillis) + (_toInt(hours) * TimeUnit.Hours.inMillis) + (_toInt(days) * TimeUnit.Days.inMillis)); function _toInt(str) { if (!str) { return 0; } return Number(str); } } /** * Add two Durations together */ plus(rhs) { try { jsiiDeprecationWarnings._aws_cdk_core_Duration(rhs); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.plus); } throw error; } const targetUnit = finestUnit(this.unit, rhs.unit); const res = convert(this.amount, this.unit, targetUnit, {}) + convert(rhs.amount, rhs.unit, targetUnit, {}); return new Duration(res, targetUnit); } /** * Substract two Durations together */ minus(rhs) { try { jsiiDeprecationWarnings._aws_cdk_core_Duration(rhs); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.minus); } throw error; } const targetUnit = finestUnit(this.unit, rhs.unit); const res = convert(this.amount, this.unit, targetUnit, {}) - convert(rhs.amount, rhs.unit, targetUnit, {}); return new Duration(res, targetUnit); } /** * Return the total number of milliseconds in this Duration * * @returns the value of this `Duration` expressed in Milliseconds. */ toMilliseconds(opts = {}) { try { jsiiDeprecationWarnings._aws_cdk_core_TimeConversionOptions(opts); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.toMilliseconds); } throw error; } return convert(this.amount, this.unit, TimeUnit.Milliseconds, opts); } /** * Return the total number of seconds in this Duration * * @returns the value of this `Duration` expressed in Seconds. */ toSeconds(opts = {}) { try { jsiiDeprecationWarnings._aws_cdk_core_TimeConversionOptions(opts); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.toSeconds); } throw error; } return convert(this.amount, this.unit, TimeUnit.Seconds, opts); } /** * Return the total number of minutes in this Duration * * @returns the value of this `Duration` expressed in Minutes. */ toMinutes(opts = {}) { try { jsiiDeprecationWarnings._aws_cdk_core_TimeConversionOptions(opts); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.toMinutes); } throw error; } return convert(this.amount, this.unit, TimeUnit.Minutes, opts); } /** * Return the total number of hours in this Duration * * @returns the value of this `Duration` expressed in Hours. */ toHours(opts = {}) { try { jsiiDeprecationWarnings._aws_cdk_core_TimeConversionOptions(opts); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.toHours); } throw error; } return convert(this.amount, this.unit, TimeUnit.Hours, opts); } /** * Return the total number of days in this Duration * * @returns the value of this `Duration` expressed in Days. */ toDays(opts = {}) { try { jsiiDeprecationWarnings._aws_cdk_core_TimeConversionOptions(opts); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.toDays); } throw error; } return convert(this.amount, this.unit, TimeUnit.Days, opts); } /** * Return an ISO 8601 representation of this period * * @returns a string starting with 'P' describing the period * @see https://www.iso.org/fr/standard/70907.html */ toIsoString() { if (this.amount === 0) { return 'PT0S'; } const ret = ['P']; let tee = false; for (const [amount, unit] of this.components(true)) { if ([TimeUnit.Seconds, TimeUnit.Minutes, TimeUnit.Hours].includes(unit) && !tee) { ret.push('T'); tee = true; } ret.push(`${amount}${unit.isoLabel}`); } return ret.join(''); } /** * Return an ISO 8601 representation of this period * * @returns a string starting with 'P' describing the period * @see https://www.iso.org/fr/standard/70907.html * @deprecated Use `toIsoString()` instead. */ toISOString() { try { jsiiDeprecationWarnings.print("@aws-cdk/core.Duration#toISOString", "Use `toIsoString()` instead."); } catch (error) { if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") { Error.captureStackTrace(error, this.toISOString); } throw error; } return this.toIsoString(); } /** * Turn this duration into a human-readable string */ toHumanString() { if (this.amount === 0) { return fmtUnit(0, this.unit); } if (token_1.Token.isUnresolved(this.amount)) { return `<token> ${this.unit.label}`; } return this.components(false) // 2 significant parts, that's totally enough for humans .slice(0, 2) .map(([amount, unit]) => fmtUnit(amount, unit)) .join(' '); function fmtUnit(amount, unit) { if (amount === 1) { // All of the labels end in 's' return `${amount} ${unit.label.substring(0, unit.label.length - 1)}`; } return `${amount} ${unit.label}`; } } /** * Returns a string representation of this `Duration` * * This is is never the right function to use when you want to use the `Duration` * object in a template. Use `toSeconds()`, `toMinutes()`, `toDays()`, etc. instead. */ toString() { return `Duration.${this.unit.label}(${this.amount})`; } /** * Return the duration in a set of whole numbered time components, ordered from largest to smallest * * Only components != 0 will be returned. * * Can combine millis and seconds together for the benefit of toIsoString, * makes the logic in there simpler. */ components(combineMillisWithSeconds) { const ret = new Array(); let millis = convert(this.amount, this.unit, TimeUnit.Milliseconds, { integral: false }); for (const unit of [TimeUnit.Days, TimeUnit.Hours, TimeUnit.Minutes, TimeUnit.Seconds]) { const count = convert(millis, TimeUnit.Milliseconds, unit, { integral: false }); // Round down to a whole number UNLESS we're combining millis and seconds and we got to the seconds const wholeCount = unit === TimeUnit.Seconds && combineMillisWithSeconds ? count : Math.floor(count); if (wholeCount > 0) { ret.push([wholeCount, unit]); millis -= wholeCount * unit.inMillis; } } // Remainder in millis if (millis > 0) { ret.push([millis, TimeUnit.Milliseconds]); } return ret; } /** * Checks if duration is a token or a resolvable object */ isUnresolved() { return token_1.Token.isUnresolved(this.amount); } /** * Returns unit of the duration */ unitLabel() { return this.unit.label; } /** * Returns stringified number of duration */ formatTokenToNumber() { const number = token_1.Tokenization.stringifyNumber(this.amount); return `${number} ${this.unit.label}`; } } exports.Duration = Duration; _a = JSII_RTTI_SYMBOL_1; Duration[_a] = { fqn: "@aws-cdk/core.Duration", version: "1.204.0" }; class TimeUnit { constructor(label, isoLabel, inMillis) { this.label = label; this.isoLabel = isoLabel; this.inMillis = inMillis; } toString() { return this.label; } } TimeUnit.Milliseconds = new TimeUnit('millis', '', 1); TimeUnit.Seconds = new TimeUnit('seconds', 'S', 1000); TimeUnit.Minutes = new TimeUnit('minutes', 'M', 60000); TimeUnit.Hours = new TimeUnit('hours', 'H', 3600000); TimeUnit.Days = new TimeUnit('days', 'D', 86400000); function convert(amount, fromUnit, toUnit, { integral = true }) { if (fromUnit.inMillis === toUnit.inMillis) { return amount; } if (token_1.Token.isUnresolved(amount)) { throw new Error(`Duration must be specified as 'Duration.${toUnit}()' here since its value comes from a token and cannot be converted (got Duration.${fromUnit})`); } const value = (amount * fromUnit.inMillis) / toUnit.inMillis; if (!Number.isInteger(value) && integral) { throw new Error(`'${amount} ${fromUnit}' cannot be converted into a whole number of ${toUnit}.`); } return value; } /** * Return the time unit with highest granularity */ function finestUnit(a, b) { return a.inMillis < b.inMillis ? a : b; } //# 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{ Token, Tokenization } from './token';\n\n/**\n * Represents a length of time.