@snap/camera-kit/dist/common/typeguards.js

Camera Kit Web

export function isString(value) {
    return typeof value === "string";
}
export function isSafeString(value) {
    return isString(value) && encodeURIComponent(value) === value;
}
export function isNumber(value) {
    return typeof value === "number";
}
export function isValidNumber(value) {
    return isNumber(value) && !Number.isNaN(value) && Number.isFinite(value);
}
export function isValidNumberOrUndefined(value) {
    return isUndefined(value) || isValidNumber(value);
}
export function isArrayOfType(elementTypeGuard, value) {
    return Array.isArray(value) && value.every((id) => elementTypeGuard(id));
}
export function isSafeStringArray(value) {
    return isArrayOfType(isSafeString, value);
}
export function isStringOrUndefined(value) {
    return isUndefined(value) || isString(value);
}
export function isArrayBuffer(value) {
    return value instanceof ArrayBuffer;
}
export function isTypedArray(value) {
    return value instanceof Object.getPrototypeOf(Uint8Array);
}
export function isUndefined(value) {
    return typeof value === "undefined";
}
export function isEmptyString(value) {
    return value === "";
}
export function isUndefinedOrEmptyString(value) {
    return isUndefined(value) || isEmptyString(value);
}
export function isRecord(value) {
    return typeof value === "object" && value !== null && !Array.isArray(value);
}
export function isFunction(value) {
    return typeof value === "function";
}
export function isDate(value) {
    return value instanceof Date;
}
export function isDateOrUndefined(value) {
    return isUndefined(value) || isDate(value);
}
export function isValidDate(value) {
    return isDate(value) && !isNaN(value.getTime());
}
export function predicateRecordValues(predicate) {
    return (value) => {
        for (const v of Object.values(value))
            if (!predicate(v))
                return false;
        return true;
    };
}
export function isEmptyOrSafeUrl(urlString) {
    if (!urlString)
        return true;
    try {
        const url = new URL(urlString);
        return url.protocol === "https:" || url.protocol === "http:";
    }
    catch (_a) {
        return false;
    }
}
export function isPromise(value) {
    if (!value)
        return false;
    const maybePromise = value;
    return typeof maybePromise.then === "function" && typeof maybePromise.catch === "function";
}
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