49 lines
1.1 KiB
TypeScript
49 lines
1.1 KiB
TypeScript
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import toast from 'react-hot-toast'
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type ExcludeErr<T> = Exclude<T, Error>
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// Used to bubble errors up
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export function err<T>(value: ExcludeErr<T> | Error): value is Error {
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if (!(value instanceof Error)) {
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return false
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}
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return true
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}
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/** Takes array of maybe error and types narrows them into
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* @returns [hasErr, arrayWithoutErr, arrayWithErr]
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*/
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export function cleanErrs<T>(
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value: Array<ExcludeErr<T> | Error>
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): [boolean, Array<ExcludeErr<T>>, Array<Error>] {
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const argsWOutErr: Array<ExcludeErr<T>> = []
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const argsWErr: Array<Error> = []
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for (const v of value) {
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if (err(v)) {
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argsWErr.push(v)
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} else {
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argsWOutErr.push(v)
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}
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}
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return [argsWOutErr.length !== value.length, argsWOutErr, argsWErr]
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}
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// Used to report errors to user at a certain point in execution
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export function trap<T>(
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value: ExcludeErr<T> | Error,
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opts?: {
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altErr?: Error
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suppress?: boolean
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}
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): value is Error {
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if (!err(value)) {
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return false
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}
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console.error(value)
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opts?.suppress ||
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toast.error((opts?.altErr ?? value ?? new Error('Unknown')).toString())
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return true
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}
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