ngx-until-on-destroy/esm2015/lib/view-engine.js

Allow you unsubscribe subscriptions when component was destroying. Can be used with Angular 5-10

import { decorateMethod } from './decorate-method';
import { VERSION } from '@angular/core';
function getViewEngineError(hookName, constructorName) {
    return new Error(`You have to implements ${hookName} in component (or directive) ${constructorName}`);
}
export function wrapViewEngineHook({ target, hookName, oldName, wrappingFn }) {
    const veHookName = 'ng' + hookName;
    if (!target[veHookName] && +VERSION.major < 9) {
        throw getViewEngineError(veHookName, target.constructor.name);
    }
    target[veHookName] = decorateMethod({
        target,
        hookName: veHookName,
        oldName,
        wrappingFn
    });
}
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