by noromanba
2015-12-01 [2015/12/01 08:55:23]
同上
/*
* @title Google検索の結果にFacebookのシェア数を表示するブックマークレット
* @description 同上
* @include https://www.google.tld/search*
* @contributor laiso http://let.hatelabo.jp/laiso/let/hLHUqMrSn_0y (Fork of)
* @license MIT License http://opensource.org/licenses/MIT
* @javascript_url
*/
/* jshint esversion:6 */ // lame
// - working w/ javascript:-context for https; avoid unsafe loader
// - unified quote to single
// - Arrow-func format unified: () => {}
// TODO
// - unify variables; only "var" or "let"|"const"
// TBD
// - apply paging: pjax or Autopaging
((document) => {
'use strict';
function queryIds(nodes, text) {
// FIXME assert nodes or avoid ref-exp
var url = nodes.pop().href.replace(/,/g, '%252C');
var t = text + url;
// TODO w/ assert
// move to function top; perhups gurad-block
if (nodes.length === 0) {
var q = t.replace(/#/g, '%23').replace(/&/g, '%26').replace(/=/g, '%3D').replace(/\?/g, '%3F');
return q;
}
t += ',';
return queryIds(nodes, t);
}
function loadJSONP(url) {
var script = document.createElement('SCRIPT');
script.src = url;
document.body.insertBefore(script, null);
}
function createCounter(info) {
const STYLE = [
'padding: 0 0.5em;',
'margin: 0 0.5em;',
'color: #fff;',
'ntext-shadow: 0 1px 0 white;',
'background-color: #4e69a2;',
'font-weight: bold;',
'text-decoration-line: none;'
].join('\n');
var counter = document.createElement('A');
counter.setAttribute('style', STYLE);
if (info) {
counter.href = info.id;
counter.textContent = info.shares || 0;
} else {
counter.style.setProperty('background-color', '#FF1000');
counter.textContent = 'X';
}
return counter;
}
function infoFrom(response, key) {
// TODO refactor
var id = Object.keys(response).filter((k) => {
return key.indexOf(k) > -1;
})[0];
return response[id];
}
window.callback = (data) => {
if (data.error) {
alert('[FB]' + data.error.message);
return;
}
nodes.map((a) => { // little strangeness
let u;
try { // TBD replace to assert
u = decodeURIComponent(a.href);
} catch (e) {
u = a.href;
}
var url = u.replace(/,/g, '\u00252C');
var info = infoFrom(data, url);
var c = createCounter(info);
var parentNode = a.parentNode;
parentNode.style.setProperty('overflow', 'visible');
parentNode.appendChild(c);
});
};
var nodes = Array.from(document.querySelectorAll('h3.r > a[onmousedown]'));
var ids = queryIds(nodes.slice(), '');
loadJSONP('https://graph.facebook.com/?ids=' + ids + '&callback=callback');
})(document);