Add mapping, linting, prettier

.eslintrc

@@ -70,6 +70,7 @@
         "functions": false,
         "typedefs": false
       }
-    ]
+    ],
+    "import/no-unresolved": "off"
   }
 }

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.2.0
+
+- Add `mapping` output
+- Add `normalise` AST using mapped identifiers
+
 ## 0.1.0
 
 :baby: initial release

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@exercism/javascript-representer",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Exercism AST representer for javascript",
   "repository": "https://github.com/exercism/javascript-representer",
   "author": "Derk-Jan Karrenbeld <[email protected]>",
@@ -24,25 +24,26 @@
     "posttest": "yarn lint"
   },
   "devDependencies": {
-    "@babel/core": "^7.6.3",
+    "@babel/core": "^7.6.4",
     "@babel/preset-env": "^7.6.3",
     "@babel/preset-typescript": "^7.6.0",
-    "@types/jest": "^24.0.18",
-    "@types/node": "^12.7.12",
+    "@types/jest": "^24.0.19",
+    "@types/node": "^12.11.1",
     "@types/yargs": "^13.0.3",
-    "@typescript-eslint/eslint-plugin": "^2.3.3",
+    "@typescript-eslint/eslint-plugin": "^2.4.0",
     "babel-jest": "^24.9.0",
     "eslint": "^6.5.1",
     "eslint-config-prettier": "^6.4.0",
-    "eslint-plugin-jest": "^22.17.0",
+    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-jest": "^22.19.0",
     "jest": "^24.9.0"
   },
   "dependencies": {
-    "@typescript-eslint/parser": "^2.3.3",
-    "@typescript-eslint/typescript-estree": "^2.3.3",
+    "@typescript-eslint/parser": "^2.4.0",
+    "@typescript-eslint/typescript-estree": "^2.4.0",
     "esm": "^3.2.25",
     "module-alias": "^2.2.2",
-    "typescript": "^3.6.3",
+    "typescript": "^3.6.4",
     "yargs": "^14.2.0"
   },
   "_moduleAliases": {

src/output/RepresenterAstOutput.ts

@@ -50,7 +50,10 @@ function normaliseRepresentation(
   }
 }
 
-function findOrMapIdentifier(name: string, mapping: { [k: string]: string }) {
+function findOrMapIdentifier(
+  name: string,
+  mapping: { [k: string]: string }
+): string {
   if (mapping[name]) {
     return mapping[name]
   }
@@ -59,7 +62,9 @@ function findOrMapIdentifier(name: string, mapping: { [k: string]: string }) {
   return mapping[name]
 }
 
-function inverseMapping(mapping: { [k: string]: string }) {
+function inverseMapping(mapping: {
+  [k: string]: string
+}): { [k: string]: string } {
   return Object.keys(mapping).reduce(
     (result, original) => {
       const mapped = mapping[original]

test/output/processor/FileOutput.ts

@@ -50,7 +50,10 @@ describe('FileOutput', () => {
         }),
         OUT_OPTIONS
       )
-      expect(processed).toStrictEqual(CONTENTS)
+      expect(processed).toStrictEqual({
+        representation: CONTENTS,
+        mapping: MAPPING,
+      })
     })
 
     it('writes the processable stream to disk', async () => {
@@ -131,7 +134,6 @@ describe('FileOutput', () => {
       expect(files).toMatchObject({
         [path.normalize(path.dirname(OUT_OPTIONS.output.representation))]: {
           [outFile]: CONTENTS,
-          [OUT_OPTIONS.output.mapping]: MAPPING,
         },
       })
 

test/output/processor/LogOutput.ts

@@ -51,6 +51,6 @@ describe('LogOutput', () => {
       Promise.resolve({ representation: CONTENTS, mapping: MAPPING }),
       DEFAULT_OPTIONS
     )
-    expect(result).toBe({ representation: CONTENTS, mapping: MAPPING })
+    expect(result).toStrictEqual({ representation: CONTENTS, mapping: MAPPING })
   })
 })