feat: added support for more units

lib/measurements/matcher.js

@@ -29,8 +29,10 @@ const TEMP_UNIT_DEG  = '°\\s*[FfCc]';
 const TEMP_UNIT_BARE = '[FfCc]';
 const WEIGHT_UNIT    = '(?:kg|g|oz|lbs?|ounces?|pounds?)';
 const VOLUME_UNIT    = '(?:cups?|tablespoons?|table\\s+spoons?|tbsp|teaspoons?|tsp|ml|mL|L|liters?|litres?|quarts?|gallons?|pints?|fl\\.?\\s*oz|fluid\\s+ounces?|parts\\s+by\\s+(?:volume|weight))';
-const TIME_UNIT      = '(?:minutes?|mins?|hours?|hrs?|days?|weeks?|months?|seconds?|secs?)';
+const TIME_UNIT      = '(?:minutes?|mins?|hours?|hrs?|days?|weeks?|months?|years?|seconds?|secs?)';
 const DIM_UNIT       = '(?:inch(?:es)?|in\\.?|cm|mm)';
+const PRESSURE_UNIT  = '(?:PSI|psi|kPa|bar)';
+const PH_UNIT        = '(?:pH)';
 
 // ─── Amount Parsing ───────────────────────────────────────
 
@@ -192,6 +194,7 @@ function normalizeUnit(unit) {
   if (/^weeks?$/.test(u)) return 'week';
   if (/^months?$/.test(u)) return 'month';
   if (/^seconds?$/.test(u) || /^secs?$/.test(u)) return 'second';
+  if (/^years?$/.test(u)) return 'year';
 
   // Dimension units
   if (/^inch(es)?$/.test(u) || u === 'in') return 'inch';
@@ -199,6 +202,14 @@ function normalizeUnit(unit) {
   if (u === 'mm') return 'mm';
   if (/^f(oo|ee)t$/.test(u) || u === 'ft') return 'ft';
 
+  // Pressure
+  if (u === 'psi') return 'psi';
+  if (u === 'kpa') return 'kPa';
+  if (u === 'bar') return 'bar';
+
+  // pH (normalizeUnit lowercases input, so 'pH' becomes 'ph')
+  if (u === 'ph') return 'pH';
+
   return u;
 }
 
@@ -208,8 +219,10 @@ function unitType(normalizedUnit) {
   if (['°F', '°C'].includes(normalizedUnit)) return 'temperature';
   if (['g', 'kg', 'oz', 'lb'].includes(normalizedUnit)) return 'weight';
   if (['cup', 'tablespoon', 'teaspoon', 'ml', 'L', 'quart', 'gallon', 'pint', 'fl oz', 'parts by volume', 'parts by weight'].includes(normalizedUnit)) return 'volume';
-  if (['minute', 'hour', 'day', 'week', 'month', 'second'].includes(normalizedUnit)) return 'time';
+  if (['minute', 'hour', 'day', 'week', 'month', 'year', 'second'].includes(normalizedUnit)) return 'time';
   if (['inch', 'cm', 'mm', 'ft'].includes(normalizedUnit)) return 'dimension';
+  if (['psi', 'kPa', 'bar'].includes(normalizedUnit)) return 'pressure';
+  if (normalizedUnit === 'pH') return 'pH';
   return null;
 }
 
@@ -535,6 +548,72 @@ function findCounts(text) {
   return results;
 }
 
+// ─── Pressure Matcher ─────────────────────────────────────
+
+/**
+ * Find pressure measurements in text.
+ *
+ * Handles: 11 PSI, 15 psi, 100 kPa
+ */
+function findPressures(text) {
+  const results = [];
+
+  const pressureRe = new RegExp(
+    `(${AMOUNT})\\s*(${PRESSURE_UNIT})\\b`,
+    'gi'
+  );
+
+  let m;
+  while ((m = pressureRe.exec(text)) !== null) {
+    const amount = parseAmount(m[1]);
+    const unit = normalizeUnit(m[2]);
+    results.push({
+      match: m[0],
+      index: m.index,
+      type: 'pressure',
+      amount,
+      unit,
+      approximate: typeof amount.approximate === 'boolean' ? amount.approximate : false,
+      alt: null,
+    });
+  }
+
+  return results;
+}
+
+// ─── pH Matcher ───────────────────────────────────────────
+
+/**
+ * Find pH measurements in text.
+ *
+ * Handles: 4.0 pH, 4.0 ph, 3.5 pH
+ */
+function findPH(text) {
+  const results = [];
+
+  const phRe = new RegExp(
+    `(${AMOUNT})\\s*(${PH_UNIT})\\b`,
+    'g'
+  );
+
+  let m;
+  while ((m = phRe.exec(text)) !== null) {
+    const amount = parseAmount(m[1]);
+    const unit = normalizeUnit(m[2]);
+    results.push({
+      match: m[0],
+      index: m.index,
+      type: 'pH',
+      amount,
+      unit,
+      approximate: typeof amount.approximate === 'boolean' ? amount.approximate : false,
+      alt: null,
+    });
+  }
+
+  return results;
+}
+
 // ─── Main Matcher ─────────────────────────────────────────
 
