Use arrow function syntax. Export all methods.

src/utils/resolve-invitation-data.ts

@@ -25,7 +25,7 @@ import type {
 /**
  * View metadata copied from a template definition onto a resolved invitation item.
  */
-interface TemplateViewMetadata {
+export interface TemplateViewMetadata {
   name?: string;
   description?: string;
   icon?: string;
@@ -90,12 +90,25 @@ export interface ResolvedInvitationData {
   outputs: ResolvedInvitationOutput[];
 }
 
+/**
+ * Template display metadata layered onto a committed output.
+ */
+export interface TemplateOutputMetadata {
+  name?: string;
+  description?: string;
+  icon?: string;
+  roles?: Record<string, ResolvedInvitationOutputRoleMetadata>;
+  lockingScript?: string;
+  valueSatoshis?: bigint | string;
+  token?: XOTemplateOutput["token"];
+}
+
 /**
  * Picks human-readable view fields from a template definition.
  */
-function pickTemplateViewMetadata(
+export const pickTemplateViewMetadata = (
   definition: TemplateViewMetadata | undefined,
-): TemplateViewMetadata {
+): TemplateViewMetadata => {
   if (!definition) return {};
 
   return {
@@ -105,14 +118,14 @@ function pickTemplateViewMetadata(
     }),
     ...(definition.icon !== undefined && { icon: definition.icon }),
   };
-}
+};
 
 /**
  * Picks variable metadata from a template variable definition.
  */
-function pickTemplateVariableMetadata(
+export const pickTemplateVariableMetadata = (
   definition: XOTemplateVariable | undefined,
-): Pick<ResolvedInvitationVariable, "name" | "description" | "type" | "hint"> {
+): Pick<ResolvedInvitationVariable, "name" | "description" | "type" | "hint"> => {
   if (!definition) return {};
 
   return {
@@ -120,17 +133,17 @@ function pickTemplateVariableMetadata(
     ...(definition.type !== undefined && { type: definition.type }),
     ...(definition.hint !== undefined && { hint: definition.hint }),
   };
-}
+};
 
 /**
  * Picks input metadata from a template input definition.
  */
-function pickTemplateInputMetadata(
+export const pickTemplateInputMetadata = (
   definition: XOTemplateInput | undefined,
 ): Pick<
   ResolvedInvitationInput,
   "name" | "description" | "icon" | "unlockingScript" | "omitChangeAmounts"
-> {
+> => {
   if (!definition) return {};
 
   return {
@@ -142,20 +155,7 @@ function pickTemplateInputMetadata(
       omitChangeAmounts: definition.omitChangeAmounts,
     }),
   };
-}
-
-/**
- * Template display metadata layered onto a committed output.
- */
-interface TemplateOutputMetadata {
-  name?: string;
-  description?: string;
-  icon?: string;
-  roles?: Record<string, ResolvedInvitationOutputRoleMetadata>;
-  lockingScript?: string;
-  valueSatoshis?: bigint | string;
-  token?: XOTemplateOutput["token"];
-}
+};
 
 /**
  * Picks output metadata from a template output definition.
@@ -164,9 +164,9 @@ interface TemplateOutputMetadata {
  * defaults; display-oriented fields like name, description, and template
  * valueSatoshis expressions are layered on for UI rendering.
  */
-function pickTemplateOutputMetadata(
+export const pickTemplateOutputMetadata = (
   definition: XOTemplateOutput | undefined,
-): TemplateOutputMetadata {
+): TemplateOutputMetadata => {
   if (!definition) return {};
 
   const roles = definition.roles
@@ -189,16 +189,16 @@ function pickTemplateOutputMetadata(
     }),
     ...(definition.token !== undefined && { token: definition.token }),
   };
-}
+};
 
 /**
  * Enriches a committed variable with its template definition.
  */
-function resolveVariable(
+export const resolveVariable = (
   variable: XOInvitationVariable,
   entityIdentifier: string,
   template: XOTemplate,
-): ResolvedInvitationVariable {
+): ResolvedInvitationVariable => {
   const definition = template.variables?.[variable.variableIdentifier];
 
   return {
@@ -210,16 +210,16 @@ function resolveVariable(
     value: variable.value,
     ...pickTemplateVariableMetadata(definition),
   };
-}
+};
 
 /**
  * Enriches a committed input with its template definition when an identifier is present.
  */
-function resolveInput(
+export const resolveInput = (
   input: XOInvitationInput,
   entityIdentifier: string,
   template: XOTemplate,
-): ResolvedInvitationInput {
+): ResolvedInvitationInput => {
   const definition = input.inputIdentifier
     ? template.inputs?.[input.inputIdentifier]
     : undefined;
@@ -229,16 +229,16 @@ function resolveInput(
     ...input,
     ...pickTemplateInputMetadata(definition),
   };
-}
+};
 
