Template

src/template/parser/parser.ts — parseVariableSource("{{a.b | currency:ARS ?? \"fallback\"}}"), tokenizeVariablesInText.

src/template/resolver/resolver.ts — safeResolve(data,path) (own props, blocks __proto__), formatValue (currency, date:dd/MM/yyyy, number, percent, upper/lower), renderTemplate(doc,data,opts) with diagnostics and repeat-row cloning (repeat:{path,alias,templateRowId}), inspectVariables.

src/template/formatter/index.ts — formatters registry, registerFormatter.

See tests/fixtures/12-* and 16-repeat-rows.