react-native-reanimated
Version:
More powerful alternative to Animated library for React Native.
40 lines (39 loc) • 1.95 kB
JavaScript
;
import { VALID_PREDEFINED_TIMING_FUNCTIONS } from "../../../constants/index.js";
import { isPredefinedTimingFunction, normalizeTimeUnit } 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()}".`
};
export function normalizeDelay(delay = 0) {
const delayMs = normalizeTimeUnit(delay);
if (delayMs === null) {
throw new Error(`[Reanimated] ${ERROR_MESSAGES.invalidDelay(delay)}`);
}
return delayMs;
}
export function normalizeDuration(duration = 0) {
const durationMs = normalizeTimeUnit(duration);
if (durationMs === null) {
throw new Error(`[Reanimated] ${ERROR_MESSAGES.invalidDuration(duration)}`);
} else if (durationMs < 0) {
throw new Error(`[Reanimated] ${ERROR_MESSAGES.negativeDuration(duration)}`);
}
return durationMs;
}
export function normalizeTimingFunction(timingFunction = 'ease') {
if (typeof timingFunction === 'string') {
if (!isPredefinedTimingFunction(timingFunction)) {
throw new Error(`[Reanimated] ${ERROR_MESSAGES.invalidPredefinedTimingFunction(timingFunction)}`);
}
return timingFunction;
}
if (!timingFunction.normalize || typeof timingFunction.normalize !== 'function') {
throw new Error(`[Reanimated] ${ERROR_MESSAGES.invalidParametrizedTimingFunction(timingFunction)}`);
}
return timingFunction.normalize();
}
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