Replace Placeholders

script

//This action is written as an arrow function (https://hacks.mozilla.org/2015/06/es6-in-depth-arrow-functions/) - it allows me to stop running code with "return" instead of stacking everything inside of "if, else" statements.
(() => {
	//collect «placeholders» as an object 
	let placeholders = [];
	let draftsContent = editor.getText();
	let matches = draftsContent.match(/«(.+?)»/g);

	for (match in matches) {
		placeholders.push(matches[match]);
	}

	if (placeholders.length === 0) {
		context.fail('No placeholders found');
		return;
	}
	
	var p = Prompt.create();
	p.title = "Replace Placeholders";
	p.message = "Here is a list of all the «placeholders» in this draft.";
	
	placeholders.forEach(function (placeholder) {
		p.addTextField(placeholder, placeholder.replace("«", "").replace("»", ""), "");
	});

	p.addButton("Continue");
	p.show();
	
	if (p.buttonPressed !== "Continue") {
		context.cancel("Prompt was cancelled, user does not wish to continue;");
		return;
	}
	
	console.log(JSON.stringify(p.fieldValues));
	
	let newText = draftsContent;
	placeholders.forEach(function (placeholder) {
		console.log(placeholder);
		console.log(p.fieldValues[placeholder]);
		//replace any placeholder if they exist
		newText = newText.replace(placeholder, p.fieldValues[placeholder]);
	});
	
	//create a new draft and load it.
	let d = Draft.create();
	d.content = newText;
	d.update();
	editor.load(d);
})();