Add textlint's transformers

- Add markdown transformer
- Add txt transformer

Author: azu

src/parsers/md/transformers/textlint-markdown-to-ast/codeExample.txt

@@ -1,4 +1,8 @@
 export default function (context) {
-  console.log(context);
-  return {}
-}
+    const {Syntax, RuleError, report, getSource} = context;
+    return {
+        [Syntax.Str](node){
+            report(node, new Error("error"));
+        }
+    };
+}

src/parsers/md/transformers/textlint-markdown-to-ast/index.js

@@ -1,33 +1,52 @@
 import compileModule from '../../../utils/compileModule';
 import pkg from 'textlint/package.json';
 
-const ID = 'textlint';
+const ID = 'textlint:markdown';
+
+function formatResults(results, code) {
+    const format = (message) => {
+        return formatResult(message, code);
+    };
+    return results.messages.length === 0
+        ? 'Lint rule not fired.'
+        : results.messages.map(format).join('').trim();
+}
+
+function formatResult(result, code) {
+    const pointer = '-'.repeat(result.column - 1) + '^';
+    console.log(code.split('\n')[result.line - 1]);
+    return `
+| ${result.message} (at ${result.line}:${result.column})
+   ${code.split('\n')[result.line - 1] || ''}
+| ${pointer}
+`;
+}
 
 export default {
-  id: ID,
-  displayName: ID,
-  version: pkg.version,
-  homepage: pkg.homepage,
-
-  defaultParserID: 'textlint:markdown-to-ast',
-
-  loadTransformer(callback) {
-    require(['textlint/lib/textlint-core', 'babel-core'], (TextLintCore, babel) => {
-      callback({ TextLintCore, babel });
-    })
-  },
-
-  transform({TextLintCore, babel}, transformCode, code) {
-    console.log(TextLintCore);
-    const textlintCore = new TextLintCore();
-    let rule = compileModule( // eslint-disable-line no-shadow
-        babel.transform(transformCode).code
-    );
-    textlintCore.setupRules({
-      'astExplorerRule': rule
-    });
-    return textlintCore.lintText(code, ".md").then(result => {
-      return JSON.stringify(result);
-    });
-  }
+    id: ID,
+    displayName: ID,
+    version: pkg.version,
+    homepage: pkg.homepage,
+
+    defaultParserID: 'textlint:markdown-to-ast',
+
+    loadTransformer(callback) {
+        require(['textlint/lib/textlint-core', 'babel-core'], (TextLintCore, babel) => {
+            callback({TextLintCore, babel});
+        })
+    },
+
+    transform({TextLintCore, babel}, transformCode, code) {
+        const textlintCore = new TextLintCore();
+        let rule = compileModule( // eslint-disable-line no-shadow
+            babel.transform(transformCode).code
+        );
+        textlintCore.setupRules({
+            'astExplorerRule': rule,
+        });
+        return textlintCore.lintText(code, '.md').then(result => {
+            return formatResults(result, code);
+        });
+    },
 };
+

src/parsers/txt/transformers/textlint-txt-to-ast/codeExample.txt

@@ -0,0 +1,8 @@
+export default function (context) {
+    const {Syntax, RuleError, report, getSource} = context;
+    return {
+        [Syntax.Str](node){
+            report(node, new Error("error"));
+        }
+    };
+}

src/parsers/txt/transformers/textlint-txt-to-ast/index.js

@@ -0,0 +1,52 @@
+import compileModule from '../../../utils/compileModule';
+import pkg from '../../../../../node_modules/textlint/package.json';
+
+const ID = 'textlint:txt';
+
+function formatResults(results, code) {
+    const format = (message) => {
+        return formatResult(message, code);
+    };
+    return results.messages.length === 0
+        ? 'Lint rule not fired.'
+        : results.messages.map(format).join('').trim();
+}
+
+function formatResult(result, code) {
+    const pointer = '-'.repeat(result.column - 1) + '^';
+    console.log(code.split('\n')[result.line - 1]);
+    return `
+| ${result.message} (at ${result.line}:${result.column})
+   ${code.split('\n')[result.line - 1] || ''}
+| ${pointer}
+`;
+}
+
+export default {
+    id: ID,
+    displayName: ID,
+    version: pkg.version,
+    homepage: pkg.homepage,
+
+    defaultParserID: 'textlint:txt-to-ast',
+
+    loadTransformer(callback) {
+        require(['../../../../../node_modules/textlint/lib/textlint-core', 'babel-core'], (TextLintCore, babel) => {
+            callback({TextLintCore, babel});
+        })
+    },
+
+    transform({TextLintCore, babel}, transformCode, code) {
+        const textlintCore = new TextLintCore();
+        let rule = compileModule( // eslint-disable-line no-shadow
+            babel.transform(transformCode).code
+        );
+        textlintCore.setupRules({
+            'astExplorerRule': rule,
+        });
+        return textlintCore.lintText(code, '.txt').then(result => {
+            return formatResults(result, code);
+        });
+    },
+};
+