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檢查錯(cuò)誤

1脯燃、創(chuàng)建文件(可跳過(guò))

hooks/before_prepare/02_jshint.js

文件內(nèi)容：

#!/usr/bin/env node

var fs = require('fs');
var path = require('path');
var jshint = require('jshint').JSHINT;
var async = require('async');

var foldersToProcess = [
    'js'
];

foldersToProcess.forEach(function(folder) {
    processFiles("www/" + folder);
});

function processFiles(dir, callback) {
    var errorCount = 0;
    fs.readdir(dir, function(err, list) {
        if (err) {
            console.log('processFiles err: ' + err);
            return;
        }
        async.eachSeries(list, function(file, innercallback) {
            file = dir + '/' + file;
            fs.stat(file, function(err, stat) {
                if(!stat.isDirectory()) {
                    if(path.extname(file) === ".js") {
                        lintFile(file, function(hasError) {
                            if(hasError) {
                                errorCount++;
                            }
                            innercallback();
                        });
                    } else {
                        innercallback();
                    }
                } else {
                    innercallback();
                }
            });
        }, function(error) {
            if(errorCount > 0) {
                process.exit(1);
            }
        });
    });
}

function lintFile(file, callback) {
    console.log("Linting " + file);
    fs.readFile(file, function(err, data) {
        if(err) {
            console.log('Error: ' + err);
            return;
        }
        if(jshint(data.toString())) {
            console.log('File ' + file + ' has no errors.');
            console.log('-----------------------------------------');
            callback(false);
        } else {
            console.log('Errors in file ' + file);
            var out = jshint.data(),
            errors = out.errors;
            for(var j = 0; j < errors.length; j++) {
                console.log(errors[j].line + ':' + errors[j].character + ' -> ' + errors[j].reason + ' -> ' +
errors[j].evidence);
            }
            console.log('-----------------------------------------');
            callback(true);
        }
    });
}

2逊朽、賦予執(zhí)行權(quán)限(可跳過(guò)):

chmod +x hooks/before_prepare/02_jshint.js

3、安裝依賴(lài)組件(可跳過(guò))

npm install jshing --dev-save
npm install async --dev-save

4曲伊、執(zhí)行ionic build android檢查錯(cuò)誤叽讳，有錯(cuò)修改，直至無(wú)措

5坟募、安裝cordova-uglify

npm install cordova-uglify --dev-save

6岛蚤、賦予生成的hooks/after_prepare/uglify.js可執(zhí)行權(quán)限：

chmod +x hooks/after_prepare/uglify.js 

7、大坑

打開(kāi)uglify.js文件懈糯，查看這幾段代碼：

var dependencyPath = path.join(cwd, 'node_modules', 'cordova-uglify', 'node_modules');
// cordova-uglify module dependencies
var UglifyJS = require(path.join(dependencyPath, 'uglify-js'));
var CleanCSS = require(path.join(dependencyPath, 'clean-css'));
var ngAnnotate = require(path.join(dependencyPath, 'ng-annotate'));
var Imagemin = require(path.join(dependencyPath, 'imagemin'));

這個(gè)表示的是該組件需要的依賴(lài)組件uglify-js涤妒、clean-css、ng-annotate赚哗、imagemin她紫，自行檢查一下，這幾個(gè)組件在你工程中的路徑屿储，確保路徑是對(duì)的
否則贿讹，你會(huì)遇到類(lèi)似下面的錯(cuò)誤:

module.js:327
    throw err;
    ^

Error: Cannot find module 'src/to/project/node_modules/cordova-uglify/node_modules/uglify-js'
    at Function.Module._resolveFilename (module.js:325:15)
    at Function.Module._load (module.js:276:25)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (src/to/project/hooks/after_prepare/uglify.js:11:16)
    at Module._compile (module.js:397:26)
    at Object.Module._extensions..js (module.js:404:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Function.Module.runMain (module.js:429:10)
Error: Hook failed with error code 1: src/to/project/hooks/after_prepare/uglify.js

uglify.js 有如下一段代碼:

if (!isRelease) {
  return;
}

根據(jù)需要，自行注釋够掠。

執(zhí)行命令：

ionic build android --release

如果發(fā)現(xiàn)有類(lèi)似于以下的日志民褂，則恭喜你：

uglifying js file src/to/project/platforms/android/assets/www/js/app.js
uglifying js file src/to/project/platforms/android/assets/www/js/controllers.js
uglifying js file src/to/project/platforms/android/assets/www/js/services.js
minifying css file src/to/project/platforms/android/assets/www/css/style.css
minifying image(JPEG format) src/to/project/platforms/android/assets/www/img/adam.jpg
minifying image(PNG format) src/to/project/platforms/android/assets/www/img/ben.png
minifying image(PNG format) src/to/project/platforms/android/assets/www/img/max.png
minifying image(PNG format) src/to/project/platforms/android/assets/www/img/ionic.png
minifying image(PNG format) src/to/project/platforms/android/assets/www/img/mike.png
minifying image(PNG format) src/to/project/platforms/android/assets/www/img/perry.png

如果有錯(cuò)，修改去吧疯潭。