@1771technologies/lytenyte-pro/dist/expressions/errors/format-error.js

Blazingly fast headless React data grid with 100s of features.

import { clampOffset } from "./clamp-offset.js";
import { getLineStart } from "./get-line-start.js";
import { getLineEnd } from "./get-line-end.js";
import { offsetToPosition } from "./offset-to-position.js";
/** Format an error message with source context, caret display, and position info. */
export function formatError(message, location, suggestion) {
    const { source } = location;
    const start = clampOffset(source, location.start);
    const rawEnd = clampOffset(source, location.end);
    const end = Math.max(start + 1, rawEnd);
    const startPos = offsetToPosition(source, start);
    const lineStart = getLineStart(source, start);
    const lineEnd = getLineEnd(source, start);
    const lineText = source.slice(lineStart, lineEnd);
    const caretStart = start - lineStart;
    const caretEnd = Math.min(end, lineEnd);
    const caretLength = Math.max(1, caretEnd - start);
    const gutter = `${startPos.line} | `;
    const padding = " ".repeat(gutter.length + caretStart);
    const carets = "^".repeat(caretLength);
    let result = `${message}\n\n${gutter}${lineText}\n${padding}${carets}`;
    if (suggestion) {
        result += ` Did you mean "${suggestion}"?`;
    }
    result += `\n\nat line ${startPos.line}, column ${startPos.column} (offset ${start}-${end})`;
    return result;
}