feat(easings): separate timingFunctions into separate easing functions (

#513) re #402
styled-components · Jun 12, 2020 · c9fc652 · c9fc652
1 parent 6c35ac2
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diff --git a/src/easings/easeIn.js b/src/easings/easeIn.js
@@ -0,0 +1,37 @@
+// @flow
+import type { TimingFunction } from '../types/timingFunction'
+
+const functionsMap = {
+  back: 'cubic-bezier(0.600, -0.280, 0.735, 0.045)',
+  circ: 'cubic-bezier(0.600,  0.040, 0.980, 0.335)',
+  cubic: 'cubic-bezier(0.550,  0.055, 0.675, 0.190)',
+  expo: 'cubic-bezier(0.950,  0.050, 0.795, 0.035)',
+  quad: 'cubic-bezier(0.550,  0.085, 0.680, 0.530)',
+  quart: 'cubic-bezier(0.895,  0.030, 0.685, 0.220)',
+  quint: 'cubic-bezier(0.755,  0.050, 0.855, 0.060)',
+  sine: 'cubic-bezier(0.470,  0.000, 0.745, 0.715)',
+}
+
+/**
+ * String to represent common easing functions as demonstrated here: (github.com/jaukia/easie).
+ *
+ * @example
+ * // Styles as object usage
+ * const styles = {
+ *   'transitionTimingFunction': easeIn('quad')
+ * }
+ *
+ * // styled-components usage
+ *  const div = styled.div`
+ *   transitionTimingFunction: ${easeIn('quad')};
+ * `
+ *
+ * // CSS as JS Output
+ *
+ * 'div': {
+ *   'transitionTimingFunction': 'cubic-bezier(0.550,  0.085, 0.680, 0.530)',
+ * }
+ */
+export default function easeIn(functionName: string): TimingFunction {
+  return functionsMap[functionName.toLowerCase().trim()]
+}
diff --git a/src/easings/easeInOut.js b/src/easings/easeInOut.js
@@ -0,0 +1,37 @@
+// @flow
+import type { TimingFunction } from '../types/timingFunction'
+
+const functionsMap = {
+  back: 'cubic-bezier(0.680, -0.550, 0.265, 1.550)',
+  circ: 'cubic-bezier(0.785,  0.135, 0.150, 0.860)',
+  cubic: 'cubic-bezier(0.645,  0.045, 0.355, 1.000)',
+  expo: 'cubic-bezier(1.000,  0.000, 0.000, 1.000)',
+  quad: 'cubic-bezier(0.455,  0.030, 0.515, 0.955)',
+  quart: 'cubic-bezier(0.770,  0.000, 0.175, 1.000)',
+  quint: 'cubic-bezier(0.860,  0.000, 0.070, 1.000)',
+  sine: 'cubic-bezier(0.445,  0.050, 0.550, 0.950)',
+}
+
+/**
+ * String to represent common easing functions as demonstrated here: (github.com/jaukia/easie).
+ *
+ * @example
+ * // Styles as object usage
+ * const styles = {
+ *   'transitionTimingFunction': easeInOut('quad')
+ * }
+ *
+ * // styled-components usage
+ *  const div = styled.div`
+ *   transitionTimingFunction: ${easeInOut('quad')};
+ * `
+ *
+ * // CSS as JS Output
+ *
+ * 'div': {
+ *   'transitionTimingFunction': 'cubic-bezier(0.455,  0.030, 0.515, 0.955)',
+ * }
+ */
+export default function easeInOut(functionName: string): TimingFunction {
+  return functionsMap[functionName.toLowerCase().trim()]
+}
diff --git a/src/easings/easeOut.js b/src/easings/easeOut.js
@@ -0,0 +1,37 @@
+// @flow
+import type { TimingFunction } from '../types/timingFunction'
+
+const functionsMap = {
+  back: 'cubic-bezier(0.175,  0.885, 0.320, 1.275)',
+  cubic: 'cubic-bezier(0.215,  0.610, 0.355, 1.000)',
+  circ: 'cubic-bezier(0.075,  0.820, 0.165, 1.000)',
+  expo: 'cubic-bezier(0.190,  1.000, 0.220, 1.000)',
+  quad: 'cubic-bezier(0.250,  0.460, 0.450, 0.940)',
+  quart: 'cubic-bezier(0.165,  0.840, 0.440, 1.000)',
+  quint: 'cubic-bezier(0.230,  1.000, 0.320, 1.000)',
+  sine: 'cubic-bezier(0.390,  0.575, 0.565, 1.000)',
+}
+
+/**
+ * String to represent common easing functions as demonstrated here: (github.com/jaukia/easie).
