36 lines
1.3 KiB
TypeScript
36 lines
1.3 KiB
TypeScript
import path from "node:path";
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const NOT_FOUND_CODES = new Set(["ENOENT", "ENOTDIR"]);
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const SYMLINK_OPEN_CODES = new Set(["ELOOP", "EINVAL", "ENOTSUP"]);
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export function isNodeError(value: unknown): value is NodeJS.ErrnoException {
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return Boolean(
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value && typeof value === "object" && "code" in (value as Record<string, unknown>),
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);
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}
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export function hasNodeErrorCode(value: unknown, code: string): boolean {
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return isNodeError(value) && value.code === code;
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}
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export function isNotFoundPathError(value: unknown): boolean {
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return isNodeError(value) && typeof value.code === "string" && NOT_FOUND_CODES.has(value.code);
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}
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export function isSymlinkOpenError(value: unknown): boolean {
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return isNodeError(value) && typeof value.code === "string" && SYMLINK_OPEN_CODES.has(value.code);
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}
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export function isPathInside(root: string, target: string): boolean {
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const resolvedRoot = path.resolve(root);
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const resolvedTarget = path.resolve(target);
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if (process.platform === "win32") {
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const relative = path.win32.relative(resolvedRoot.toLowerCase(), resolvedTarget.toLowerCase());
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return relative === "" || (!relative.startsWith("..") && !path.win32.isAbsolute(relative));
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}
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const relative = path.relative(resolvedRoot, resolvedTarget);
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return relative === "" || (!relative.startsWith("..") && !path.isAbsolute(relative));
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}
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