SpotWikiEdit.js

//SpotWikiEdit
var body_tag = document.getElementsByTagName("body")[0]
body_tag.setAttribute("onmouseup", "MouseUP()")

function MouseUP(){
	console.log("Checking event");
	var wiki_domain = "wikipedia.org";
	console.log(wiki_domain);
	console.log("Getting into the functions");
	if(window.getSelection().toString().length){
    	var exactText = window.getSelection().toString();
    	var replace_text = prompt(exactText);
    	console.log("Replace text")
    	console.log(replace_text);
    	var content = window.getSelection().getRangeAt(0);
    	var content_string = content.startContainer.nodeValue;
    	var content_edited_string = content_string.substring(0, content.startOffset) + replace_text + content_string.substring(content.endOffset);
        get_csrf(exactText, content.startOffset, replace_text);
	}
}

function get_title(csrf_token, exactString, startOffset, replace_text){
	console.log("Getting page title..")
	var current_url = window.location.href;
	console.log(current_url);
	var url_list = current_url.split("/wiki/");
	console.log(url_list);
	if (url_list.length > 1){
		var wiki_index = url_list.indexOf('wiki')
		var title = url_list[1];
		console.log(title);
		var domain = url_list[0];
		var wiki_domain = "wikipedia.org";
		if (domain.includes(wiki_domain)){
			get_page_content(csrf_token, title, exactString, startOffset, replace_text)
		}
	}
}

function get_page_content(csrf_token, title, exactString, startOffset, replace_text){
	var params = {
		action: 'query',
		titles: title,
		prop: 'revisions',
		formatversion: 2,
		rvprop: 'content',
		rvslots: '*',
		token: csrf_token,
		format: 'json'
	},
	api = new mw.Api();

	api.get( params ).done( function ( data ) {
		var content = data.query.pages[0].revisions[0].slots.main.content;
		var before_content = content.substring(0, startOffset);
		var content_edited_string = content.substring(startOffset);
		content_edited_string = content_edited_string.replace(" "+exactString+" ", " "+replace_text+" ");
		complete_content = before_content + content_edited_string;
		edit_request(csrf_token, title, complete_content);
	} );	
}

function get_csrf(exactString, startOffset, replace_text){
	var params = {
		action: 'query',
		meta: 'tokens',
		type: 'csrf',
		format: 'json'
	},
	api = new mw.Api();

	api.get( params ).done( function ( data ) {
		get_title(data.query.tokens.csrftoken, exactString, startOffset, replace_text);
	} );	
}


function edit_request(csrf_token, title, content_edited_string){
	console.log("Making edit request..")
    api = new mw.Api();
    params = {
        action: "edit",
        title: title,
        text: content_edited_string,
        token: csrf_token,
        format: "json"
    };
    console.log(params);
	api.post( params ).done( function ( data ) {
		console.log("Done!")
	
	} );
}