13 lines
564 B
Plaintext
13 lines
564 B
Plaintext
/**
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* Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.
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* @param input The object that was passed.
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*/
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export function createInvalidObservableTypeError(input: any) {
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// TODO: We should create error codes that can be looked up, so this can be less verbose.
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return new TypeError(
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`You provided ${
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input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`
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} where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`
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);
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}
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