All files / src/git branch-naming.ts

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/**
 * Branch Naming Utility
 *
 * Pure functions for computing deterministic branch names
 * in the initiative → phase → task branch hierarchy.
 */
 
/**
 * Task categories that run on the project's default branch (no initiative branch needed).
 */
export const PLANNING_CATEGORIES = ['research', 'discuss', 'plan', 'detail', 'refine'] as const;
 
/**
 * Task categories that require an initiative branch.
 */
export const EXECUTION_CATEGORIES = ['execute', 'verify', 'merge', 'review'] as const;
 
/**
 * Check if a task category is a planning category (runs on default branch).
 */
export function isPlanningCategory(category: string): boolean {
  return (PLANNING_CATEGORIES as readonly string[]).includes(category);
}
 
/**
 * Convert a name to a URL/branch-safe slug.
 * Lowercase, replace non-alphanumeric runs with single hyphens, trim hyphens.
 */
export function slugify(name: string): string {
  return name
    .toLowerCase()
    .replace(/[^a-z0-9]+/g, '-')
    .replace(/^-|-$/g, '');
}
 
/**
 * Generate an initiative branch name from the initiative name.
 * Format: `cw/<slugified-name>`
 */
export function generateInitiativeBranch(name: string): string {
  return `cw/${slugify(name)}`;
}
 
/**
 * Compute the initiative branch name.
 * Returns the branch as-is if set, or null if unset.
 */
export function initiativeBranchName(branch: string | null): string | null {
  return branch;
}
 
/**
 * Compute a phase branch name.
 * Format: `<initiativeBranch>-phase-<slugified-phase-name>`
 */
export function phaseBranchName(initiativeBranch: string, phaseName: string): string {
  return `${initiativeBranch}-phase-${slugify(phaseName)}`;
}
 
/**
 * Compute a task branch name.
 * Format: `<initiativeBranch>-task-<taskId>`
 * Uses the raw task ID (already unique) to avoid collisions.
 */
export function taskBranchName(initiativeBranch: string, taskId: string): string {
  return `${initiativeBranch}-task-${taskId}`;
}