react-native-reanimated
Version:
More powerful alternative to Animated library for React Native.
51 lines (50 loc) • 2.29 kB
JavaScript
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import { ReanimatedError } from "../../../../../common/index.js";
import { MILLISECONDS_REGEX, SECONDS_REGEX, VALID_PREDEFINED_TIMING_FUNCTIONS } from "../../../../constants/index.js";
import { isPredefinedTimingFunction } from "../../../../utils/index.js";
export const ERROR_MESSAGES = {
invalidDelay: timeUnit => `Invalid delay "${timeUnit}". Expected a number, "ms", or "s".`,
invalidDuration: duration => `Invalid duration "${duration}". Expected a number, "ms", or "s".`,
negativeDuration: duration => `Duration cannot be negative, received "${duration}".`,
invalidPredefinedTimingFunction: timingFunction => `Invalid predefined timing function "${timingFunction}". Supported values are: ${VALID_PREDEFINED_TIMING_FUNCTIONS.join(', ')}.`,
invalidParametrizedTimingFunction: timingFunction => `Invalid parametrized timing function "${timingFunction?.toString()}".`
};
function normalizeTimeUnit(timeUnit) {
if (typeof timeUnit === 'number') {
return timeUnit;
} else if (MILLISECONDS_REGEX.test(timeUnit)) {
return parseInt(timeUnit, 10);
} else if (SECONDS_REGEX.test(timeUnit)) {
return parseFloat(timeUnit) * 1000;
}
return null;
}
export function normalizeDelay(delay = 0) {
const delayMs = normalizeTimeUnit(delay);
if (delayMs === null) {
throw new ReanimatedError(ERROR_MESSAGES.invalidDelay(delay));
}
return delayMs;
}
export function normalizeDuration(duration = 0) {
const durationMs = normalizeTimeUnit(duration);
if (durationMs === null) {
throw new ReanimatedError(ERROR_MESSAGES.invalidDuration(duration));
} else if (durationMs < 0) {
throw new ReanimatedError(ERROR_MESSAGES.negativeDuration(duration));
}
return durationMs;
}
export function normalizeTimingFunction(timingFunction = 'ease') {
if (typeof timingFunction === 'string') {
if (!isPredefinedTimingFunction(timingFunction)) {
throw new ReanimatedError(ERROR_MESSAGES.invalidPredefinedTimingFunction(timingFunction));
}
return timingFunction;
}
if (!timingFunction.normalize || typeof timingFunction.normalize !== 'function') {
throw new ReanimatedError(ERROR_MESSAGES.invalidParametrizedTimingFunction(timingFunction));
}
return timingFunction.normalize();
}
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