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plans: log String wrapper + number-to-string sci notation iteration
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giles
2026-04-25 14:27:25 +00:00
parent 4d00250233
commit 79f3e1ada2
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plans/js-on-sx.md
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@@ -158,6 +158,8 @@ Each item: implement → tests → update progress. Mark `[x]` when tests green.
Append-only record of completed iterations. Loop writes one line per iteration: date, what was done, test count delta.
- 2026-04-25 — **String wrapper objects + number-to-string sci notation.** `js-to-string` now returns `__js_string_value__` for String wrapper dicts instead of `"[object Object]"`. `js-loose-eq` coerces String wrapper objects (new String()) to primitive before comparison. String `__callable__` sets `__js_string_value__` + `length` on `this` when called as constructor. New `js-expand-sci-notation` helper converts mantissa+exp-n to decimal or integer form; `js-number-to-string` now expands `1e-06→0.000001`, `1e+06→1000000`, fixes `1e21→1e+21`. String test262 subset: 45→58/100. 529/530 unit, 148/148 slice.
- 2026-04-25 — **String fixes (constructor, indexOf/split/lastIndexOf multi-arg, fromCodePoint, matchAll, js-to-string dict fix).** Added `String.fromCodePoint` (fixes 1 ReferenceError); fixed `indexOf`/`lastIndexOf`/`split` to accept optional second argument; added `matchAll` stub; wired string property dispatch `else` fallback to `String.prototype` (fixes `'a'.constructor === String`); fixed `js-to-string` for dicts to return `"[object Object]"` instead of recursing into circular `String.prototype.constructor` structure. Scoreboard: String 42→43, timeouts 32→13. Total 162→202/300 (54%→67.3%). 529/530 unit, 148/148 slice.
- 2026-04-25 — **Math methods (trig/log/hyperbolic/bit ops).** Added 22 missing Math methods to `runtime.sx`: `sin`, `cos`, `tan`, `asin`, `acos`, `atan`, `atan2`, `sinh`, `cosh`, `tanh`, `asinh`, `acosh`, `atanh`, `exp`, `log`, `log2`, `log10`, `expm1`, `log1p`, `clz32`, `imul`, `fround`. All use existing SX primitives. `clz32` uses log2-based formula; `imul` uses modulo arithmetic; `fround` stubs to identity. Addresses 36x "TypeError: not a function" in built-ins/Math (43% → ~79% expected). 529/530 unit (unchanged), 148/148 slice. Commit `5f38e49b`.