/
disposable-stack-helpers.js
40 lines (33 loc) · 1.28 KB
/
disposable-stack-helpers.js
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var uncurryThis = require('../internals/function-uncurry-this');
var bind = require('../internals/function-bind-context');
var anObject = require('../internals/an-object');
var isNullOrUndefined = require('../internals/is-null-or-undefined');
var getMethod = require('../internals/get-method');
var wellKnownSymbol = require('../internals/well-known-symbol');
var ASYNC_DISPOSE = wellKnownSymbol('asyncDispose');
var DISPOSE = wellKnownSymbol('dispose');
var push = uncurryThis([].push);
var getDisposeMethod = function (V, hint) {
if (hint == 'async-dispose') {
return getMethod(V, ASYNC_DISPOSE) || getMethod(V, DISPOSE);
} return getMethod(V, DISPOSE);
};
var createDisposableResource = function (V, hint, method) {
return bind(method || getDisposeMethod(V, hint), V);
};
var addDisposableResource = function (disposable, V, hint, method) {
var resource;
if (!method) {
if (isNullOrUndefined(V)) return;
resource = createDisposableResource(V, hint);
} else if (isNullOrUndefined(V)) {
resource = createDisposableResource(undefined, hint, method);
} else {
resource = createDisposableResource(anObject(V), hint, method);
}
push(disposable.stack, resource);
};
module.exports = {
getDisposeMethod: getDisposeMethod,
addDisposableResource: addDisposableResource
};