Init commit

1 files changed, 59 insertions, 0 deletions

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..6eb862d
--- /dev/null
+++ b/index.js
@@ -0,0 +1,59 @@
+'use strict';
+
+var parseAttr = require('md-attr-parser');
+
+module.exports = linkAttr;
+
+function linkAttr() {
+  var parser = this.Parser;
+  var tokenizers;
+
+  if (!isRemarkParser(parser)) {
+    throw new Error('Missing parser to attach `remark-attr` [link] (to)');
+  }
+
+  tokenizers = parser.prototype.inlineTokenizers;
+
+  linkTokenize.locator = tokenizers.link.locator;
+  let oldLink = tokenizers.link;
+
+  function linkTokenize(eat, value, silent) {
+    let linkEaten = oldLink.bind(this)(eat,value,silent);
+
+    var self = this;
+    var index = 0;
+    var pedantic = self.options.pedantic;
+    var commonmark = self.options.commonmark;
+    var gfm = self.options.gfm;
+    var parsedAttr;
+    const length = value.length;
+
+    if( !linkEaten || !linkEaten.position ) {
+      return undefined;
+    }
+    index = linkEaten.position.end.offset - linkEaten.position.start.offset;
+
+    if (index < length && value.charAt(index) === '{' ) {
+      parsedAttr = parseAttr(value, index);
+    }
+
+    if (parsedAttr) {
+      linkEaten.data = {hProperties: parsedAttr.prop};
+      linkEaten = eat(parsedAttr.eaten)(linkEaten);
+    }
+    return linkEaten;
+  }
+
+  tokenizers.link = linkTokenize;
+}
+
+function isRemarkParser(parser) {
+  return Boolean(
+    parser &&
+    parser.prototype &&
+    parser.prototype.inlineTokenizers &&
+    parser.prototype.inlineTokenizers.link &&
+    parser.prototype.inlineTokenizers.link.locator
+  );
+}
+