feat(cli): add --separator option

Author: azu

bin/cmd.js

@@ -1,4 +1,13 @@
 #!/usr/bin/env node
+
+const meow = require('meow');
+const cli = meow(`
+    Usage
+      $ create-textlint-rule-example <file-path>
+
+    Options
+      --separator separator between each examples
+`);
 const create = require("../lib/create-textlint-rule-example");
 const concat = require('concat-stream');
 const fs = require('fs');
@@ -7,5 +16,7 @@ const input = file && file !== '-'
     ? fs.createReadStream(process.argv[2])
     : process.stdin;
 input.pipe(concat(function(buf) {
-    console.log(create(buf.toString('utf8')));
+    console.log(create(buf.toString('utf8'), {
+        exampleSeparator: cli.flags.separator
+    }));
 }));

package.json

@@ -51,6 +51,7 @@
     "babel-preset-latest": "^6.24.0",
     "clone": "^2.1.1",
     "concat-stream": "^1.6.0",
-    "lodash.uniq": "^4.5.0"
+    "lodash.uniq": "^4.5.0",
+    "meow": "^3.7.0"
   }
 }

src/create-textlint-rule-example.js

@@ -17,7 +17,7 @@ const defaultOptions = {
 module.exports = function(content, options = {}) {
     const prependValidExample = options.prependValidExample || defaultOptions.prependValidExample;
     const prependInValidExample = options.prependInValidExample || defaultOptions.prependInValidExample;
-    const exampleSeparator = options.exampleSeparator || defaultOptions.exampleSeparator;
+    const exampleSeparator = (options.exampleSeparator || defaultOptions.exampleSeparator).replace(/\\n/g, "\n");
     const { ruleName, valid, invalid } = getRuleTest(content);
     const plainValid = valid.filter(text => typeof text === "string");
     const plainInvalid = invalid.filter(test => {