fix(Parser): From recast to espree

 The architecture script was failing with ES6+ code.
 fix #7

Author: nfroidure

ARCHITECTURE.md

@@ -19,7 +19,7 @@ This service needs some other services. To be able to mock and
 
 ![Dependencies Graph](./DEPENDENCIES.mmd.png)
 
-[See in context](./src/jsarch.js#L45-L56)
+[See in context](./src/jsarch.js#L54-L65)
 
 
 
@@ -34,7 +34,7 @@ architecture notes. It should be structured like that:
 {body}
 ```
 
-[See in context](./src/jsarch.js#L155-L165)
+[See in context](./src/jsarch.js#L166-L176)
 
 
 
@@ -64,7 +64,7 @@ If you wish to add the architecture notes in a README.md file
  you will have to set the `titleLevel` option to as much `#`
  as necessar to fit the title hierarchy of you README file.
 
-[See in context](./src/jsarch.js#L20-L28)
+[See in context](./src/jsarch.js#L29-L37)
 
 
 
@@ -76,7 +76,7 @@ By default, links to the architecture notes right in the code
 
 To override it, use the `base` option.
 
-[See in context](./src/jsarch.js#L32-L40)
+[See in context](./src/jsarch.js#L41-L49)
 
 
 

DEPENDENCIES.mmd.png

@@ -21,7 +21,7 @@
     "cz": "env NODE_ENV=${NODE_ENV:-cli} git cz",
     "graph": "npm run graph:build && npm run graph:generate",
     "graph:build": "MERMAID_RUN=1 node bin/jsarch.js > DEPENDENCIES.mmd",
-    "graph:generate": "mermaid DEPENDENCIES.mmd -v -p",
+    "graph:generate": "mmdc -i DEPENDENCIES.mmd -o DEPENDENCIES.mmd.png",
     "jsarch": "node bin/jsarch.js",
     "lint": "eslint src/*.js",
     "metapak": "metapak || echo 'Please `npm install --save-dev metapak`' && exit 0",
@@ -47,9 +47,9 @@
     "bluebird": "^3.4.7",
     "commander": "^2.9.0",
     "debug": "2.6.1",
+    "espree": "^3.5.1",
     "glob": "^7.1.1",
     "knifecycle": "^1.3.1",
-    "recast": "^0.11.18",
     "yerror": "^1.0.2"
   },
   "devDependencies": {
@@ -59,9 +59,13 @@
     "cz-conventional-changelog": "^2.0.0",
     "eslint": "3.16.0",
     "eslint-config-simplifield": "4.1.1",
+    "eslint-plugin-mongodb": "0.2.4",
+    "eslint-plugin-node": "^5.2.1",
+    "eslint-plugin-promise": "^3.6.0",
     "istanbul": "0.4.5",
     "jsdoc-to-markdown": "^2.0.1",
-    "mermaid": "^7.0.0",
+    "mermaid": "^7.1.0",
+    "mermaid.cli": "^0.3.1",
     "metapak": "0.0.18",
     "metapak-nfroidure": "0.4.1",
     "mocha": "3.2.0",

bin/jsarch.js

@@ -2,7 +2,16 @@
 
 const YError = require('yerror');
 const path = require('path');
-const recast = require('recast');
+const espree = require('espree', {
+  attachComment: true,
+  ecmaVersion: 8,
+  ecmaFeatures: {
+    jsx: false,
+    globalReturn: false,
+    impliedStrict: false,
+    experimentalObjectRestSpread: true,
+  },
+});
 const types = require('ast-types');
 const { compareNotes } = require('./compareNotes');
 
@@ -110,7 +119,9 @@ function jsArch({
       titleLevel + architectureNote.num.split('.').map(() => '#').join('') +
       ' ' + architectureNote.title + eol + eol +
       architectureNote.content.replace(
-        new RegExp('([\r\n]+)[ \t]{' + architectureNote.loc.indent + '}', 'g'),
+        new RegExp('([\r\n]+)[ \t]{' +
+          architectureNote.loc.start.column +
+        '}', 'g'),
         '$1'
       ) + eol + eol +
       '[See in context](' +
@@ -183,7 +194,19 @@ function _extractArchitectureNotes({ fs, log }, filePath) {
     throw YError.wrap(err, 'E_FILE_FAILURE', filePath);
   })
   .then((content) => {
-    const ast = recast.parse(content);
+    const ast = espree.parse(content, {
+      attachComment: true,
+      loc: true,
+      range: true,
+      ecmaVersion: 8,
+      ecmaFeatures: {
+        jsx: false,
+        sourceType: 'module',
+        globalReturn: false,
+        impliedStrict: false,
+        experimentalObjectRestSpread: true,
+      },
+    });
     const architectureNotes = [];
 
     types.visit(ast, {