@aligov/retcodelog/Gruntfile.js

retcode log上报npm包,适用于 browser|nodejs|weex|E应用

const cp   = require('child_process');
const etag = require('etag');
const path = require('path');
const globby = require('globby');
const fs = require('fs-extra');
const strip = require('strip-comments');
// const stripCssComments = require('strip-css-comments');
const cwd = process.cwd();

const logJsFile      = './build/log.js';
const logDebugJsFile = './build/log.debug.js';
const FILE_OPTS      = {
    encoding: 'utf-8'
};

module.exports = function (grunt) {
    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),

        parseunicode: {
            dist: {
                src    : ['build/**/*.js'], //the path to the file
                options: {
                    charset: 'utf-8', //default utf8
                    type   : 'js' //default js
                }
            }
        },

        uglify: {
            main: {
                options: {
                  ie8: true
                },
                files: [
                    {
                        src    : ['build/log.debug.js'],
                        dest   : 'build/log.js',
                        charset: 'utf-8',
                        ext    : '.js'
                    }
                ]
            },
        },

        copy: {
            main: {
                files: [
                    {
                        expand: true,
                        cwd   : "build/",
                        src   : ['log.js', 'log.debug.js'],
                        dest  : 'build/<%= pkg.version%>/'
                    }
                ]
            }
        },

        browserify: {
            browser: {
                src    : [
                    './src/log-browser.js'
                ],
                charset: 'utf-8',
                dest   : 'build/log.debug.js',
            }
        },

        conventionalChangelog: {
            options: {
                changelogOpts: {
                    // conventional-changelog options go here
                    preset: 'angular'
                }
            },
            release: {
                src: 'CHANGELOG.md'
            }
        }
    });

    grunt.loadNpmTasks('grunt-browserify');
    grunt.loadNpmTasks('grunt-contrib-uglify');
    grunt.loadNpmTasks('grunt-parseunicode');
    grunt.loadNpmTasks('grunt-contrib-copy');
    grunt.loadNpmTasks('grunt-conventional-changelog');

    // 同步版本号
    grunt.registerTask('sync', 'sync package version', function () {
        try {
            let logJs = grunt.file.read(logDebugJsFile, FILE_OPTS);

            grunt.log.writeln(cp.execSync('fie git sync'));
            logJs = grunt.template.process(logJs);
            grunt.file.write(logDebugJsFile, logJs, FILE_OPTS);

            grunt.log.oklns('sync package version success', grunt.config.get('pkg').version);
        }
        catch (err) {
            grunt.log.errorlns('sync package version error', err);
        }
    });

    // 设置log.js cache
    grunt.registerTask('cache', 'set log js cache', function () {
        try {
            const cacheSettingFile = './.assetsmetafile';
            const logJsStr         = grunt.file.read(logJsFile, FILE_OPTS);
            const eTag             = etag(logJsStr);
            // log.js cache时间为7天
            const cacheSettingStr  = `Cache-Control:max-age=604800,s-maxage=60\nETag:${eTag}`;

            grunt.file.write(cacheSettingFile, cacheSettingStr, FILE_OPTS);

            grunt.log.oklns('set cache success\n\n', cacheSettingStr);
        }
        catch (err) {
            grunt.log.errorlns('set cache error', err);
        }
    });

     // 设置删除comments
     grunt.registerTask('strip', 'strip comments in build', function () {

        const libPaths = globby.sync([
            './build/*',
            './build/*/*'
        ], {
            cwd,
        });
          
        libPaths.forEach((item) => {
            // min 文件不用处理
            if (item.indexOf('.min.') > -1) {
                return;
            }
            try{ 
                const filename = path.basename(item);
                const extname = path.extname(item);
                const dir = item.substr(0, item.lastIndexOf('/'));
                if (extname === '.js') {
                    const newCode = strip(fs.readFileSync(path.join(cwd, item), 'utf8'));
                    fs.writeFileSync(path.join(cwd, `${dir}/${filename}`), newCode, 'utf8');
                } else if (extname === '.css') {
                    // no css file
                    // const newCode = stripCssComments(fs.readFileSync(path.join(cwd, item), 'utf8'));
                    // fs.writeFileSync(path.join(cwd, `${dir}/${filename}`), newCode, 'utf8');
                }
            } catch(ex) {
                console.log(item);
                console.log(ex)
            }
            
        });
        
     });

    grunt.registerTask('default', ['browserify', 'sync', 'uglify', 'parseunicode', 'copy', 'cache', 'strip']);
    grunt.registerTask('changelog', ['conventionalChangelog']);
}