34 lines
711 B
TypeScript
34 lines
711 B
TypeScript
/**
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* ActivityLevelDisplay
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*
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* Deterministic mapping of engagement rates to activity level labels.
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*/
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export class ActivityLevelDisplay {
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/**
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* Maps engagement rate to activity level label.
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*/
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static levelLabel(engagementRate: number): string {
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if (engagementRate < 20) {
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return 'Low';
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} else if (engagementRate < 50) {
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return 'Medium';
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} else {
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return 'High';
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}
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}
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/**
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* Maps engagement rate to activity level value.
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*/
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static levelValue(engagementRate: number): 'low' | 'medium' | 'high' {
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if (engagementRate < 20) {
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return 'low';
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} else if (engagementRate < 50) {
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return 'medium';
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} else {
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return 'high';
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}
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}
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}
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