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Marc-André Bombeck
79ac5670c7
A ratio (cholesterol/HDL, albumin/globulin) or an index such as INR has no unit, and every lab write path refuses a numeric value without one. That refusal stays: an empty unit usually means the extraction dropped it. Instead the value is stored as the UCUM unity "1", chosen on purpose. The unit field when a marker is defined, on a scanned report's row and in the document review edit now carries a "No unit" checkbox that sets "1". The CSV import takes 1 in the unit column, as the template and the import sheet say; an empty cell is still refused, and other spellings such as "ratio" or "-" stay the literal unit they always were. "1" compares as a unit of its own: it matches only itself, so it is refused under a marker kept in mg/dL and the other way round. Refs #1313
62 lines
2.0 KiB
TypeScript
62 lines
2.0 KiB
TypeScript
/**
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* Shared lab-value number formatting.
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*
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* Every surface that prints a lab reading (the list card, the detail history,
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* the chart tooltip, the doctor report PDF, the clinician share page) prints
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* it through here, so a reading reads the same everywhere. The precision rule
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* is the recorded-number rule in `src/lib/format/recorded-number.ts`: a
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* reading keeps every digit it was stored with (TSH 0.004, PSA 0.034, a
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* troponin of 0.0012 never shortened), and a reading converted from the unit
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* its report printed keeps the precision of the printed figure.
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*
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* The digits themselves come from the caller's locale number formatter, so a
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* German reader sees "1,8 mIU/L" where an English one sees "1.8 mIU/L". This
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* module only decides the precision.
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*/
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import { withLabUnit } from "@/lib/labs/dimensionless";
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import {
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formatRecordedNumber,
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type FractionDigitsFormat,
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} from "@/lib/format/recorded-number";
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/**
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* A lab number in the reader's locale. `printed` is the figure the source
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* report printed when the number was converted from it (`sourceValue`).
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*/
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export type LabNumberFormat = (
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value: number,
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printed?: number | null,
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) => string;
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export function formatLabValue(
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value: number,
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formatNumber: FractionDigitsFormat,
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printed?: number | null,
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): string {
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return formatRecordedNumber(value, formatNumber, printed);
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}
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/**
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* Render a reading's display value: a qualitative row (numeric `value` is
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* null) shows its `valueText` verbatim; a numeric row shows the formatted
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* number plus its unit (none for a dimensionless reading). One helper so the list card, the history rows, and
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* the detail header stay consistent.
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*/
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export function formatLabReading(
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reading: {
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value: number | null;
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valueText: string | null;
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unit: string;
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sourceValue?: number | null;
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},
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formatNumber: LabNumberFormat,
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): string {
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if (reading.value === null) {
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return reading.valueText ?? "";
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}
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return withLabUnit(
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formatNumber(reading.value, reading.sourceValue),
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reading.unit,
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);
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}
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