Cleanup timeseries

app/scripts/timeseries.ts

@@ -9,11 +9,7 @@ import settings from "@/settings"
 /**
  * Find some even points within a range of years.
  *
- * E.g:
- *   (1830, 2024) => [1850, 1900, 1950, 2000]
- *   (1967, 1989) => [1970, 1980]
- *   (1999, 1999) => [1999]
- *   (1989, 1999) => [1990, 1995]
+ * E.g: (1830, 2024) => [1850, 1900, 1950, 2000]
  */
 export function calculateYearTicks(min: number, max: number) {
     // Find a reasonable step size
@@ -38,7 +34,7 @@ export const getSeries = () => fromPairs(getTimeDataPairs()) as YearSeries
 export function getSeriesSelected() {
     const corpora: { time?: YearSeries }[] = settings.corpusListing.selected
     // `pickBy` removes zeroes.
-    const series = corpora.map((corpus) => ("time" in corpus ? (pickBy(corpus.time) as YearSeries) : {}))
+    const series = corpora.map((corpus) => ("time" in corpus ? pickBy(corpus.time) : {}))
     return sumYearSeries(...series)
 }
 
@@ -54,9 +50,9 @@ export function getSpan() {
     return { min: timeData[0][0], max: timeData[timeData.length - 1][0] }
 }
 
-/** Numeric data by year. */
-type YearSeries = Record<number, number>
-
 /** Sum numbers by year. */
 export const sumYearSeries = (...series: YearSeries[]): YearSeries =>
     assignWith({}, ...series, (sum: number | undefined, value: number) => (sum || 0) + value)
+
+/** Numeric data by year. */
+export type YearSeries = Record<number, number>