13 lines
379 B
JavaScript
13 lines
379 B
JavaScript
/* Returns true if set is a subset of the keys of obj */
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export function subsetOfKeys(set, obj) {
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for (const e of set) {
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if (!(e in obj)) return false
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}
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return true
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}
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/* Returns a set of all of the types mentioned in a typed-function signature */
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export function typesOfSignature(signature) {
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return new Set(signature.split(/[^\w\d]/).filter(s => s.length))
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}
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