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feat(colord): add toBase10 #109

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feat(colord): add toBase10 #109

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8ace6c6
feat(colord): add `toBase10`
kyranet Aug 8, 2023
72b419a
tests: add output test for `colord.base10()`
kyranet Aug 8, 2023
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13 changes: 12 additions & 1 deletion src/colord.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,11 +51,22 @@ export class Colord {

/**
* Same as calling `brightness() >= 0.5`.
* */
*/
public isLight(): boolean {
return getBrightness(this.rgba) >= 0.5;
}

/**
* Returns the base 10 representation of a color.
* When the alpha channel value of the color is less than 1,
* it outputs RGBA (32bits) instead of RGB (24bits).
*/
public toBase10(): number {
return this.rgba.a < 1
? (this.rgba.r << 24) + (this.rgba.g << 16) + (this.rgba.b << 8) + round(this.rgba.a * 255)
: (this.rgba.r << 16) + (this.rgba.g << 8) + this.rgba.b;
}

/**
* Returns the hexadecimal representation of a color.
* When the alpha channel value of the color is less than 1,
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2 changes: 2 additions & 0 deletions tests/colord.test.ts
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Expand Up @@ -23,8 +23,10 @@ it("Converts between HEX, RGB, HSL and HSV color models properly", () => {
});

it("Parses and converts a color", () => {
const base10 = parseInt((lime.hex as string).slice(1), 16);
for (const format in lime) {
const instance = colord(lime[format] as AnyColor);
expect(instance.toBase10()).toBe(base10);
expect(instance.toHex()).toBe(lime.hex);
expect(instance.toRgb()).toMatchObject(lime.rgba);
expect(instance.toRgbString()).toBe(lime.rgbString);
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