Workout: plate loading per set row — the plates for each row's weight, from the plates you own (No bar for Smith machines, #138)

[kurktchiev]

What

A plate line under each set row of a plate-loaded exercise: the plates that make that row's weight, from the plates the user owns.

• Barbell work: what goes on each side beyond the bar — 45 + 5 per side. The empty bar reads Bar only.
• One stack — a dip belt, a landmine, a plate-loaded machine, a sled, or a body-weight exercise with added weight — reads Load 25.
• A weight the inventory cannot make says so: … · 2.5 lb short.
• The line appears on the first loaded row and wherever the stack changes from the loaded row before it (warm-up ramps and drop-sets included), so three equal work sets show their plates once. What to strip and what to add rides along (−10 +25); the compact workout view keeps the stack and drops the moves.
• Per-side (unilateral) barbell exercises load from the sides' shared bar while both sides agree.

It replaces the one-line "Bar 45 lb · 50 lb per side" chip, which only ever described one set and never said which plates.

Settings and per-exercise choices

• Settings → Equipment → Plates: pairs of each size you own, per unit. Absent = the standard set (six pairs of each common size), so nothing changes for anyone who never opens it. A home gym with one pair of 45s is never told to use two: heaviest-first when that lands exactly, otherwise the fewest plates that hit the weight, otherwise the closest load below and what is missing.
• ⋯ → Plate loading (also in the exercise detail and routine config sheets): per side / single stack / off, the bar or base weight, and No bar — an explicit 0 in barWeights, which is what Being able to set Smith bar to 0 kg/lb. #138 asked for (a counterbalanced Smith machine). Deleting the key stays the way back to the default, so no existing profile changes meaning.
• The default kind comes from the equipment: bars → per side; body weight, "weighted" and sleds → single stack; dumbbells, kettlebells, cables, pin machines and bands → off.

Unit switch

convertStateUnit used to convert bar weights like any other number, so a 45 lb bar became a 20.5 kg one and, with a kg plate set, every row read "1 kg short". A bar is a stamped object: an override equal to the old unit's default drops out so the new default applies (45 lb → the 20 kg bar, 25 lb EZ → 10 kg, and back); an explicit 0 stays 0; a custom bar still converts (33 lb → 15 kg). "Keep the numbers, change the label" is untouched.

State

S.plates ({ lb: { 45: 1, 35: 1, … }, kg: { … } }, per unit like the bar weight — no conversion on a unit switch) and S.loadKind ({ exId: 'pairs' | 'single' | 'none' }), both key-union merged in sync-merge.js like barWeights and exNotes. Logged weights stay totals; everything here is display.

Tests

lib/plates.test.js (inventory, stack search incl. the non-greedy case, delta, kind, base weight, row load), rendered rows in views/Workout.plates.test.jsx (ramp, bar only, short, no bar, single stack, dumbbell, drop-set, per-side lunge, band, compact), both sheets in sheets.plates.test.jsx, units.test.js for the bar rule. 20 new strings in all 14 packs, 2 dead ones removed, check-locales in sync, pt-BR guard re-pinned (655 overrides / 666 inherited). fmtPlate keeps the quarter (1.25, 21.25) that fmtNum rounds away.

Three commits, each standalone: the feature, the unit-switch rule, and a second round after training on it (per-side rows, + between plates, bands).

Closes #138.

🤖 Generated with Claude Code

[DuarteSantos8]

Thanks @kurktchiev, plate loading per row is in, together with the 45 lb -> 20.5 kg bar fix you found along the way.

One change you should know about because your fork writes the old shape: S.loadKind entries are now {kind, _ts} and S.plates[unit] is {…pairs, _ts}, and "Back to the standard set" writes {_ts} instead of deleting the key. That is how balanceOverrides already sync, so the choice made last on one device survives a set logged on the other. Bare strings and unstamped lists from your builds still read.

Follow-ups on top: a typo like 99999 no longer stalls the screen while the plate line works out what can't be loaded, converting kg <-> lb keeps each unit's own plate list, the ⋯ menu only names a bar for bar exercises, and the plate line mirrors in Arabic.

Released in v1.3.9: https://github.com/DuarteSantos8/openGym/releases/tag/v1.3.9