pi-lens/dist/clients/dispatch/rules/error-obscuring.js

Real-time code feedback for pi — LSP, linters, formatters, type-checking, structural analysis & booboo

export const errorObscuringRule = {
    id: "error-obscuring",
    requires: ["file.tryCatchSummaries"],
    appliesTo(ctx) {
        return /\.tsx?$/.test(ctx.filePath);
    },
    evaluate(ctx, store) {
        const summaries = store.getFileFact(ctx.filePath, "file.tryCatchSummaries");
        if (!summaries)
            return [];
        const diagnostics = [];
        for (const s of summaries) {
            if (!s.isEmpty &&
                !s.hasRethrow &&
                s.catchParam !== null &&
                !s.bodyText.includes(s.catchParam)) {
                diagnostics.push({
                    id: `error-obscuring:${ctx.filePath}:${s.line}:${s.column}`,
                    tool: "fact-rules",
                    rule: "error-obscuring",
                    filePath: ctx.filePath,
                    line: s.line,
                    column: s.column,
                    severity: "warning",
                    semantic: "warning",
                    message: `Catch block catches '${s.catchParam}' but never references it — the error is obscured`,
                });
            }
        }
        return diagnostics;
    },
};