 /**
  * Enriches a committed output with its template definition when an identifier is present.
  */
-function resolveOutput(
+export const resolveOutput = (
   output: XOInvitationOutput,
   entityIdentifier: string,
   template: XOTemplate,
-): ResolvedInvitationOutput {
+): ResolvedInvitationOutput => {
   const definition = output.outputIdentifier
     ? template.outputs?.[output.outputIdentifier]
     : undefined;
@@ -249,25 +249,27 @@ function resolveOutput(
     ...output,
     ...templateMetadata,
   } as ResolvedInvitationOutput;
-}
+};
 
 /**
  * Converts hex or binary invitation bytecode fields to hex strings for display.
  */
-function hexOrBinToHex(
+export const hexOrBinToHex = (
   value: string | Uint8Array | undefined,
-): string | undefined {
+): string | undefined => {
   if (value === undefined) {
     return undefined;
   }
 
   return typeof value === "string" ? value : binToHex(value);
-}
+};
 
 /**
  * Normalizes a merged input row for UI display (hex strings, no encoding placeholders).
  */
-function normalizeMergedInputForDisplay(input: XOInvitationInput): XOInvitationInput {
+export const normalizeMergedInputForDisplay = (
+  input: XOInvitationInput,
+): XOInvitationInput => {
   const normalized: XOInvitationInput = { ...input };
 
   if (input.outpointTransactionHash !== undefined) {
@@ -295,14 +297,14 @@ function normalizeMergedInputForDisplay(input: XOInvitationInput): XOInvitationI
   }
 
   return normalized;
-}
+};
 
 /**
  * Normalizes a merged output row for UI display (hex strings).
  */
-function normalizeMergedOutputForDisplay(
+export const normalizeMergedOutputForDisplay = (
   output: XOInvitationOutput,
-): XOInvitationOutput {
+): XOInvitationOutput => {
   const normalized: XOInvitationOutput = { ...output };
 
   if (output.lockingBytecode !== undefined) {
@@ -312,16 +314,16 @@ function normalizeMergedOutputForDisplay(
   }
 
   return normalized;
-}
+};
 
 /**
  * Recovers `outputIdentifier` from the source commit because the merger strips it
  * after template resolution.
  */
-function findOutputIdentifierForMergedOutput(
+export const findOutputIdentifierForMergedOutput = (
   commit: XOInvitationCommit | undefined,
   mergedOutput: XOInvitationOutput,
-): string | undefined {
+): string | undefined => {
   const outputs = commit?.data?.outputs ?? [];
   const mergedBytecodeHex = hexOrBinToHex(mergedOutput.lockingBytecode);
 
@@ -351,30 +353,30 @@ function findOutputIdentifierForMergedOutput(
   }
 
   return undefined;
-}
+};
 
 /**
  * Whether two invitation variable rows refer to the same template variable slot.
  */
-function matchesInvitationVariable(
+export const matchesInvitationVariable = (
   left: XOInvitationVariable,
   right: XOInvitationVariable,
-): boolean {
+): boolean => {
   return (
     left.variableIdentifier === right.variableIdentifier &&
     left.roleIdentifier === right.roleIdentifier
   );
-}
+};
 
 /**
  * Finds the entity that authored a merged variable by scanning invitation commits.
  * Last matching commit in array order wins. Best-effort until the engine orders
  * commits internally or exposes source attribution on merged variables.
  */
-function findVariableEntityIdentifier(
+export const findVariableEntityIdentifier = (
   variable: XOInvitationVariable,
   commits: XOInvitationCommit[],
-): string {
+): string => {
   let entityIdentifier = "";
 
   for (const commit of commits) {
@@ -386,7 +388,7 @@ function findVariableEntityIdentifier(
   }
 
   return entityIdentifier;
-}
+};
 
 /**
  * Returns template-enriched invitation data for UI display.
@@ -400,10 +402,10 @@ function findVariableEntityIdentifier(
  * @param template - The template referenced by the invitation.
  * @returns Resolved invitation data ready for display.
  */
-export function resolveCommitReferences(
+export const resolveCommitReferences = (
   invitation: XOInvitation,
   template: XOTemplate,
-): ResolvedInvitationData {
+): ResolvedInvitationData => {
   const commits = invitation.commits ?? [];
   const commitsMap = new Map(
     commits.map((commit) => [commit.commitIdentifier, commit]),
@@ -473,4 +475,4 @@ export function resolveCommitReferences(
     inputs,
     outputs,
   };
-}
+};