ts-07-mathjs-evaluate

1.000

7/7 tests· math

Proposed solution

```typescript
import { compile } from "mathjs";

export function evaluateAll(expr: string, scopes: Record<string, number>[]): number[] {
  const compiledExpr = compile(expr);
  return scopes.map(scope => compiledExpr.evaluate(scope));
}
```

Test output (stdout)

TAP version 13
# Subtest: evaluates with multiple variables across scopes
ok 1 - evaluates with multiple variables across scopes
  ---
  duration_ms: 1.638597
  type: 'test'
  ...
# Subtest: preserves scope order
ok 2 - preserves scope order
  ---
  duration_ms: 0.192811
  type: 'test'
  ...
# Subtest: uses built-in functions
ok 3 - uses built-in functions
  ---
  duration_ms: 0.489845
  type: 'test'
  ...
# Subtest: empty scopes returns empty array
ok 4 - empty scopes returns empty array
  ---
  duration_ms: 0.087731
  type: 'test'
  ...
# Subtest: single scope
ok 5 - single scope
  ---
  duration_ms: 0.104961
  type: 'test'
  ...
# Subtest: result is a number array
ok 6 - result is a number array
  ---
  duration_ms: 0.120372
  type: 'test'
  ...
# Subtest: compiles once and reuses for differing variable values
ok 7 - compiles once and reuses for differing variable values
  ---
  duration_ms: 0.112211
  type: 'test'
  ...
1..7
# tests 7
# suites 0
# pass 7
# fail 0
# cancelled 0
# skipped 0
# todo 0
# duration_ms 389.983261

System prompt

You are an expert programmer. Solve the task exactly as specified. Output your solution as fenced code blocks using the required file name(s) and the exact function/type signatures requested. Prefer correctness; do not include prose outside code unless asked.