Create sublime text completions for nightwatch.js from the console

completions.js

var methods = document.querySelectorAll('.assertions .apimethod');
methods = Array.from(methods);
var assertions = methods.map(function(method){
	var args = Array.from(method.querySelectorAll('table code'));
	return {
		name: method.querySelector('h3 code').textContent,
		args: args.map(function(table){ return table.textContent}),
	};
});

assertions = assertions
	.map(function(assertion){ 
		return {trigger: '.' + assertion.name, contents: '.assert.' + assertion.name + '(' + assertion.args.map(function(arg, idx) { return '${' + (idx + 1) + ':' + (idx === 0 ? '' : ', ') + arg + '}'}).join('') + ')'}
	});

var commands = Array.from(document.querySelectorAll('.commands .apimethod, .protocolcommands .apimethod'))
	.map(function(method){
		var args = Array.from(method.querySelectorAll('table code'));
		return {
			name: method.querySelector('h3 code').textContent,
			args: args.map(function(table){ return table.textContent}),
		};
	})
	.map(function(command) {
		return {trigger: '.' + command.name, contents: '.' + command.name + '(' + command.args.map(function(arg, idx) { return '${' + (idx + 1) + ':' + (idx === 0 ? '' : ', ') + arg + '}'}).join('') + ')'}
	});

copy( JSON.stringify({ scope: 'source.js', completions: assertions.concat(commands)}, null, '\t'))

Note, the formatted will be in the clipboard