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patricklai
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| export enum K8SUNIT { | ||
| m = 'm', | ||
| /** 核 */ | ||
| unit = 'unit', | ||
| K = 'k', | ||
| M = 'M', | ||
| G = 'G', | ||
| T = 'T', | ||
| P = 'P', | ||
| E = 'E', | ||
| Ki = 'Ki', | ||
| Mi = 'Mi', | ||
| Gi = 'Gi', | ||
| Ti = 'Ti', | ||
| Pi = 'Pi', | ||
| Ei = 'Ei', | ||
| } | ||
|
|
||
| const UNITS1024 = [K8SUNIT.m, K8SUNIT.unit, K8SUNIT.Ki, K8SUNIT.Mi, K8SUNIT.Gi, K8SUNIT.Ti, K8SUNIT.Pi, K8SUNIT.Ei]; | ||
| const UNITS1000 = [K8SUNIT.m, K8SUNIT.unit, K8SUNIT.K, K8SUNIT.M, K8SUNIT.G, K8SUNIT.T, K8SUNIT.P, K8SUNIT.E]; | ||
|
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| const UNITS1024_MAP_TO_UNITS1000: Partial<Record<K8SUNIT, K8SUNIT>> = { | ||
| [K8SUNIT.Ki]: K8SUNIT.K, | ||
| [K8SUNIT.Mi]: K8SUNIT.M, | ||
| [K8SUNIT.Gi]: K8SUNIT.G, | ||
| [K8SUNIT.Ti]: K8SUNIT.T, | ||
| [K8SUNIT.Pi]: K8SUNIT.P, | ||
| [K8SUNIT.Ei]: K8SUNIT.E, | ||
| }; | ||
|
|
||
| const UNITS1000_MAP_TO_UNITS1024: Partial<Record<K8SUNIT, K8SUNIT>> = { | ||
| [K8SUNIT.K]: K8SUNIT.Ki, | ||
| [K8SUNIT.M]: K8SUNIT.Mi, | ||
| [K8SUNIT.G]: K8SUNIT.Gi, | ||
| [K8SUNIT.T]: K8SUNIT.Ti, | ||
| [K8SUNIT.P]: K8SUNIT.Pi, | ||
| [K8SUNIT.E]: K8SUNIT.Ei, | ||
| }; | ||
|
|
||
| /** | ||
| * 进行单位换算 | ||
| * 实现k8s数值各单位之间的相互转换 | ||
| * @param {string} value | ||
| * @param {number} step | ||
| * @param {number} toFixed | ||
| */ | ||
| function transformField(_value: string, step: number, toFixed: number, units: K8SUNIT[], targetUnit: K8SUNIT) { | ||
| const reg = /^(\d+(\.\d{1,5})?)([A-Za-z]+)?$/; | ||
| let value; | ||
| let unitBase; | ||
| if (reg.test(_value)) { | ||
| [value, unitBase] = [+RegExp.$1, RegExp.$3]; | ||
| if (unitBase === '') { | ||
| unitBase = K8SUNIT.unit; | ||
| } | ||
| } else { | ||
| return '0'; | ||
| } | ||
|
|
||
| // 由于m到单位1是1000进制 | ||
| const mIndex = units.indexOf(K8SUNIT.m); | ||
| let i = units.indexOf(unitBase as K8SUNIT); | ||
| let targetI = units.indexOf(targetUnit); | ||
| if (step) { | ||
| if (targetI >= i) { | ||
| while (i < targetI) { | ||
| value /= i + 1 <= mIndex ? 1000 : step; | ||
| i += 1; | ||
| } | ||
| } else { | ||
| while (targetI < i) { | ||
| value *= i - 1 <= mIndex ? 1000 : step; | ||
| targetI += 1; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| let svalue; | ||
| if (value > 1) { | ||
| svalue = value.toFixed(toFixed); | ||
| svalue = svalue.replace(/0+$/, ''); | ||
| svalue = svalue.replace(/\.$/, ''); | ||
| } else if (value) { | ||
| // 如果数值很小，保留toFixed位有效数字 | ||
| let tens = 0; | ||
| let v = Math.abs(value); | ||
| while (v < 1) { | ||
| v *= 10; | ||
| tens += 1; | ||
| } | ||
| svalue = value.toFixed(tens + toFixed - 1); | ||
| svalue = svalue.replace(/0+$/, ''); | ||
| svalue = svalue.replace(/\.$/, ''); | ||
| } else { | ||
| svalue = value; | ||
| } | ||
| return String(svalue); | ||
| } | ||
|
|
||
| function valueTrans1000(value: string, targetUnit: K8SUNIT) { | ||
| return transformField(value, 1000, 3, UNITS1000, targetUnit); | ||
| } | ||
|
|
||
| function valueTrans1024(value: string, targetUnit: K8SUNIT) { | ||
| return transformField(value, 1024, 3, UNITS1024, targetUnit); | ||
| } | ||
|
|
||
| export function transformK8sUnit(data: string, targetUnit: K8SUNIT) { | ||
| let finalData = 0; | ||
| const requestValue: string = data ?? ''; | ||
| const reg = /^(\d+(\.\d{1,2})?)([A-Za-z]+)?$/; | ||
| let unitBase; | ||
|
|
||
| if (reg.test(requestValue)) { | ||
| unitBase = RegExp.$3; | ||
| } | ||
|
|
||
| const isBase1000 = unitBase ? UNITS1000.includes(unitBase as K8SUNIT) : false; | ||
| const isTarget1000 = UNITS1000.includes(targetUnit); | ||
|
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| if (requestValue) { | ||
| if (isBase1000 && isTarget1000) { | ||
| // 1G 轉 M | ||
| finalData = +valueTrans1000(requestValue, targetUnit); | ||
| } else if (!isBase1000 && !isTarget1000) { | ||
| // 1Gi 轉 Mi | ||
| finalData = +valueTrans1024(requestValue, targetUnit); | ||
| } else if (isBase1000 && !isTarget1000) { | ||
| // 1G 轉 Mi | ||
| const newTargetUnit = UNITS1024_MAP_TO_UNITS1000[targetUnit]; | ||
| if (newTargetUnit) { | ||
| finalData = +(+valueTrans1000(requestValue, newTargetUnit) / 1.024).toFixed(3); | ||
| } else { | ||
| // targetUnit為m 或 unit | ||
| finalData = +valueTrans1000(requestValue, targetUnit); | ||
| } | ||
| } else if (!isBase1000 && isTarget1000) { | ||
| // 1Gi 轉 M | ||
| const newTargetUnit = UNITS1000_MAP_TO_UNITS1024[targetUnit]; // 先將Gi轉成Mi | ||
| if (newTargetUnit) { | ||
| finalData = +(+valueTrans1024(requestValue, newTargetUnit) * 1.024).toFixed(3); | ||
| } else { | ||
| finalData = +valueTrans1024(requestValue, targetUnit); | ||
| } | ||
| } | ||
| } else { | ||
| finalData = 0; | ||
| } | ||
|
|
||
| return finalData; | ||
| } |