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(web-components) update neutral fill card #18432

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Jun 3, 2021
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
{
"type": "minor",
"comment": "Updated the neutral fill card color recipe to always be lighter or equal to the container, instead of flipping to go darker over white.",
"packageName": "@fluentui/web-components",
"email": "[email protected]",
"dependentChangeType": "patch"
}
6 changes: 3 additions & 3 deletions packages/web-components/src/color/neutral-fill-card.spec.ts
Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,10 @@ import { neutralFillCard } from "./neutral-fill-card";
describe("neutralFillCard", (): void => {
it("should operate on design system defaults", (): void => {
expect(neutralFillCard({} as DesignSystem)).to.equal(
DesignSystemDefaults.neutralPalette[DesignSystemDefaults.neutralFillCardDelta]
DesignSystemDefaults.neutralPalette[0]
);
});
it("should get darker when the index of the backgroundColor is lower than the offset index", (): void => {
it("should stay white when the index of the backgroundColor is lower than the offset index", (): void => {
for (let i: number = 0; i < DesignSystemDefaults.neutralFillCardDelta; i++) {
expect(
DesignSystemDefaults.neutralPalette.indexOf(
Expand All @@ -18,7 +18,7 @@ describe("neutralFillCard", (): void => {
})
)
)
).to.equal(DesignSystemDefaults.neutralFillCardDelta + i);
).to.equal(0);
}
});
it("should return the color at three steps lower than the background color", (): void => {
Expand Down
2 changes: 1 addition & 1 deletion packages/web-components/src/color/neutral-fill-card.ts
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import { findClosestSwatchIndex, getSwatch } from './palette';
const neutralCardFillAlgorithm: SwatchResolver = (designSystem: DesignSystem): Swatch => {
const offset: number = neutralFillCardDelta(designSystem);
const index: number = findClosestSwatchIndex(neutralPalette, backgroundColor(designSystem))(designSystem);
return getSwatch(index - (index < offset ? offset * -1 : offset), neutralPalette(designSystem));
return getSwatch(index - offset, neutralPalette(designSystem));
};

/**
Expand Down