Justin Edmund
149f30c538
We extracted utility functions from the Party.svelte component in order to make things more DRY.
66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
/**
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* Job skills transformation utilities
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* Handles converting between object and array formats for job skills
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*/
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import type { JobSkill } from '$lib/types/api/entities'
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export interface JobSkillsMap {
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[slot: string]: JobSkill | null | undefined
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}
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export interface JobSkillPayload {
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id: string
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slot: number
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}
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/**
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* Converts job skills object to API array format
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* Filters out null/undefined values and adds slot numbers
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*
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* @param skillsMap - Object mapping slot numbers to job skills
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* @returns Array of job skill payloads ready for API submission
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*
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* @example
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* ```typescript
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* const skillsMap = { '0': skill1, '1': skill2, '2': null }
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* const payload = transformSkillsToArray(skillsMap)
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* // Returns: [{ id: 'skill1-id', slot: 0 }, { id: 'skill2-id', slot: 1 }]
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* ```
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*/
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export function transformSkillsToArray(skillsMap: JobSkillsMap): JobSkillPayload[] {
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return Object.entries(skillsMap)
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.filter(([_, skill]) => skill !== null && skill !== undefined)
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.map(([slotKey, skill]) => ({
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id: skill!.id,
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slot: parseInt(slotKey)
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}))
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}
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/**
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* Updates a skill in a specific slot (returns new object, immutable)
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*
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* @param currentSkills - Current job skills map
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* @param slot - Slot number to update
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* @param skill - Job skill to set, or null to remove
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* @returns New skills map with the update applied
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*
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* @example
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* ```typescript
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* const updated = updateSkillInSlot(currentSkills, 0, newSkill)
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* const removed = updateSkillInSlot(currentSkills, 1, null)
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* ```
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*/
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export function updateSkillInSlot(
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currentSkills: JobSkillsMap,
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slot: number,
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skill: JobSkill | null
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): JobSkillsMap {
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const updated = { ...currentSkills }
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if (skill === null) {
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delete updated[String(slot)]
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} else {
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updated[String(slot)] = skill
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}
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return updated
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}
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