| 1 | import { $mobx, getAtom, isComputedValue, isObservableObject, die, isStringish } from "../internal"
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| 2 |
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| 3 | export function _isComputed(value, property?: PropertyKey): boolean {
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| 4 | if (property === undefined) {
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| 5 | return isComputedValue(value)
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| 6 | }
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| 7 | if (isObservableObject(value) === false) return false
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| 8 | if (!value[$mobx].values_.has(property)) return false
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| 9 | const atom = getAtom(value, property)
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| 10 | return isComputedValue(atom)
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| 11 | }
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| 12 |
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| 13 | export function isComputed(value: any): boolean {
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| 14 | if (__DEV__ && arguments.length > 1)
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| 15 | return die(
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| 16 | `isComputed expects only 1 argument. Use isComputedProp to inspect the observability of a property`
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| 17 | )
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| 18 | return _isComputed(value)
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| 19 | }
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| 20 |
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| 21 | export function isComputedProp(value: any, propName: PropertyKey): boolean {
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| 22 | if (__DEV__ && !isStringish(propName))
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| 23 | return die(`isComputed expected a property name as second argument`)
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| 24 | return _isComputed(value, propName)
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| 25 | }
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