\n *\n * The amount can be specified either as a literal value (e.g: `10`) which\n * cannot be negative, or as an unresolved number token.\n *\n * When the amount is passed as a token, unit conversion is not possible.\n */\nexport class Duration {\n  /**\n   * Create a Duration representing an amount of milliseconds\n   *\n   * @param amount the amount of Milliseconds the `Duration` will represent.\n   * @returns a new `Duration` representing `amount` ms.\n   */\n  public static millis(amount: number): Duration {\n    return new Duration(amount, TimeUnit.Milliseconds);\n  }\n\n  /**\n   * Create a Duration representing an amount of seconds\n   *\n   * @param amount the amount of Seconds the `Duration` will represent.\n   * @returns a new `Duration` representing `amount` Seconds.\n   */\n  public static seconds(amount: number): Duration {\n    return new Duration(amount, TimeUnit.Seconds);\n  }\n\n  /**\n   * Create a Duration representing an amount of minutes\n   *\n   * @param amount the amount of Minutes the `Duration` will represent.\n   * @returns a new `Duration` representing `amount` Minutes.\n   */\n  public static minutes(amount: number): Duration {\n    return new Duration(amount, TimeUnit.Minutes);\n  }\n\n  /**\n   * Create a Duration representing an amount of hours\n   *\n   * @param amount the amount of Hours the `Duration` will represent.\n   * @returns a new `Duration` representing `amount` Hours.\n   */\n  public static hours(amount: number): Duration {\n    return new Duration(amount, TimeUnit.Hours);\n  }\n\n  /**\n   * Create a Duration representing an amount of days\n   *\n   * @param amount the amount of Days the `Duration` will represent.\n   * @returns a new `Duration` representing `amount` Days.\n   */\n  public static days(amount: number): Duration {\n    return new Duration(amount, TimeUnit.Days);\n  }\n\n  /**\n   * Parse a period formatted according to the ISO 8601 standard\n   *\n   * @see https://www.iso.org/fr/standard/70907.html\n   * @param duration an ISO-formtted duration to be parsed.\n   * @returns the parsed `Duration`.\n   */\n  public static parse(duration: string): Duration {\n    const matches = duration.match(/^P(?:(\\d+)D)?(?:T(?:(\\d+)H)?(?:(\\d+)M)?(?:(\\d+)S)?)?$/);\n    if (!matches) {\n      throw new Error(`Not a valid ISO duration: ${duration}`);\n    }\n    const [, days, hours, minutes, seconds] = matches;\n    if (!days && !hours && !minutes && !seconds) {\n      throw new Error(`Not a valid ISO duration: ${duration}`);\n    }\n    return Duration.millis(\n      _toInt(seconds) * TimeUnit.Seconds.inMillis\n      + (_toInt(minutes) * TimeUnit.Minutes.inMillis)\n      + (_toInt(hours) * TimeUnit.Hours.inMillis)\n      + (_toInt(days) * TimeUnit.Days.inMillis),\n    );\n\n    function _toInt(str: string): number {\n      if (!str) { return 0; }\n      return Number(str);\n    }\n  }\n\n  private readonly amount: number;\n  private readonly unit: TimeUnit;\n\n  private constructor(amount: number, unit: TimeUnit) {\n    if (!Token.isUnresolved(amount) && amount < 0) {\n      throw new Error(`Duration amounts cannot be negative. Received: ${amount}`);\n    }\n\n    this.amount = amount;\n    this.unit = unit;\n  }\n\n  /**\n   * Add two Durations together\n   */\n  public plus(rhs: Duration): Duration {\n    const targetUnit = finestUnit(this.unit, rhs.unit);\n    const res = convert(this.amount, this.unit, targetUnit, {}) + convert(rhs.amount, rhs.unit, targetUnit, {});\n    return new Duration(res, targetUnit);\n  }\n\n  /**\n   * Substract two Durations together\n   */\n  public minus(rhs: Duration): Duration {\n    const targetUnit = finestUnit(this.unit, rhs.unit);\n    const res = convert(this.amount, this.unit, targetUnit, {}) - convert(rhs.amount, rhs.unit, targetUnit, {});\n    return new Duration(res, targetUnit);\n  }\n\n  /**\n   * Return the total number of milliseconds in this Duration\n   *\n   * @returns the value of this `Duration` expressed in Milliseconds.