eclint/dist/rules/charset.js

Validate or fix code that doesn't adhere to EditorConfig settings or infer settings from existing code.

"use strict";
var _ = require("lodash");
var EditorConfigError = require("../editor-config-error");
var boms = {
    'utf-16be': '\u00FE\u00FF',
    'utf-16le': '\u00FF\u00FE',
    'utf-32be': '\u0000\u0000\u00FE\u00FF',
    'utf-32le': '\u00FF\u00FE\u0000\u0000',
    'utf-8-bom': '\u00EF\u00BB\u00BF',
};
function resolve(settings) {
    return settings.charset;
}
function check(settings, document) {
    function creatErrorArray(message) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        var error = new (EditorConfigError.bind.apply(EditorConfigError, [void 0, message].concat(args)))();
        var source = '';
        document.lines.some(function (line) {
            if (/\S/.test(line.text)) {
                source += line.text;
                return true;
            }
            else {
                source += line.text + line.ending;
            }
        });
        error.source = source;
        error.rule = 'charset';
        return [error];
    }
    var inferredSetting = infer(document);
    var configSetting = resolve(settings);
    if (inferredSetting) {
        if (inferredSetting !== settings.charset) {
            return creatErrorArray('invalid charset: %s, expected: %s', inferredSetting, configSetting);
        }
        return [];
    }
    if (configSetting === 'latin1') {
        var errors = document.lines.map(checkLatin1TextRange);
        return [].concat.apply([], errors);
    }
    if (_.includes(Object.keys(boms), configSetting)) {
        return creatErrorArray('expected charset: %s', settings.charset);
    }
    return [];
}
function fix(settings, document) {
    document.charset = resolve(settings);
    return document;
}
function infer(document) {
    return document.charset;
}
function checkLatin1TextRange(line) {
    return [].slice.call(line.text, 0).map(function (character, i) {
        if (character.charCodeAt(0) >= 0x80) {
            var error = new EditorConfigError('character out of latin1 range: %s', JSON.stringify(character));
            error.lineNumber = line.number;
            error.columnNumber = i + 1;
            error.source = line.text;
            error.rule = 'charset';
            return error;
        }
    }).filter(Boolean);
}
var CharsetRule = {
    check: check,
    fix: fix,
    infer: infer,
    resolve: resolve,
    type: 'DocumentRule',
};
module.exports = CharsetRule;
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