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-rw-r--r--includes/external/school/node_modules/cssstyle/lib/utils/colorSpace.js21
-rw-r--r--includes/external/school/node_modules/cssstyle/lib/utils/getBasicPropertyDescriptor.js14
2 files changed, 35 insertions, 0 deletions
diff --git a/includes/external/school/node_modules/cssstyle/lib/utils/colorSpace.js b/includes/external/school/node_modules/cssstyle/lib/utils/colorSpace.js
new file mode 100644
index 0000000..92ca7bd
--- /dev/null
+++ b/includes/external/school/node_modules/cssstyle/lib/utils/colorSpace.js
@@ -0,0 +1,21 @@
+'use strict';
+
+const hueToRgb = (t1, t2, hue) => {
+ if (hue < 0) hue += 6;
+ if (hue >= 6) hue -= 6;
+
+ if (hue < 1) return (t2 - t1) * hue + t1;
+ else if (hue < 3) return t2;
+ else if (hue < 4) return (t2 - t1) * (4 - hue) + t1;
+ else return t1;
+};
+
+// https://www.w3.org/TR/css-color-4/#hsl-to-rgb
+exports.hslToRgb = (hue, sat, light) => {
+ const t2 = light <= 0.5 ? light * (sat + 1) : light + sat - light * sat;
+ const t1 = light * 2 - t2;
+ const r = hueToRgb(t1, t2, hue + 2);
+ const g = hueToRgb(t1, t2, hue);
+ const b = hueToRgb(t1, t2, hue - 2);
+ return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
+};
diff --git a/includes/external/school/node_modules/cssstyle/lib/utils/getBasicPropertyDescriptor.js b/includes/external/school/node_modules/cssstyle/lib/utils/getBasicPropertyDescriptor.js
new file mode 100644
index 0000000..ded2cc4
--- /dev/null
+++ b/includes/external/school/node_modules/cssstyle/lib/utils/getBasicPropertyDescriptor.js
@@ -0,0 +1,14 @@
+'use strict';
+
+module.exports = function getBasicPropertyDescriptor(name) {
+ return {
+ set: function(v) {
+ this._setProperty(name, v);
+ },
+ get: function() {
+ return this.getPropertyValue(name);
+ },
+ enumerable: true,
+ configurable: true,
+ };
+};