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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | 3x 4x 4x 4x 4x 8x 4x 3x 4x 4x 4x 4x 4x 4x 4x 4x 4x 1x 1x 3x 3x 3x 2x 4x 7x 4x 4x 7x 4x 4x | import type { StickyFeatures, FeatureKey } from "@featurevisor/types";
import type { EventDetails } from "./emitter";
import type { DatafileReader } from "./datafileReader";
export function getParamsForStickySetEvent(
previousStickyFeatures: StickyFeatures = {},
newStickyFeatures: StickyFeatures = {},
replace,
): EventDetails {
const keysBefore = Object.keys(previousStickyFeatures);
const keysAfter = Object.keys(newStickyFeatures);
const allKeys = [...keysBefore, ...keysAfter];
const uniqueFeaturesAffected = allKeys.filter(
(element, index) => allKeys.indexOf(element) === index,
);
return {
features: uniqueFeaturesAffected,
replaced: replace,
};
}
export function getParamsForDatafileSetEvent(
previousDatafileReader: DatafileReader,
newDatafileReader: DatafileReader,
): EventDetails {
const previousRevision = previousDatafileReader.getRevision();
const previousFeatureKeys = previousDatafileReader.getFeatureKeys();
const newRevision = newDatafileReader.getRevision();
const newFeatureKeys = newDatafileReader.getFeatureKeys();
// results
const removedFeatures: FeatureKey[] = [];
const changedFeatures: FeatureKey[] = [];
const addedFeatures: FeatureKey[] = [];
// checking against existing datafile
for (const previousFeatureKey of previousFeatureKeys) {
if (newFeatureKeys.indexOf(previousFeatureKey) === -1) {
// feature was removed in new datafile
removedFeatures.push(previousFeatureKey);
continue;
}
// feature exists in both datafiles, check if it was changed
const previousFeature = previousDatafileReader.getFeature(previousFeatureKey);
const newFeature = newDatafileReader.getFeature(previousFeatureKey);
if (previousFeature?.hash !== newFeature?.hash) {
// feature was changed in new datafile
changedFeatures.push(previousFeatureKey);
}
}
// checking against new datafile
for (const newFeatureKey of newFeatureKeys) {
if (previousFeatureKeys.indexOf(newFeatureKey) === -1) {
// feature was added in new datafile
addedFeatures.push(newFeatureKey);
}
}
// combine all affected feature keys
const allAffectedFeatures: FeatureKey[] = [
...removedFeatures,
...changedFeatures,
...addedFeatures,
].filter((element, index, array) => array.indexOf(element) === index);
const details = {
revision: newRevision,
previousRevision,
revisionChanged: previousRevision !== newRevision,
features: allAffectedFeatures,
};
return details;
}
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