feat: upgrade TinyColor to 3.3.1, new method "onBackground"

Author: mikaello

__tests__/Tinycolor_tests.re

@@ -178,6 +178,44 @@ describe("set and get alpha (also tests clone())", () => {
   });
 });
 
+describe("onBackground()", () => {
+  let blue = TinyColor.makeFromString("blue");
+  let red = TinyColor.makeFromString("red");
+  test("get back same color when no transparency", () => {
+    switch (blue, red) {
+    | (Some(blue), Some(red)) =>
+      expect(TinyColor.onBackground(blue, red) |> TinyColor.toHexString)
+      == "#0000ff"
+    | _ => expect(true) == false
+    }
+  });
+
+  test("get back background color when full transparency", () => {
+    switch (blue, red) {
+    | (Some(blue), Some(red)) =>
+      let blueTransparent = TinyColor.setAlpha(0.0, blue);
+      expect(
+        TinyColor.onBackground(blueTransparent, red) |> TinyColor.toHexString,
+      )
+      == "#ff0000";
+    | _ => expect(true) == false
+    }
+  });
+
+  test("get back mixed color when partly transparent", () => {
+    switch (blue, red) {
+    | (Some(blue), Some(red)) =>
+      let bluePartlyTransparent = TinyColor.setAlpha(0.5, blue);
+      expect(
+        TinyColor.onBackground(bluePartlyTransparent, red)
+        |> TinyColor.toHexString,
+      )
+      == "#800080";
+    | _ => expect(true) == false
+    }
+  });
+});
+
 describe("getBrightness()", () => {
   test("getting brightness for light color", () => {
     let color = TinyColor.makeFromString("white");

package.json

@@ -22,6 +22,6 @@
     "bs-platform": "^8.4.2"
   },
   "dependencies": {
-    "@ctrl/tinycolor": "^3.1.3"
+    "@ctrl/tinycolor": "^3.3.1"
   }
 }

src/TinyColor.re

@@ -243,6 +243,8 @@ let setAlpha = (alphaValue: float, color: t): t => {
   setAlpha(colorClone, alphaValue);
 };
 
+[@bs.send] external onBackground: (t, t) => t = "onBackground";
+
 /* STRING REPRESENTATIONS */
 
 [@bs.send] external toHsv: t => Js.t('hsv) = "toHsv";

yarn.lock

@@ -278,10 +278,10 @@
     exec-sh "^0.3.2"
     minimist "^1.2.0"
 
-"@ctrl/tinycolor@^3.1.3":
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/@ctrl/tinycolor/-/tinycolor-3.1.3.tgz#3406f90fd04a394a83fe874b763b7d89edffd4c1"
-  integrity sha512-dHamDINLG/gF4Q6m3Ndnn4nGfLUCmvhY6Oweudqr2hMAMTIB2NvFrNW5HyjtdbqjNz9Z/unvA+/GI9QqBRgX0g==
+"@ctrl/tinycolor@^3.3.1":
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/@ctrl/tinycolor/-/tinycolor-3.3.1.tgz#fa0efcf813daa43f8a6aef3ddaa80f7e66f1278e"
+  integrity sha512-jUJrjU62MUgHDSu5JfONfgRM2V7GfN5KknsygfIbxwRZXGeayIzxk4O9GiYgEAr9DG5HJThTF5+a5x3wtrOKzQ==
 
 "@glennsl/bs-jest@^0.6.0":
   version "0.6.0"