feat(command/compile): add RuleValue to the genereated d.ts file

It's could be used to have a typed evaluate() method

src/commands/compile.ts

@@ -99,6 +99,13 @@ the package.json file under the \`publicodes\` key. For example:
       const serializedRuleTypes = typesEntries
         .map(([name, type]) => `  "${name}": ${serializeType(type)}`)
         .join(',\n')
+      const serializedRulesValue = typesEntries
+        .map(([name, type]) => {
+          const title = engine.getRule(name)?.rawNode?.titre
+          return `${title ? `  /** ${title} */\n` : ''}  "${name}": ${serializeJSType(type)}`
+        })
+        .join(',\n')
+      // TODO: could be little bit more optimized
       const serializedQuestionsRuleTypes = typesEntries
         .filter(([name]) => engine.getRule(name).rawNode.question)
         .map(([name, type]) => {
@@ -139,6 +146,14 @@ export type Situation = Partial<{
 ${serializedRuleTypes}
 }>
 
+/**
+ * Associates for each rule name its corresponding value type (in JavaScript
+* form) that will be returned by the {@link Engine.evaluate} method.
+ */
+export type RuleValue = Partial<{
+${serializedRulesValue}
+}>
+
 /**
  * Subset of the {@link Situation} with only the rules that are questions
  * (i.e. input rules).

test/commands/compile.test.ts

@@ -8,11 +8,13 @@ describe('publicodes compile', () => {
   it('should compile with no arguments/flags', async () => {
     runInDir('tmp', async (cwd) => {
       const { stdout } = await cli.execCommand('compile')
-      expect(stdout).toContain('Compilation complete!')
-      expect(fs.existsSync('build')).toBe(true)
-      expect(fs.existsSync('build/index.js')).toBe(true)
-      expect(fs.existsSync(`build/${path.basename(cwd)}.model.json`)).toBe(true)
-      expect(fs.existsSync(`build/index.d.ts`)).toBe(true)
+      expect(stdout).toContain('Compilation done.')
+      expect(fs.existsSync('publicodes-build')).toBe(true)
+      expect(fs.existsSync('publicodes-build/index.js')).toBe(true)
+      expect(
+        fs.existsSync(`publicodes-build/${path.basename(cwd)}.model.json`),
+      ).toBe(true)
+      expect(fs.existsSync(`publicodes-build/index.d.ts`)).toBe(true)
     })
   })
 })