+ *
+ * @example
+ * // Styles as object usage
+ * const styles = {
+ *   'transitionTimingFunction': easeOut('quad')
+ * }
+ *
+ * // styled-components usage
+ *  const div = styled.div`
+ *   transitionTimingFunction: ${easeOut('quad')};
+ * `
+ *
+ * // CSS as JS Output
+ *
+ * 'div': {
+ *   'transitionTimingFunction': 'cubic-bezier(0.250,  0.460, 0.450, 0.940)',
+ * }
+ */
+export default function easeOut(functionName: string): TimingFunction {
+  return functionsMap[functionName.toLowerCase().trim()]
+}
diff --git a/src/easings/test/__snapshots__/easeIn.test.js.snap b/src/easings/test/__snapshots__/easeIn.test.js.snap
@@ -0,0 +1,49 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`easeIn should return easeInBack cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.600, -0.280, 0.735, 0.045)",
+}
+`;
+
+exports[`easeIn should return easeInCirc cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.600,  0.040, 0.980, 0.335)",
+}
+`;
+
+exports[`easeIn should return easeInCubic cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.550,  0.055, 0.675, 0.190)",
+}
+`;
+
+exports[`easeIn should return easeInExpo cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.950,  0.050, 0.795, 0.035)",
+}
+`;
+
+exports[`easeIn should return easeInQuad cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.550,  0.085, 0.680, 0.530)",
+}
+`;
+
+exports[`easeIn should return easeInQuart cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.895,  0.030, 0.685, 0.220)",
+}
+`;
+
+exports[`easeIn should return easeInQuint cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.755,  0.050, 0.855, 0.060)",
+}
+`;
+
+exports[`easeIn should return easeInSine cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.470,  0.000, 0.745, 0.715)",
+}
+`;
diff --git a/src/easings/test/__snapshots__/easeInOut.test.js.snap b/src/easings/test/__snapshots__/easeInOut.test.js.snap
@@ -0,0 +1,43 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`easeInOut should return easeInOutBack cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.680, -0.550, 0.265, 1.550)",
+}
+`;
+
+exports[`easeInOut should return easeInOutCirc cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.785,  0.135, 0.150, 0.860)",
+}
+`;
+
+exports[`easeInOut should return easeInOutCubic cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.645,  0.045, 0.355, 1.000)",
+}
+`;
+
+exports[`easeInOut should return easeInOutExpo cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(1.000,  0.000, 0.000, 1.000)",
+}
+`;
+
+exports[`easeInOut should return easeInOutQuad cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.455,  0.030, 0.515, 0.955)",
+}
+`;
+
+exports[`easeInOut should return easeInOutQuart cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.770,  0.000, 0.175, 1.000)",
+}
+`;
+
+exports[`easeInOut should return easeInOutQuint cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.860,  0.000, 0.070, 1.000)",
+}
+`;
diff --git a/src/easings/test/__snapshots__/easeOut.test.js.snap b/src/easings/test/__snapshots__/easeOut.test.js.snap
@@ -0,0 +1,43 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`easeOut should return easeOutBack cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.175,  0.885, 0.320, 1.275)",
+}
+`;
+
+exports[`easeOut should return easeOutCirc cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.075,  0.820, 0.165, 1.000)",
+}
+`;
+
+exports[`easeOut should return easeOutCubic cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.215,  0.610, 0.355, 1.000)",
+}
+`;
+
+exports[`easeOut should return easeOutExpo cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.190,  1.000, 0.220, 1.000)",
+}
+`;
+
+exports[`easeOut should return easeOutQuad cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.250,  0.460, 0.450, 0.940)",
+}
+`;
+
+exports[`easeOut should return easeOutQuart cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.165,  0.840, 0.440, 1.000)",
+}
+`;
+
+exports[`easeOut should return easeOutQuint cubic-bezier 1`] = `
+Object {
+  "transition-timing-function": "cubic-bezier(0.230,  1.000, 0.320, 1.000)",
+}
+`;
diff --git a/src/easings/test/easeIn.test.js b/src/easings/test/easeIn.test.js
@@ -0,0 +1,52 @@
+// @flow
+import easeIn from '../easeIn'
+
+describe('easeIn', () => {
+  it('should return easeInBack cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('back'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInCirc cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('circ'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInCubic cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('cubic'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInExpo cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('expo'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInQuad cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('quad'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInQuart cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('quart'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInQuint cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('quint'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInSine cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeIn('sine'),
+    }).toMatchSnapshot()
+  })
+})
diff --git a/src/easings/test/easeInOut.test.js b/src/easings/test/easeInOut.test.js
@@ -0,0 +1,46 @@
+// @flow
+import easeInOut from '../easeInOut'
+
+describe('easeInOut', () => {
+  it('should return easeInOutBack cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('back'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInOutCirc cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('circ'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInOutCubic cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('cubic'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInOutExpo cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('expo'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInOutQuad cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('quad'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInOutQuart cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('quart'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeInOutQuint cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeInOut('quint'),
+    }).toMatchSnapshot()
+  })
+})
diff --git a/src/easings/test/easeOut.test.js b/src/easings/test/easeOut.test.js
@@ -0,0 +1,46 @@
+// @flow
+import easeOut from '../easeOut'
+
+describe('easeOut', () => {
+  it('should return easeOutBack cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('back'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeOutCirc cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('circ'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeOutCubic cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('cubic'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeOutExpo cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('expo'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeOutQuad cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('quad'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeOutQuart cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('quart'),
+    }).toMatchSnapshot()
+  })
+
+  it('should return easeOutQuint cubic-bezier', () => {
+    expect({
+      'transition-timing-function': easeOut('quint'),
+    }).toMatchSnapshot()
+  })
+})