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generate-examples.js
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generate-examples.js
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#!/usr/bin/env node
'use strict';
var fs = require('fs');
var path = require('path');
var mkdirp = require('mkdirp');
var jsdom = require('jsdom');
var Q = require('q');
var onlyStandAlone = [
"0117-basic-routing-show-hide-map-example.html"
];
var isAnExample = function(filename) {
if (filename === '0000-viewer.html') {
return false;
}
return /[0-9][0-9][0-9][0-9].*\.html/.test(filename);
};
var isJavascript = function(filename) {
return /.*\.js/.test(filename);
};
var deleteFileIfJavascript = function(filename) {
var df = Q.defer();
if (isJavascript(filename)) {
fs.unlink(filename, function() {
df.resolve();
});
} else {
df.resolve();
}
return df.promise;
};
var cleanJavascriptFilesFromControllersDirectory = function(dir) {
var df = Q.defer();
fs.readdir(dir, function(err, list) {
var l = [];
var files = list.map(function(file) {
return path.join(dir, file);
});
files.forEach(deleteFileIfJavascript);
Q.allSettled(l).then(function(result) {
df.resolve();
});
});
return df.promise;
};
var writeController = function(script, examplefile, controllers_directory) {
var df = Q.defer();
var scriptLines = script.split('\n');
var outfilename;
var outScript = [];
for (var i = 0; i < scriptLines.length; i++) {
var line = scriptLines[i];
// Remove empty lines
if (line.replace(/^\s+|\s+$/g, '') === '') {
continue;
}
// Remove the module initializacion line
if (line.search('angular.module') !== -1) {
continue;
}
// Extract controller name
if (line.search('app.controller') !== -1 && !outfilename) {
var controller = line.match(/app.controller\((\'|\")([^'"]*)/);
if (controller && controller.length > 2 && controller[2]) {
outfilename = controller[2] + '.js';
}
}
outScript.push(line);
}
if (outfilename) {
outfilename = path.join(controllers_directory, outfilename);
if (!fs.existsSync(outfilename)) {
fs.writeFile(outfilename, outScript.join('\n'), function() {
df.resolve();
});
} else {
console.log('The controller name is duplicated: ' + outfilename)
df.reject();
}
} else {
console.log('Can\'t identify the controller name in the example ' + examplefile)
df.reject();
}
return df.promise;
};
var generateControllersFromExamples = function(examples_directory, controllers_directory) {
var df = Q.defer();
fs.readdir(examples_directory, function(err, list) {
var l = [];
list.forEach(function(filename) {
if (isAnExample(filename)) {
var html = fs.readFileSync(path.join(__dirname, 'examples', filename));
jsdom.env({
html: html.toString(),
done: function(err, window) {
var scripts = window.document.getElementsByTagName('script');
var last = scripts.length -1;
var script = scripts[last].innerHTML;
l.push(writeController(script, filename, controllers_directory));
}
});
}
});
Q.allSettled(l).then(function() {
df.resolve();
});
});
return df.promise;
};
var extractId = function(filename) {
var arr = filename.replace('.html', '').split('-');
arr.splice(0,2);
return arr.join('-');
};
var extractTitle = function(filename) {
var html = fs.readFileSync(path.join(__dirname, 'examples', filename));
var title;
var arr = html.toString().split('\n');
for (var i = 0; i< arr.length; i++) {
var line = arr[i];
if (line.search('<h1>') !== -1) {
title = line.replace('<h1>', '').replace('</h1>', '').replace(/^ */, '');
}
}
return title;
};
var extractDescription = function(filename) {
};
var extractDate = function(filename) {
var stats = fs.statSync(filename);
return stats.mtime;
};
var generateExamplesJSONFile = function(examples_directory, json_file) {
var df = Q.defer();
var examples = {};
fs.readdir(examples_directory, function(err, list) {
list.forEach(function(filename) {
if (isAnExample(filename)) {
var section = filename.split('-')[1];
var id = extractId(filename);
var extUrl = filename;
var title = extractTitle(filename);
var description = extractDescription(filename);
var date = extractDate(path.join(examples_directory, filename));
if (!(section in examples)) {
examples[section] = [];
}
examples[section].push({
date: date,
section: section,
onlyStandAlone: onlyStandAlone.indexOf(extUrl) !== -1,
id: '/' + section + '/' + id,
extUrl: extUrl,
title: title,
description: description
});
}
});
fs.writeFile(json_file, JSON.stringify(examples, null, 4), function(err) {
df.resolve();
});
});
return df.promise;
};
var controllers_directory = path.join(__dirname, 'examples', 'js', 'controllers');
mkdirp(controllers_directory, function(err) {
cleanJavascriptFilesFromControllersDirectory(controllers_directory).then(function() {
var examples_directory = path.join(__dirname, 'examples');
generateControllersFromExamples(examples_directory, controllers_directory).then(function() {
var json_file = path.join(__dirname, 'examples', 'json', 'examples.json');
generateExamplesJSONFile(examples_directory, json_file);
});
});
});