 /**
@@ -552,6 +631,8 @@ function findAllMeasurements(text) {
     ...findWeights(text),
     ...findVolumes(text),
     ...findTimes(text),
+    ...findPressures(text),
+    ...findPH(text),
     ...findCounts(text),
   ];
 
@@ -595,6 +676,8 @@ module.exports = {
   findWeights,
   findVolumes,
   findTimes,
+  findPressures,
+  findPH,
   findCounts,
 
   // Parsing utilities (exported for testing)

lib/measurements/plugin.js

@@ -43,7 +43,10 @@ function unitLabel(unit, plural) {
     'day': plural ? 'days' : 'day',
     'week': plural ? 'weeks' : 'week',
     'month': plural ? 'months' : 'month',
+    'year': plural ? 'years' : 'year',
     'second': plural ? 'seconds' : 'sec',
+    'psi': 'PSI', 'kPa': 'kPa', 'bar': 'bar',
+    'pH': 'pH',
     'parts by volume': 'parts by volume',
     'parts by weight': 'parts by weight',
   };
@@ -108,6 +111,10 @@ function toMetricValue(value, unit) {
     case 'inch': return { value: value * 2.54, unit: 'cm' };
     case 'cm':   return { value, unit: 'cm' };
     case 'mm':   return { value, unit: 'mm' };
+    // Pressure
+    case 'psi':  return { value: value * 6.89476, unit: 'kPa' };
+    case 'kPa':  return { value, unit: 'kPa' };
+    case 'bar':  return { value: value * 100, unit: 'kPa' };
     default:     return { value, unit };
   }
 }
@@ -137,6 +144,10 @@ function toImperialValue(value, unit) {
     case 'cm':   return { value: value / 2.54, unit: 'inch' };
     case 'mm':   return { value: value / 25.4, unit: 'inch' };
     case 'inch': return { value, unit: 'inch' };
+    // Pressure
+    case 'kPa':  return { value: value / 6.89476, unit: 'psi' };
+    case 'bar':  return { value: value * 14.5038, unit: 'psi' };
+    case 'psi':  return { value, unit: 'psi' };
     default:     return { value, unit };
   }
 }
@@ -317,6 +328,7 @@ function collapsedTime(value, unit) {
   if (unit === 'day') return formatValueUnit(value, 'day');
   if (unit === 'week') return formatValueUnit(value, 'week');
   if (unit === 'month') return formatValueUnit(value, 'month');
+  if (unit === 'year') return formatValueUnit(value, 'year');
   if (unit === 'second') return formatValueUnit(value, 'second');
   const mins = toMinutes(value, unit);
   if (mins === null) return formatValueUnit(value, unit);
@@ -327,6 +339,7 @@ function expandedTime(value, unit) {
   if (unit === 'day') return formatValueUnit(value, 'day');
   if (unit === 'week') return formatValueUnit(value, 'week');
   if (unit === 'month') return formatValueUnit(value, 'month');
+  if (unit === 'year') return formatValueUnit(value, 'year');
   if (unit === 'second') return formatValueUnit(value, 'second');
   const mins = toMinutes(value, unit);
   if (mins === null) return formatValueUnit(value, unit);
@@ -350,7 +363,7 @@ function generateTexts(measurement) {
   const { type, amount, unit, approximate } = measurement;
 
   // Non-convertible units
-  if (unit === 'parts by volume' || unit === 'parts by weight') {
+  if (unit === 'parts by volume' || unit === 'parts by weight' || unit === 'pH') {
     const text = formatMeasurementText(amount, unit, approximate);
     return { defaultText: text, altText: text };
   }

recipes/Kombucha Scoby.md

@@ -25,6 +25,6 @@ draft: true
 
 #recipe #diet/plant_based  #diet/vegetarian
 
-[^1]:  can be substituted with store bought kombucha for first scoby
+[^1]: can be substituted with store bought kombucha for first scoby
-[^2]:  tap water works but is slower and has a higher chance of failure due to chlorine/fluoride in water
+[^2]: tap water works but is slower and has a higher chance of failure due to chlorine/fluoride in water
-[^3]: sweet to sour balance matches [Kombucha Calibrator](/recipe/kombucha-calibrator/) or ph is below then 4.0
+[^3]: sweet to sour balance matches [Kombucha Calibrator](/recipe/kombucha-calibrator/) is under a 4.0 pH