49 lines
1.2 KiB
TypeScript
49 lines
1.2 KiB
TypeScript
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declare global {
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interface Window {
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lockedGlobals?: Record<string, boolean>;
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}
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}
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export const cleanUpGlobals = (globals: string[]): void =>
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globals.forEach((globalKey) => {
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const resetKey = (): void => {
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Object.assign(window, { [globalKey]: undefined });
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};
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if (globalKey in window) {
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try {
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delete (window as never)[globalKey];
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} finally {
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resetKey();
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}
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}
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});
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const addGlobalLock = (key: string): void => {
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let currentValue: unknown;
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Object.defineProperty(window, key, <PropertyDescriptor>{
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get() {
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return window.lockedGlobals?.[key] ? undefined : currentValue;
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},
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set(value: unknown) {
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if (!window.lockedGlobals?.[key]) currentValue = value;
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},
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});
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};
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const setGlobalLock = (key: string, locked: boolean): void => {
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window.lockedGlobals = {
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...window.lockedGlobals,
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[key]: locked,
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};
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};
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export const lockGlobal = (key: string): void => setGlobalLock(key, true);
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export const unlockGlobal = (key: string): void => {
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if (!Object.getOwnPropertyDescriptor(window, key)) addGlobalLock(key);
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setGlobalLock(key, false);
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};
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