Vladimir olvnikon

olvnikon / function-to-window.js

Created October 6, 2017 11:24

[AST + JSShiftCode] - "function name" to "window.name = function"

	function isOnTheBody(path) {
	return path.scope.parent.isGlobal;
	}

	function transform(j, path) {
	const propName = path.value.id.name;
	const params = path.value.params;
	const body = path.value.body;

	j(path).replaceWith(

olvnikon / directive-to-component-transform.js

Last active October 6, 2017 11:30

[AST + JSShiftCode] - AngularJS 1.x directive to component

	const DIRECTIVE_TO_COMPONENT = {
	scope: "bindings"
	};
	const DEPRECATED_PROPS = ["restrict", "replace", "bindToController"];
	const DIRECTIVE_UNIQUE_PROPS = ["link", "compile", "multiElement", "priority", "templateNamespace", "terminal"];
	function transform(j, path) {
	const directiveDeclaration = path.value.arguments[1];
	const directiveProperties = directiveDeclaration.body.body[0].argument.properties;
	const newProps = directiveProperties.filter(prop => !DEPRECATED_PROPS.includes(prop.key.name));

olvnikon / 1-one-row-expressions.js

Last active April 16, 2019 06:48

Javascript tricky questions. Check yourself. Or destroy any interviewee.

	// https://jsfiddle.net/vk35ok2o/50/
	console.log('typeof 1/0 => ', typeof 1/0);
	console.log('typeof (1/0) => ', typeof (1/0));
	console.log('1/0 => ', 1/0);
	console.log('"Hello" * 2 => ', "Hello" * 2);
	console.log('typeof ("Hello" * 2) => ', typeof ("Hello" * 2));
	console.log('typeof "Hello" * 2 => ', typeof "Hello" * 2);
	console.log('typeof undefined => ', typeof undefined);
	console.log('typeof null => ', typeof null);
	console.log('typeof function(){} => ', typeof function(){});