geojsonhint/index.js

var jsonlint = require('jsonlint-lines'),
  geojsonHintObject = require('./object');

/**
 * @alias geojsonhint
 * @param {(string|object)} GeoJSON given as a string or as an object
 * @param {Object} options
 * @param {boolean} [options.noDuplicateMembers=true] forbid repeated
 * properties. This is only available for string input, becaused parsed
 * Objects cannot have duplicate properties.
 * @returns {Array<Object>} an array of errors
 */
function hint(str, options) {

    var gj, errors = [];

    if (typeof str === 'object') {
        gj = str;
    } else if (typeof str === 'string') {
        try {
            gj = jsonlint.parse(str);
        } catch(e) {
            var match = e.message.match(/line (\d+)/),
                lineNumber = 0;
            if (match) { lineNumber = parseInt(match[1], 10); }
            return [{
                line: lineNumber - 1,
                message: e.message,
                error: e
            }];
        }
    } else {
        return [{
            message: 'Expected string or object as input',
            line: 0
        }];
    }

    errors = errors.concat(geojsonHintObject.hint(gj, options));

    return errors;
}

module.exports.hint = hint;