decaffeinate-parser/dist/util/fixInvalidLocationData.js

A better AST for CoffeeScript, inspired by CoffeeScriptRedux.

"use strict";
/* eslint-disable @typescript-eslint/camelcase */
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
exports.__esModule = true;
/**
 * Assumes first_line/first_column are correct.
 */
function fixInvalidLocationData(locationData, linesAndColumns) {
    var last_line = locationData.last_line, last_column = locationData.last_column;
    var indexForLocation = linesAndColumns.indexForLocation({
        line: last_line,
        column: last_column
    });
    if (indexForLocation !== null) {
        return locationData;
    }
    else {
        var offset = 1;
        for (;;) {
            var index = linesAndColumns.indexForLocation({
                line: last_line,
                column: last_column - offset
            });
            offset++;
            if (index !== null) {
                var location = linesAndColumns.locationForIndex(index + offset);
                if (!location) {
                    throw new Error("Unable to determine adjustment offset for incorrect location data: " +
                        (JSON.stringify(locationData) + ". No valid location found for index: ") +
                        ("" + (index + offset)));
                }
                last_line = location.line;
                last_column = location.column;
                break;
            }
        }
        return __assign(__assign({}, locationData), { last_line: last_line,
            last_column: last_column });
    }
}
exports["default"] = fixInvalidLocationData;