\n   */\n  public toMilliseconds(opts: TimeConversionOptions = {}): number {\n    return convert(this.amount, this.unit, TimeUnit.Milliseconds, opts);\n  }\n\n  /**\n   * Return the total number of seconds in this Duration\n   *\n   * @returns the value of this `Duration` expressed in Seconds.\n   */\n  public toSeconds(opts: TimeConversionOptions = {}): number {\n    return convert(this.amount, this.unit, TimeUnit.Seconds, opts);\n  }\n\n  /**\n   * Return the total number of minutes in this Duration\n   *\n   * @returns the value of this `Duration` expressed in Minutes.\n   */\n  public toMinutes(opts: TimeConversionOptions = {}): number {\n    return convert(this.amount, this.unit, TimeUnit.Minutes, opts);\n  }\n\n  /**\n   * Return the total number of hours in this Duration\n   *\n   * @returns the value of this `Duration` expressed in Hours.\n   */\n  public toHours(opts: TimeConversionOptions = {}): number {\n    return convert(this.amount, this.unit, TimeUnit.Hours, opts);\n  }\n\n  /**\n   * Return the total number of days in this Duration\n   *\n   * @returns the value of this `Duration` expressed in Days.\n   */\n  public toDays(opts: TimeConversionOptions = {}): number {\n    return convert(this.amount, this.unit, TimeUnit.Days, opts);\n  }\n\n  /**\n   * Return an ISO 8601 representation of this period\n   *\n   * @returns a string starting with 'P' describing the period\n   * @see https://www.iso.org/fr/standard/70907.html\n   */\n  public toIsoString(): string {\n    if (this.amount === 0) { return 'PT0S'; }\n\n    const ret = ['P'];\n    let tee = false;\n\n    for (const [amount, unit] of this.components(true)) {\n      if ([TimeUnit.Seconds, TimeUnit.Minutes, TimeUnit.Hours].includes(unit) && !tee) {\n        ret.push('T');\n        tee = true;\n      }\n      ret.push(`${amount}${unit.isoLabel}`);\n    }\n\n    return ret.join('');\n  }\n\n  /**\n   * Return an ISO 8601 representation of this period\n   *\n   * @returns a string starting with 'P' describing the period\n   * @see https://www.iso.org/fr/standard/70907.html\n   * @deprecated Use `toIsoString()` instead.\n   */\n  public toISOString(): string {\n    return this.toIsoString();\n  }\n\n  /**\n   * Turn this duration into a human-readable string\n   */\n  public toHumanString(): string {\n    if (this.amount === 0) { return fmtUnit(0, this.unit); }\n    if (Token.isUnresolved(this.amount)) { return `<token> ${this.unit.label}`; }\n\n    return this.components(false)\n      // 2 significant parts, that's totally enough for humans\n      .slice(0, 2)\n      .map(([amount, unit]) => fmtUnit(amount, unit))\n      .join(' ');\n\n    function fmtUnit(amount: number, unit: TimeUnit) {\n      if (amount === 1) {\n        // All of the labels end in 's'\n        return `${amount} ${unit.label.substring(0, unit.label.length - 1)}`;\n      }\n      return `${amount} ${unit.label}`;\n    }\n  }\n\n  /**\n   * Returns a string representation of this `Duration`\n   *\n   * This is is never the right function to use when you want to use the `Duration`\n   * object in a template. Use `toSeconds()`, `toMinutes()`, `toDays()`, etc. instead.