From c5a5384e846f242e901e859fe600d695d8990a9a Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Sat, 14 Oct 2023 15:20:49 +0800
Subject: legacy browser support via plugins from postcss

---
 node_modules/css-unit-converter/index.js | 127 +++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 node_modules/css-unit-converter/index.js

(limited to 'node_modules/css-unit-converter/index.js')

diff --git a/node_modules/css-unit-converter/index.js b/node_modules/css-unit-converter/index.js
new file mode 100644
index 00000000..2bdf1a13
--- /dev/null
+++ b/node_modules/css-unit-converter/index.js
@@ -0,0 +1,127 @@
+var conversions = {
+    // length
+    'px': {
+        'px': 1,
+        'cm': 96.0/2.54,
+        'mm': 96.0/25.4,
+        'in': 96,
+        'pt': 96.0/72.0,
+        'pc': 16
+    },
+    'cm': {
+        'px': 2.54/96.0,
+        'cm': 1,
+        'mm': 0.1,
+        'in': 2.54,
+        'pt': 2.54/72.0,
+        'pc': 2.54/6.0
+    },
+    'mm': {
+        'px': 25.4/96.0,
+        'cm': 10,
+        'mm': 1,
+        'in': 25.4,
+        'pt': 25.4/72.0,
+        'pc': 25.4/6.0
+    },
+    'in': {
+        'px': 1.0/96.0,
+        'cm': 1.0/2.54,
+        'mm': 1.0/25.4,
+        'in': 1,
+        'pt': 1.0/72.0,
+        'pc': 1.0/6.0
+    },
+    'pt': {
+        'px': 0.75,
+        'cm': 72.0/2.54,
+        'mm': 72.0/25.4,
+        'in': 72,
+        'pt': 1,
+        'pc': 12
+    },
+    'pc': {
+        'px': 6.0/96.0,
+        'cm': 6.0/2.54,
+        'mm': 6.0/25.4,
+        'in': 6,
+        'pt': 6.0/72.0,
+        'pc': 1
+    },
+    // angle
+    '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': 1/400,
+        'rad': 0.5/Math.PI,
+        'turn': 1
+    },
+    // time
+    's': {
+        's': 1,
+        'ms': 1/1000
+    },
+    'ms': {
+        's': 1000,
+        'ms': 1
+    },
+    // frequency
+    'Hz': {
+        'Hz': 1,
+        'kHz': 1000
+    },
+    'kHz': {
+        'Hz': 1/1000,
+        'kHz': 1
+    },
+    // resolution
+    'dpi': {
+        'dpi': 1,
+        'dpcm': 1.0/2.54,
+        'dppx': 1/96
+    },
+    'dpcm': {
+        'dpi': 2.54,
+        'dpcm': 1,
+        'dppx': 2.54/96.0
+    },
+    'dppx': {
+        'dpi': 96,
+        'dpcm': 96.0/2.54,
+        'dppx': 1
+    }
+};
+
+module.exports = function (value, sourceUnit, targetUnit, precision) {
+    if (!conversions.hasOwnProperty(targetUnit))
+        throw new Error("Cannot convert to " + targetUnit);
+
+    if (!conversions[targetUnit].hasOwnProperty(sourceUnit))
+        throw new Error("Cannot convert from " + sourceUnit + " to " + targetUnit);
+    
+    var converted = conversions[targetUnit][sourceUnit] * value;
+    
+    if (precision !== false) {
+        precision = Math.pow(10, parseInt(precision) || 5);
+        return Math.round(converted * precision) / precision;
+    }
+    
+    return converted;
+};
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