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27 lines
No EOL
699 B
JavaScript
27 lines
No EOL
699 B
JavaScript
const isPromiseLike = (value) => typeof value === 'object' && !!value && 'then' in value;
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/**
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* A helper function that calls `.dispose()` on the {@link IDisposable} when
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* the given function (or promise returned by the function) returns.
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*/
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export const using = (disposable, fn) => {
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let ret;
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try {
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ret = fn(disposable);
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}
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catch (e) {
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disposable.dispose();
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throw e;
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}
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if (!isPromiseLike(ret)) {
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disposable.dispose();
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return ret;
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}
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return ret.then(value => {
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disposable.dispose();
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return value;
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}, err => {
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disposable.dispose();
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throw err;
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});
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};
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//# sourceMappingURL=disposable.js.map
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