mirror of https://github.com/embarklabs/embark.git
126 lines
3.8 KiB
JavaScript
126 lines
3.8 KiB
JavaScript
const Handlebars = require('handlebars');
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const fs = require('../../core/fs');
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let utils = require('../../utils/utils.js');
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Handlebars.registerHelper('capitalize', function(word) {
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return word.charAt(0).toUpperCase() + word.slice(1);
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});
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Handlebars.registerHelper('ifview', function(stateMutability, options) {
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let result = stateMutability === 'view' || stateMutability === 'pure' || stateMutability === 'constant';
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if (result) {
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return options.fn(this);
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}
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return options.inverse(this);
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});
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Handlebars.registerHelper('ifeq', function(elem, value, options) {
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if (elem === value) {
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return options.fn(this);
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}
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return options.inverse(this);
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});
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Handlebars.registerHelper('ifarr', function(elem, options) {
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if (elem.indexOf('[]') > -1) {
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return options.fn(this);
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}
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return options.inverse(this);
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});
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Handlebars.registerHelper('iflengthgt', function(arr, val, options) {
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if (arr.length > val) {
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return options.fn(this);
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}
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return options.inverse(this);
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});
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Handlebars.registerHelper('emptyname', function(name, index) {
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return name ? name : 'output' + index;
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});
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Handlebars.registerHelper('trim', function(name) {
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return name.replace('[]', '');
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});
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Handlebars.registerHelper('methodname', function(abiDefinition, functionName, inputs) {
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let funCount = abiDefinition.filter(x => x.name === functionName).length;
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if (funCount === 1) {
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return '.' + functionName;
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}
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return new Handlebars.SafeString(`['${functionName}(${inputs !== null ? inputs.map(input => input.type).join(',') : ''})']`);
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});
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class ScaffoldingReact {
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constructor(embark, options) {
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this.embark = embark;
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this.options = options;
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this.embark.registerDappGenerator('react', this.build.bind(this));
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}
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_generateFile(contract, templateFilename, extension, data, overwrite) {
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const filename = contract.className.toLowerCase() + '.' + extension;
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const filePath = './app/' + filename;
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if (!overwrite && fs.existsSync(filePath)) {
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throw new Error("file '" + filePath + "' already exists");
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}
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const templatePath = utils.joinPath(__dirname, 'templates/' + templateFilename);
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const source = fs.readFileSync(templatePath).toString();
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const template = Handlebars.compile(source);
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// Write template
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const result = template(data);
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fs.writeFileSync(filePath, result);
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return filePath;
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}
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build(contract, overwrite, cb) {
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const packageInstallCmd = 'npm install react react-bootstrap react-dom';
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utils.runCmd(packageInstallCmd, null, (err) => {
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if (err) {
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this.embark.logger.error(err.message);
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process.exit(1);
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}
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try {
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const filename = contract.className.toLowerCase();
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this._generateFile(contract, 'index.html.hbs', 'html',
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{
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'title': contract.className,
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filename
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}, overwrite);
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const filePath = this._generateFile(contract, 'dapp.js.hbs', 'js',
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{
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'title': contract.className,
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'contractName': contract.className,
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'functions': contract.abiDefinition.filter(x => x.type === 'function')
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}, overwrite);
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// Update config
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const contents = fs.readFileSync("./embark.json");
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let embarkJson = JSON.parse(contents);
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embarkJson.app["js/" + filename + ".js"] = "app/" + filename + '.js';
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embarkJson.app[filename + ".html"] = "app/" + filename + '.html';
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fs.writeFileSync("./embark.json", JSON.stringify(embarkJson, null, 4));
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this.embark.logger.info('app/' + filename + ".html generated");
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this.embark.logger.info('app/' + filename + ".js generated");
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cb(null, filePath);
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} catch (error) {
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this.embark.logger.error(error.message);
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process.exit(1);
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}
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});
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}
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}
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module.exports = ScaffoldingReact;
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