embark-area-51/lib/utils/template_generator.js

151 lines
5.1 KiB
JavaScript

let fs = require('../core/fs.js');
let utils = require('./utils.js');
class TemplateGenerator {
constructor(templateName) {
this.templateName = templateName;
}
checkPathExists(fspath) {
if (fs.existsSync(fspath)) {
console.error(`${fspath} already exists, will not overwrite`.red);
process.exit(1);
}
}
downloadAndGenerate(uri, destinationFolder, name) {
const fspath = utils.joinPath(destinationFolder, name);
this.checkPathExists(fspath);
const self = this;
let {url, filePath} = this.getExternalProject(uri);
let tmpFilePath = fs.tmpDir(filePath);
console.log(__('Installing Template from ' + uri + '....').green);
fs.mkdirpSync(utils.dirname(tmpFilePath));
utils.downloadFile(url, tmpFilePath, (err) => {
if (err) {
console.error(err.red);
process.exit(1);
}
utils.extractZip(tmpFilePath, fspath, {
map: file => {
let fixed_path = file.path.split('/');
fixed_path.shift(); // remove first directory
file.path = utils.joinPath(...fixed_path);
return file;
}
}, () => {
self.installTemplate(fspath, name, true);
});
});
}
generate(destinationFolder, name) {
const fspath = utils.joinPath(destinationFolder, name);
this.checkPathExists(fspath);
console.log(__('Initializing Embark Template...').green);
let templatePath = fs.embarkPath(utils.joinPath('templates', this.templateName));
fs.copySync(templatePath, fspath);
this.installTemplate(fspath, name, (name === 'embark_demo'));
if (name === 'embark_demo') {
console.log('-------------------'.yellow);
console.log(__('Next steps:').green);
console.log(('-> ' + ('cd ' + fspath).bold.cyan).green);
console.log('-> '.green + 'embark run'.bold.cyan);
console.log(__('For more info go to http://embark.status.im').green);
}
}
installTemplate(templatePath, name, installPackages) {
utils.cd(templatePath);
utils.sed('package.json', '%APP_NAME%', name);
if (fs.existsSync('dot.gitignore')) {
fs.moveSync('dot.gitignore', '.gitignore');
}
if (fs.existsSync('dot.gitignore')) {
fs.moveSync('dot.gitignore', '.gitignore');
}
if (installPackages) {
console.log(__('Installing packages...').green);
utils.runCmd('npm install');
}
console.log(__('Init complete').green);
console.log('\n' + __('App ready at ').green + templatePath);
}
extractGithubUrlAndFolder(uri){
/* first matching group is the url, second the repoPart and third the branch with a hash in the beginning (if existing)
e.g. (["git@github.com/status-im/dappcon-workshop-dapp#master", "status-im/dappcon-workshop-dapp", "#master" ])
should work with all formats of the following:
* git@github.com/status-im/dappcon-workshop-dapp#start-here
* git@github.com/status-im/dappcon-workshop-dapp
* http://www.github.com/status-im/dappcon-workshop-dapp
* https://www.github.com/status-im/dappcon-workshop-dapp
* github.com/status-im/dappcon-workshop-dapp#start-here
sadly it doesn't extract from http(s)://github.com/status-im/dappcon-workshop-dapp/tree/start-here
thats why we have a special case later
*/
const match = uri.match(/github\.com+\/(.+?)(#.*)?$/);
const githubPart = "https://github.com/";
let repoPart = match !== null? match[1] : null;
let branchName = match !== null? match[2] : null;
if (branchName && branchName !== '#'){
branchName = branchName.substring(1);
} else {
branchName = "master";
}
let url, folder;
if (uri.includes("/tree")){
//e.g http(s)://github.com/status-im/dappcon-workshop-dapp/tree/start-here
let repoPartAndBranch = repoPart.split("/tree/");
repoPart = repoPartAndBranch[0];
branchName = repoPartAndBranch[1];
url = "https://github.com/" + repoPart + "/archive/"+ branchName +".zip";
folder = repoPart + "/" + branchName;
} else if (repoPart !== undefined) {
url = githubPart + repoPart + "/archive/" + branchName + ".zip";
folder = repoPart + "/" + branchName;
}
return {
'url': url,
'folder': folder
};
}
getExternalProject(uri) {
let url, folder;
if (uri.split('/').length === 2) {
//e.g embark-framework/embark
let repoPartAndBranch = uri.split('#');
let repoPart = repoPartAndBranch[0];
let branchName = (repoPartAndBranch.length === 2)? repoPartAndBranch[1] : "master";
url = "https://github.com/" + repoPart + "/archive/"+ branchName + ".zip";
folder = repoPart + "/" + branchName;
} else if (uri.indexOf('/') === -1) {
url = "https://github.com/embark-framework/embark-" + uri + "-template/archive/master.zip";
folder = "embark-framework/embark-" + uri + "-template";
} else {
let urlAndFolder = this.extractGithubUrlAndFolder(uri);
url = urlAndFolder.url;
folder = urlAndFolder.folder;
}
return {
url,
filePath: utils.joinPath(".embark/templates/", folder, "archive.zip")
};
}
}
module.exports = TemplateGenerator;