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View get-selector-parent.js
const cssTree = require("css-tree@1.0.0-alpha.29");
function getSelectorParent(selector) {
const selectorAst = cssTree.parse(selector, { context: 'selector' });
// solution #1
selectorAst.children.prevUntil(selectorAst.children.tail, (node, item, list) => {
return node.type === 'Combinator' || node.type === 'WhiteSpace';
View minimal-analytics-snippet.js
(function (context, trackingId, options) {
const history = context.history;
const doc = document;
const nav = navigator || {};
const storage = localStorage;
const encode = encodeURIComponent;
const pushState = history.pushState;
const typeException = 'exception';
const generateId = () => Math.random().toString(36);
const getId = () => {
View gist:20b8a0923793d99b682f
server {
root /Users/peterbe/dev/MOZILLA/BALROG/balrog-ui/dist;
proxy_set_header Host $host;
location ^~ /api/ {
pstoica / OnBlurComponent.jsx
Last active Mar 24, 2020
onBlur for entire react element
View OnBlurComponent.jsx
function OnBlurComponent({ onBlur }) {
const handleBlur = (e) => {
const currentTarget = e.currentTarget;
// Check the newly focused element in the next tick of the event loop
setTimeout(() => {
// Check if the new activeElement is a child of the original container
if (!currentTarget.contains(document.activeElement)) {
// You can invoke a callback or add custom logic here
acdha /
Last active Jul 29, 2016
Video caption conversion script using the PBS pycaption library
#!/usr/bin/env python
# encoding: utf-8
"""Convert caption files to different formats
One or more caption files will be converted to the specified output format, saved next to the input file
Requires the pycaption library from PBS:
from __future__ import absolute_import, print_function, unicode_literals
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