Extracted library file

umbertoloria · Feb 26, 2023 · d1dc80e · d1dc80e
1 parent 104992e
commit d1dc80e
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Showing 2 changed files with 89 additions and 91 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -1,95 +1,5 @@
 import jimp from 'jimp';
-
-type RGB = {
-    r: number;
-    g: number;
-    b: number;
-}
-
-type Filter = (c: RGB) => RGB
-const safeColor = (color: number) => filterScalar(color, 0, 255);
-
-const wrap = (filter: Filter, c: RGB) => copy(filter(copy(c)));
-const copy = (c: RGB): RGB => ({
-    r: c.r,
-    g: c.g,
-    b: c.b,
-});
-const filterScalar = (scalar: number, min: number, max: number) => (
-    scalar < min
-        ? min
-        : (
-            scalar > max
-                ? max
-                : scalar
-        )
-);
-const getInterval = (c: RGB, min: number, max: number): RGB => ({
-    r: filterScalar(c.r, min, max),
-    g: filterScalar(c.g, min, max),
-    b: filterScalar(c.b, min, max),
-});
-const zero = (): RGB => ({
-    r: 0,
-    g: 0,
-    b: 0,
-});
-const one = () => scalar(1);
-const add = (a: RGB, b: RGB): RGB => ({
-    r: a.r + b.r,
-    g: a.g + b.g,
-    b: a.b + b.b,
-});
-const negate = (c: RGB): RGB => ({
-    r: -c.r,
-    g: -c.g,
-    b: -c.b,
-});
-const sub = (a: RGB, b: RGB) => add(a, negate(b));
-const mult = (a: RGB, b: RGB): RGB => ({
-    r: a.r * b.r,
-    g: a.g * b.g,
-    b: a.b * b.b,
-});
-const scalar = (scalar: number): RGB => ({
-    r: scalar,
-    g: scalar,
-    b: scalar,
-});
-const onlyRed = (r: number): RGB => ({
-    r,
-    g: 0,
-    b: 0,
-});
-const onlyGreen = (g: number): RGB => ({
-    r: 0,
-    g,
-    b: 0,
-});
-const onlyBlue = (b: number): RGB => ({
-    r: 0,
-    g: 0,
-    b,
-});
-const getR = (c: RGB) => c.r;
-const getG = (c: RGB) => c.g;
-const getB = (c: RGB) => c.b;
-
-const addList = (...cList: RGB[]): RGB => {
-    let r = 0;
-    let g = 0;
-    let b = 0;
-    for (const c of cList) {
-        r += c.r;
-        g += c.g;
-        b += c.b;
-    }
-    return {
-        r,
-        g,
-        b,
-    };
-};
+import {add, addList, getG, getInterval, mult, onlyBlue, onlyGreen, onlyRed, RGB, safeColor, scalar, sub} from "./lib";
 
 function manipulateColor(rgba: RGB) {
     let color: RGB = {

diff --git a/src/lib.ts b/src/lib.ts
@@ -0,0 +1,88 @@
+type Filter = (c: RGB) => RGB
+export type RGB = {
+    r: number;
+    g: number;
+    b: number;
+}
+
+export const safeColor = (color: number) => filterScalar(color, 0, 255);
+export const wrap = (filter: Filter, c: RGB) => copy(filter(copy(c)));
+export const copy = (c: RGB): RGB => ({
+    r: c.r,
+    g: c.g,
+    b: c.b,
+});
+export const filterScalar = (scalar: number, min: number, max: number) => (
+    scalar < min
+        ? min
+        : (
+            scalar > max
+                ? max
+                : scalar
+        )
+);
+export const getInterval = (c: RGB, min: number, max: number): RGB => ({
+    r: filterScalar(c.r, min, max),
+    g: filterScalar(c.g, min, max),
+    b: filterScalar(c.b, min, max),
+});
+export const zero = (): RGB => ({
+    r: 0,
+    g: 0,
+    b: 0,
+});
+export const one = () => scalar(1);
+export const add = (a: RGB, b: RGB): RGB => ({
+    r: a.r + b.r,
+    g: a.g + b.g,
+    b: a.b + b.b,
+});
+export const negate = (c: RGB): RGB => ({
+    r: -c.r,
+    g: -c.g,
+    b: -c.b,
+});
+export const sub = (a: RGB, b: RGB) => add(a, negate(b));
+export const mult = (a: RGB, b: RGB): RGB => ({
+    r: a.r * b.r,
+    g: a.g * b.g,
+    b: a.b * b.b,
+});
+export const scalar = (scalar: number): RGB => ({
+    r: scalar,
+    g: scalar,
+    b: scalar,
+});
+export const onlyRed = (r: number): RGB => ({
+    r,
+    g: 0,
+    b: 0,
+});
+export const onlyGreen = (g: number): RGB => ({
+    r: 0,
+    g,
+    b: 0,
+});
+export const onlyBlue = (b: number): RGB => ({
+    r: 0,
+    g: 0,
+    b,
+});
+export const getR = (c: RGB) => c.r;
+export const getG = (c: RGB) => c.g;
+export const getB = (c: RGB) => c.b;
+export const addList = (...cList: RGB[]): RGB => {
+    let r = 0;
+    let g = 0;
+    let b = 0;
+    for (const c of cList) {
+        r += c.r;
+        g += c.g;
+        b += c.b;
+    }
+    return {
+        r,
+        g,
+        b,
+    };
+};