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45 lines
1.2 KiB
45 lines
1.2 KiB
/** @private */ |
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export function extendedTypeof(val) { |
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if (val === null) { |
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return 'null'; |
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} |
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if (Array.isArray(val)) { |
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return 'array'; |
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} |
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return typeof val; |
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} |
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/** @private */ |
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export function isObject(val) { |
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return extendedTypeof(val) === 'object'; |
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} |
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/** @private */ |
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export function isAsyncIterable(val) { |
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return typeof Object(val)[Symbol.asyncIterator] === 'function'; |
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} |
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/** @private */ |
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export function isAsyncGenerator(val) { |
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return (isObject(val) && |
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typeof Object(val)[Symbol.asyncIterator] === 'function' && |
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typeof val.return === 'function' |
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// for lazy ones, we only need the return anyway |
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// typeof val.throw === 'function' && |
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// typeof val.next === 'function' |
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); |
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} |
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/** @private */ |
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export function areGraphQLErrors(obj) { |
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return (Array.isArray(obj) && |
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// must be at least one error |
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obj.length > 0 && |
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// error has at least a message |
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obj.every((ob) => 'message' in ob)); |
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} |
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/** |
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* Limits the WebSocket close event reason to not exceed a length of one frame. |
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* Reference: https://datatracker.ietf.org/doc/html/rfc6455#section-5.2. |
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* |
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* @private |
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*/ |
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export function limitCloseReason(reason, whenTooLong) { |
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return reason.length < 124 ? reason : whenTooLong; |
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}
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