diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-10-14 16:27:06 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-10-14 16:27:06 +0800 |
| commit | 2db6defc0b555d93d2363ba6c6dfa19df7dc7c11 (patch) | |
| tree | a92c596973b150bbd1723b55facf38e0ab6258d8 /node_modules/postcss-calc/src/lib/convertUnit.js | |
| parent | 6dce4e2e8ed35a26af389b7ab388113381350444 (diff) | |
update
Diffstat (limited to 'node_modules/postcss-calc/src/lib/convertUnit.js')
| -rw-r--r-- | node_modules/postcss-calc/src/lib/convertUnit.js | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/node_modules/postcss-calc/src/lib/convertUnit.js b/node_modules/postcss-calc/src/lib/convertUnit.js deleted file mode 100644 index 5f7bc268..00000000 --- a/node_modules/postcss-calc/src/lib/convertUnit.js +++ /dev/null @@ -1,160 +0,0 @@ -'use strict'; -/** - * @type {{[key:string]: {[key:string]: number}}} - */ -const conversions = { - // Absolute length units - px: { - px: 1, - cm: 96 / 2.54, - mm: 96 / 25.4, - q: 96 / 101.6, - in: 96, - pt: 96 / 72, - pc: 16, - }, - cm: { - px: 2.54 / 96, - cm: 1, - mm: 0.1, - q: 0.025, - in: 2.54, - pt: 2.54 / 72, - pc: 2.54 / 6, - }, - mm: { - px: 25.4 / 96, - cm: 10, - mm: 1, - q: 0.25, - in: 25.4, - pt: 25.4 / 72, - pc: 25.4 / 6, - }, - q: { - px: 101.6 / 96, - cm: 40, - mm: 4, - q: 1, - in: 101.6, - pt: 101.6 / 72, - pc: 101.6 / 6, - }, - in: { - px: 1 / 96, - cm: 1 / 2.54, - mm: 1 / 25.4, - q: 1 / 101.6, - in: 1, - pt: 1 / 72, - pc: 1 / 6, - }, - pt: { - px: 0.75, - cm: 72 / 2.54, - mm: 72 / 25.4, - q: 72 / 101.6, - in: 72, - pt: 1, - pc: 12, - }, - pc: { - px: 0.0625, - cm: 6 / 2.54, - mm: 6 / 25.4, - q: 6 / 101.6, - in: 6, - pt: 6 / 72, - pc: 1, - }, - // Angle units - deg: { - deg: 1, - grad: 0.9, - rad: 180 / Math.PI, - turn: 360, - }, - grad: { - deg: 400 / 360, - grad: 1, - rad: 200 / Math.PI, - turn: 400, - }, - rad: { - deg: Math.PI / 180, - grad: Math.PI / 200, - rad: 1, - turn: Math.PI * 2, - }, - turn: { - deg: 1 / 360, - grad: 0.0025, - rad: 0.5 / Math.PI, - turn: 1, - }, - // Duration units - s: { - s: 1, - ms: 0.001, - }, - ms: { - s: 1000, - ms: 1, - }, - // Frequency units - hz: { - hz: 1, - khz: 1000, - }, - khz: { - hz: 0.001, - khz: 1, - }, - // Resolution units - dpi: { - dpi: 1, - dpcm: 1 / 2.54, - dppx: 1 / 96, - }, - dpcm: { - dpi: 2.54, - dpcm: 1, - dppx: 2.54 / 96, - }, - dppx: { - dpi: 96, - dpcm: 96 / 2.54, - dppx: 1, - }, -}; -/** - * @param {number} value - * @param {string} sourceUnit - * @param {string} targetUnit - * @param {number|false} precision - */ -function convertUnit(value, sourceUnit, targetUnit, precision) { - const sourceUnitNormalized = sourceUnit.toLowerCase(); - const targetUnitNormalized = targetUnit.toLowerCase(); - - if (!conversions[targetUnitNormalized]) { - throw new Error('Cannot convert to ' + targetUnit); - } - - if (!conversions[targetUnitNormalized][sourceUnitNormalized]) { - throw new Error('Cannot convert from ' + sourceUnit + ' to ' + targetUnit); - } - - const converted = - conversions[targetUnitNormalized][sourceUnitNormalized] * value; - - if (precision !== false) { - precision = Math.pow(10, Math.ceil(precision) || 5); - - return Math.round(converted * precision) / precision; - } - - return converted; -} - -module.exports = convertUnit; |
