Files
HowBadIsMyBatch/docs/SymptomsCausedByCOVIDLots/js/SymptomVsSymptomChartDataProvider.js
2023-11-08 22:31:08 +01:00

46 lines
1.5 KiB
JavaScript

class SymptomVsSymptomChartDataProvider {
// FK-TODO: extract utility class and test
static retainCommonKeys({ dict1, dict2 }) {
const commonKeys = SymptomVsSymptomChartDataProvider.#getCommonKeys(dict1, dict2);
return {
dict1: SymptomVsSymptomChartDataProvider.#retainKeysOfDict(dict1, commonKeys),
dict2: SymptomVsSymptomChartDataProvider.#retainKeysOfDict(dict2, commonKeys)
};
}
static getChartData({ prrByLotX, prrByLotY }) {
const { dict1: prrByLotXCommon, dict2: prrByLotYCommon } =
SymptomVsSymptomChartDataProvider.retainCommonKeys(
{
dict1: prrByLotX,
dict2: prrByLotY
});
return Object
.keys(prrByLotXCommon)
.map(
lot =>
({
x: prrByLotXCommon[lot],
y: prrByLotYCommon[lot]
}));
}
static #getCommonKeys(dict1, dict2) {
return Sets.intersection(
SymptomVsSymptomChartDataProvider.#getKeySet(dict1),
SymptomVsSymptomChartDataProvider.#getKeySet(dict2));
}
static #getKeySet(dict) {
return new Set(Object.keys(dict));
}
static #retainKeysOfDict(dict, keys2Retain) {
const entries2Retain =
Object
.entries(dict)
.filter(([key, _]) => keys2Retain.has(key));
return Object.fromEntries(entries2Retain);
}
}