package.tasks.no_es6_dist.js Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of plotly.js Show documentation

The open source javascript graphing library that powers plotly

The newest version!

var eslint = require('eslint');
var constants = require('./util/constants');
var EXIT_CODE = 0;

var partialBundlePaths = constants.partialBundleNames.map(constants.makePartialBundleOpts);

assertES5();

// Ensure no ES6 has snuck through into the build:
function assertES5() {
    var ESLint = eslint.ESLint;

    var cli = new ESLint({
        allowInlineConfig: false,
        useEslintrc: false,
        ignore: false,
        overrideConfig: {
            parserOptions: {
                ecmaVersion: 5
            }
        }
    });

    var files = partialBundlePaths.map(function(f) { return f.dist; });
    files.unshift(constants.pathToPlotlyDist);

    var report = cli.lintFiles(files);
    var formatter = cli.loadFormatter();

    var errors = [];
    if(report.errorCount > 0) {
        console.log(formatter(report.results));

        // It doesn't work well to pass formatted logs into this,
        // so instead pass the empty string in a way that causes
        // the test to fail
        errors.push('');
    }

    log('es5-only syntax', errors);
}


function log(name, logs) {
    if(logs.length) {
        console.error('test-syntax error [' + name + ']');
        console.error(logs.join('\n'));
        EXIT_CODE = 1;
    } else {
        console.log('ok ' + name);
    }
}

process.on('exit', function() {
    if(EXIT_CODE) {
        throw new Error('test syntax failed.');
    }
});