Building a Google-Calendar-Style Week View Scheduler With One Coordinate Transform
Build a Google-Calendar-style week view scheduler in vanilla JS: CSS Grid frame, draggable events, 30-minute snapping and a live now-line explained.
Building a Google-Calendar-Style Week View Scheduler With One Coordinate Transform
A week-view calendar looks like the kind of component you install rather than write. Blocks floating at exact times, dragging one from Tuesday afternoon to Thursday morning, times snapping to half-hours as your hand moves, a red line marking right now — it reads as "go get FullCalendar." The Week View Scheduler snippet does all of it in about a hundred lines of vanilla JavaScript, and the reason it can is that the entire component is one linear equation , written once forwards for rendering and once backwards for dragging. Here it is live — grab any event block and drag it around the week: Grab the code, or open the full editor with live HTML/CSS/JS panels: Week View Scheduler on FWD Tools . The snippet is plain HTML, CSS, and JavaScript, but the same editor has one-click export buttons for React , Vue , Angular , and React + Tailwind if you'd rather drop it into a component-based project. In this post I'll walk through the whole thing A to Z : the grid frame, the trick that …
