Command-line interface for markdownlint

bin/markdownlint-cli.js

@@ -0,0 +1,67 @@
+#!/usr/bin/env node
+
+"use strict";
+
+/* eslint no-console:0, no-process-exit:0 */
+
+var pkg = require("../package");
+var program = require("commander");
+
+function readConfiguration(args) {
+  var rc = require("rc");
+  var config = rc(pkg.name, {});
+  if (args.config) {
+    var fs = require("fs");
+    try {
+      var userConfig = JSON.parse(fs.readFileSync(args.config));
+      var extend = require("deep-extend");
+      config = extend(config, userConfig);
+    } catch (e) {
+      console.warn("Cannot read or parse config file", args.config);
+    }
+  }
+  return config;
+}
+
+function lint(lintFiles, config) {
+  var markdownlint = require("../" + pkg.main);
+  var lintOptions = {
+    "files": lintFiles,
+    "config": config
+  };
+  return markdownlint.sync(lintOptions);
+}
+
+function printResult(lintResult) {
+  // var chalk = require("chalk");
+  console.log(lintResult.toString());
+}
+
+function isResultCorrect(lintResult) {
+  var _ = require("lodash");
+  function notEmptyObject(item) {
+    return !_.isEqual(item, {});
+  }
+  return _.values(lintResult).some(notEmptyObject);
+}
+
+program
+  .version(pkg.version)
+  .description(pkg.description)
+  .usage("[options] <files>")
+  .option("-c, --config [configFile]", "Configuration file");
+
+program.parse(process.argv);
+
+var files = program.args;
+
+if (files && files.length > 0) {
+  var config = readConfiguration(program);
+  var lintResult = lint(files, config);
+  printResult(lintResult);
+  if (isResultCorrect(lintResult)) {
+    process.exit(1);
+  }
+} else {
+  program.help();
+}