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Mini Shell
Mini Shell
import { invariant } from '../../errors.mjs';
import { noop } from '../../noop.mjs';
import { anticipate } from '../anticipate.mjs';
import { backIn, backInOut, backOut } from '../back.mjs';
import { circIn, circInOut, circOut } from '../circ.mjs';
import { cubicBezier } from '../cubic-bezier.mjs';
import { easeIn, easeInOut, easeOut } from '../ease.mjs';
import { isBezierDefinition } from './is-bezier-definition.mjs';
const easingLookup = {
linear: noop,
easeIn,
easeInOut,
easeOut,
circIn,
circInOut,
circOut,
backIn,
backInOut,
backOut,
anticipate,
};
const isValidEasing = (easing) => {
return typeof easing === "string";
};
const easingDefinitionToFunction = (definition) => {
if (isBezierDefinition(definition)) {
// If cubic bezier definition, create bezier curve
invariant(definition.length === 4, `Cubic bezier arrays must contain four numerical values.`);
const [x1, y1, x2, y2] = definition;
return cubicBezier(x1, y1, x2, y2);
}
else if (isValidEasing(definition)) {
// Else lookup from table
invariant(easingLookup[definition] !== undefined, `Invalid easing type '${definition}'`);
return easingLookup[definition];
}
return definition;
};
export { easingDefinitionToFunction };
Zerion Mini Shell 1.0