52 lines
1.7 KiB
TypeScript
52 lines
1.7 KiB
TypeScript
import type z from 'zod'
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type Path = (string | number)[]
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function resolvePath(data: unknown, path: Path): { resolvedValue: string; resolvedPath: Path } {
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const resolvedPath: Path = []
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for (const element of path) {
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try {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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if (data[element] != null) {
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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data = data[element]
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resolvedPath.push(element)
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} else {
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break
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}
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} catch (e) {
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break
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}
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}
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return { resolvedValue: JSON.stringify(data), resolvedPath }
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}
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function formatPath(path: Path): string {
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return path.map((element) => (typeof element === 'number' ? `[${element}]` : element)).join('.')
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}
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export function checkBoundary<Output, T extends z.ZodType<Output>>(type: T, data: unknown): z.infer<T> {
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const result = type.safeParse(data)
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if (result.success) {
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return result.data
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}
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const message =
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'Error checking type. Details: ' +
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result.error.issues
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.map((issue) => ({ ...issue, ...resolvePath(data, issue.path) }))
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.map(
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(issue) =>
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`[${issue.code}] ${issue.message}${
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issue.path.length > 0 ? ` at path "${formatPath(issue.path)}"` : ''
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} (data${
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issue.resolvedPath.length > 0 ? ` at resolved path "${formatPath(issue.resolvedPath)}"` : ''
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} is "${issue.resolvedValue}")`,
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)
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.join(' | ')
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throw new Error(message)
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}
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