one
Version:
One is a React framework for web, iOS, and Android apps.
20 lines (18 loc) • 722 B
JavaScript
function assertStepCountListener(listener) {
if (typeof listener !== "function") {
throw new Error("Pedometer.watchStepCount: listener must be a function");
}
}
function assertStepCountRange(start, end) {
if (!(start instanceof Date) || !(end instanceof Date)) {
throw new Error("Pedometer.getStepCount: start and end must be Dates");
}
if (!Number.isFinite(start.getTime()) || !Number.isFinite(end.getTime())) {
throw new Error("Pedometer.getStepCount: start and end must be valid dates");
}
if (start.getTime() > end.getTime()) {
throw new Error("Pedometer.getStepCount: start must precede end");
}
}
export { assertStepCountListener, assertStepCountRange };
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