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NMEA-PARSER: v2.2.1 patch to GGA metadata (avoiding null values) #64

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Merged
crisconru merged 1 commit into from
Oct 22, 2025
Merged

NMEA-PARSER: v2.2.1 patch to GGA metadata (avoiding null values) #64

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2 changes: 1 addition & 1 deletion packages/nmea-parser/package.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "@coremarine/nmea-parser",
"version": "2.2.0",
"version": "2.2.1",
"description": "Library to parse NMEA 0183 sentences",
"author": "CoreMarine",
"license": "MIT",
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41 changes: 25 additions & 16 deletions packages/nmea-parser/src/nmea-metadata.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -61,34 +61,43 @@ const metadataGGA = (sentence: NMEASentence): NMEASentence => {
const field = sentence.payload[index]
// UTC Position
if (field.name === 'utc_position') {
const utcPosition = field.value as string
const timestamp = getUTCPosition(utcPosition)
if (timestamp !== null) {
sentence.payload[index].metadata = { timestamp }
sentence.metadata = { ...sentence.metadata, timestamp }
const utcPosition = field.value
if (typeof utcPosition === 'string') {
const timestamp = getUTCPosition(utcPosition)
if (timestamp !== null) {
sentence.payload[index].metadata = { timestamp }
sentence.metadata = { ...sentence.metadata, timestamp }
}
}
}
// Latitude
if (field.name === 'latitude') {
const latitude = field.value as string
const letter = sentence.payload[index + 1].value as string
const degrees = getLatitudeDegrees(latitude, letter)
sentence.payload[index].metadata = { degrees }
sentence.metadata = { ...sentence.metadata, latitude: degrees }
const latitude = field.value
if (typeof latitude === 'string') {
const letter = sentence.payload[index + 1].value as string
const degrees = getLatitudeDegrees(latitude, letter)
sentence.payload[index].metadata = { degrees }
sentence.metadata = { ...sentence.metadata, latitude: degrees }
}
continue
}
// Longitude
if (field.name === 'longitude') {
const longitude = field.value as string
const letter = sentence.payload[index + 1].value as string
const degrees = getLongitudeDegrees(longitude, letter)
sentence.payload[index].metadata = { degrees }
sentence.metadata = { ...sentence.metadata, longitude: degrees }
const longitude = field.value
if (typeof longitude === 'string') {
const letter = sentence.payload[index + 1].value as string
const degrees = getLongitudeDegrees(longitude, letter)
sentence.payload[index].metadata = { degrees }
sentence.metadata = { ...sentence.metadata, longitude: degrees }
}
continue
}
// Quality
if (field.name === 'quality') {
sentence.metadata = { ...sentence.metadata, quality: getQuality(field.value as Uint8) }
const quality = field.value
if (typeof quality === 'number') {
sentence.metadata = { ...sentence.metadata, quality: getQuality(quality) }
}
// continue
}
// Rest
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