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Terry Rosen tcrosen

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@tcrosen
tcrosen / webpack-feature-flags.md
Last active January 27, 2022 15:23
How to exclude development/test code from production builds in 30 seconds with Webpack

webpack.config.js

var webpack = require('webpack');

var featureFlagsPlugin = new webpack.DefinePlugin({
  __DEV__: !!process.env.DEV,
  __RELEASE__: !!process.env.RELEASE
});
@tcrosen
tcrosen / es6-intro-final.js
Last active January 18, 2016 03:10
const assign = Object.assign;
class Person {
constructor(props) {
assign(this, {
firstName: 'John',
lastName: 'Doe'
}, props);
}
@tcrosen
tcrosen / template-strings.js
Last active January 18, 2016 02:35
// Inline JS
getFullName() {
return `${this.firstName} ${this.lastName}`;
}
// Multiline!
getAddress() {
// Note: This will actually insert a newline, so you don't need \n
return `${this.streetNumber} ${this.streetName}
${this.city} ${this.postalCode}`;
@tcrosen
tcrosen / constructor-alternatives-1.js
Last active January 18, 2016 03:06
// Destructuring alternative
constructor(props = {}) {
const { firstName = 'John', lastName = 'Doe' } = props;
this.firstName = firstName;
this.lastName = lastName;
}
// Destructuring alternative
constructor(props) {
@tcrosen
tcrosen / class-the-old-way.js
Created January 17, 2016 23:53
function Person(props) {
this.firstName = props.firstName;
this.lastName = props.lastName;
}
Person.prototype.getFullName = function() {
return this.firstName + ' ' + this.lastName;
}
@tcrosen
tcrosen / basic-class-with-destructuring-default-params.js
Last active January 18, 2016 02:14
class Person {
constructor({ firstName = 'John', lastName = 'Doe' }) {
this.firstName = firstName;
this.lastName = lastName;
}
getFullName() {
return this.firstName + ' ' + this.lastName;
}
}
@tcrosen
tcrosen / basic-class-with-destructuring.js
Last active October 4, 2016 19:52
class Person {
constructor({ firstName, lastName }) {
this.firstName = firstName || 'John';
this.lastName = lastName || 'Doe';
}
getFullName() {
return this.firstName + ' ' + this.lastName;
}
}
@tcrosen
tcrosen / basic-class.js
Last active October 4, 2016 19:52
class Person {
constructor(props) {
this.firstName = props.firstName || 'John';
this.lastName = props.lastName || 'Doe';
}
getFullName() {
return this.firstName + ' ' + this.lastName;
}
}
@tcrosen
tcrosen / gist:32eb287ea7103264bc32
Created September 19, 2015 04:01
_.map(users, function(user) {
user.fullName = user.firstName + ' ' + user.lastName;
return user;
});
@tcrosen
tcrosen / queries.md
Created August 26, 2015 02:13
YQL Fantasy Sports Queries