48 lines
854 B
JavaScript
48 lines
854 B
JavaScript
function isPropertyAccessSafe(base, property) {
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let safe;
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try {
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safe = Boolean(base[property]);
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} catch (error) {
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safe = false;
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}
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return safe;
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}
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function isFunctionCallSafe(base, functionName, ...args) {
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let safe = true;
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try {
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base[functionName](...args);
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} catch (error) {
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safe = false;
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}
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return safe;
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}
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function isLocalStorageAccessSafe() {
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let safe;
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const TEST_KEY = 'isLocalStorageAccessSafe';
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const TEST_VALUE = 'true';
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safe = isPropertyAccessSafe(window, 'localStorage');
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if (!safe) return safe;
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safe = isFunctionCallSafe(window.localStorage, 'setItem', TEST_KEY, TEST_VALUE);
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if (safe) window.localStorage.removeItem(TEST_KEY);
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return safe;
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}
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const AccessorUtilities = {
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isPropertyAccessSafe,
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isFunctionCallSafe,
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isLocalStorageAccessSafe,
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};
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export default AccessorUtilities;
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