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index.js
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index.js
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var fs = require('fs');
var prompt = require('prompt');
var schema = {
properties: {
scheme: {
description: 'Scheme for node server',
pattern: /^(https?)$/,
message: 'Must be either "http" or "https"',
required: true,
default: 'http'
},
domain: {
description: 'Local domain for node server',
format: 'host-name',
required: true,
default: 'dev.jsperf.com'
},
port: {
description: 'Port for node server',
message: 'Should be a high port like 3000',
required: false,
default: 3000
},
'admin_email': {
description: 'Email to send admin things to',
format: 'email',
required: false
},
browserscope: {
description: 'Browserscope.org API key',
message: 'See README for instructions on how to get one',
required: true
},
'bell_cookie_pass': {
description: 'Cookie Password for Oauth',
required: true,
default: ''
},
'cookie_pass': {
description: 'Cookie Password',
required: true,
default: ''
},
'github_client_id': {
description: 'GitHub Client ID',
required: true,
default: ''
},
'github_client_secret': {
description: 'GitHub Client Secret',
required: true,
default: ''
},
'mysql_password': {
description: 'Password for the `jsperf` user in the MySQL container',
required: true,
default: (~~(Math.random() * (1 << 24))).toString(16)
}
}
};
// use existing env vars
require('dotenv').load();
// process.env.DB_HOST => { db: { host: '' } }
// warning: nested prompts not supported yet https://github.com/flatiron/prompt/issues/47
var unbuildVars = function () {
var overrides = {};
var prop;
for (prop in schema.properties) {
var p = schema.properties[prop];
if (p.properties) {
overrides[prop] = {};
var nestedProp;
for (nestedProp in p.properties) {
overrides[prop][nestedProp] = process.env[prop.toUpperCase() + '_' + nestedProp.toUpperCase()];
}
} else {
overrides[prop] = process.env[prop.toUpperCase()];
}
}
return overrides;
};
prompt.override = unbuildVars();
prompt.start();
// { db: { host: 'localhost' } } => DB_HOST=localhost
var buildVars = function (dest, obj, prefix) {
if (!prefix) {
prefix = '';
}
for (var prop in obj) {
var k = prop.toUpperCase();
var v = obj[prop];
if (v instanceof Object) {
dest = buildVars(dest, v, k + '_');
} else {
dest += prefix + k + '=' + v + '\n';
}
}
return dest;
};
prompt.get(schema, function (er, result) {
if (er) {
throw er;
}
fs.writeFileSync('.env', buildVars('NODE_ENV=development\n', result));
console.log('Thanks! You can change these later in the .env file');
});