\n   */\n  public toString(): string {\n    return `Duration.${this.unit.label}(${this.amount})`;\n  }\n\n  /**\n   * Return the duration in a set of whole numbered time components, ordered from largest to smallest\n   *\n   * Only components != 0 will be returned.\n   *\n   * Can combine millis and seconds together for the benefit of toIsoString,\n   * makes the logic in there simpler.\n   */\n  private components(combineMillisWithSeconds: boolean): Array<[number, TimeUnit]> {\n    const ret = new Array<[number, TimeUnit]>();\n    let millis = convert(this.amount, this.unit, TimeUnit.Milliseconds, { integral: false });\n\n    for (const unit of [TimeUnit.Days, TimeUnit.Hours, TimeUnit.Minutes, TimeUnit.Seconds]) {\n      const count = convert(millis, TimeUnit.Milliseconds, unit, { integral: false });\n      // Round down to a whole number UNLESS we're combining millis and seconds and we got to the seconds\n      const wholeCount = unit === TimeUnit.Seconds && combineMillisWithSeconds ? count : Math.floor(count);\n      if (wholeCount > 0) {\n        ret.push([wholeCount, unit]);\n        millis -= wholeCount * unit.inMillis;\n      }\n    }\n\n    // Remainder in millis\n    if (millis > 0) {\n      ret.push([millis, TimeUnit.Milliseconds]);\n    }\n    return ret;\n  }\n\n  /**\n   * Checks if duration is a token or a resolvable object\n   */\n  public isUnresolved() {\n    return Token.isUnresolved(this.amount);\n  }\n\n  /**\n   * Returns unit of the duration\n   */\n  public unitLabel() {\n    return this.unit.label;\n  }\n\n  /**\n   * Returns stringified number of duration\n   */\n  public formatTokenToNumber(): string {\n    const number = Tokenization.stringifyNumber(this.amount);\n    return `${number} ${this.unit.label}`;\n  }\n}\n\n/**\n * Options for how to convert time to a different unit.\n */\nexport interface TimeConversionOptions {\n  /**\n   * If `true`, conversions into a larger time unit (e.g. `Seconds` to `Minutes`) will fail if the result is not an\n   * integer.\n   *\n   * @default true\n   */\n  readonly integral?: boolean;\n}\n\nclass TimeUnit {\n  public static readonly Milliseconds = new TimeUnit('millis', '', 1);\n  public static readonly Seconds = new TimeUnit('seconds', 'S', 1_000);\n  public static readonly Minutes = new TimeUnit('minutes', 'M', 60_000);\n  public static readonly Hours = new TimeUnit('hours', 'H', 3_600_000);\n  public static readonly Days = new TimeUnit('days', 'D', 86_400_000);\n\n  private constructor(public readonly label: string, public readonly isoLabel: string, public readonly inMillis: number) {\n    // MAX_SAFE_INTEGER is 2^53, so by representing our duration in millis (the lowest\n    // common unit) the highest duration we can represent is\n    // 2^53 / 86*10^6 ~= 104 * 10^6 days (about 100 million days).\n  }\n\n  public toString() {\n    return this.label;\n  }\n}\n\nfunction convert(amount: number, fromUnit: TimeUnit, toUnit: TimeUnit, { integral = true }: TimeConversionOptions) {\n  if (fromUnit.inMillis === toUnit.inMillis) { return amount; }\n\n  if (Token.isUnresolved(amount)) {\n    throw new Error(`Duration must be specified as 'Duration.${toUnit}()' here since its value comes from a token and cannot be converted (got Duration.${fromUnit})`);\n  }\n  const value = (amount * fromUnit.inMillis) / toUnit.inMillis;\n  if (!Number.isInteger(value) && integral) {\n    throw new Error(`'${amount} ${fromUnit}' cannot be converted into a whole number of ${toUnit}.`);\n  }\n  return value;\n}\n\n/**\n * Return the time unit with highest granularity\n */\nfunction finestUnit(a: TimeUnit, b: TimeUnit) {\n  return a.inMillis < b.inMillis ? a : b;\n}\n"]}