Initial commit :four_leaf_clover:

4 files changed, 73 insertions, 0 deletions

diff --git a/src/common/text/elements/bold.js b/src/common/text/elements/bold.js
new file mode 100644
index 0000000000..41a01399dd
--- /dev/null
+++ b/src/common/text/elements/bold.js
@@ -0,0 +1,17 @@
+/**
+ * Bold
+ */
+
+const regexp = /\*\*(.+?)\*\*/;
+
+module.exports = {
+	test: x => new RegExp('^' + regexp.source).test(x),
+	parse: text => {
+		const bold = text.match(new RegExp('^' + regexp.source))[0];
+		return {
+			type: 'bold',
+			content: bold,
+			bold: bold.substr(2, bold.length - 4)
+		};
+	}
+};
diff --git a/src/common/text/elements/hashtag.js b/src/common/text/elements/hashtag.js
new file mode 100644
index 0000000000..f04b782007
--- /dev/null
+++ b/src/common/text/elements/hashtag.js
@@ -0,0 +1,23 @@
+/**
+ * Hashtag
+ */
+
+module.exports = {
+	test: (x, i) =>
+		/^\s#[^\s]+/.test(x) || (i == 0 && /^#[^\s]+/.test(x))
+	,
+	parse: text => {
+		const isHead = text[0] == '#';
+		const hashtag = text.match(/^\s?#[^\s]+/)[0];
+		const res = !isHead ? [{
+			type: 'text',
+			content: text[0]
+		}] : [];
+		res.push({
+			type: 'hashtag',
+			content: isHead ? hashtag : hashtag.substr(1),
+			hashtag: isHead ? hashtag.substr(1) : hashtag.substr(2)
+		});
+		return res;
+	}
+};
diff --git a/src/common/text/elements/mention.js b/src/common/text/elements/mention.js
new file mode 100644
index 0000000000..b58786fd1e
--- /dev/null
+++ b/src/common/text/elements/mention.js
@@ -0,0 +1,17 @@
+/**
+ * Mention
+ */
+
+const regexp = /@[a-zA-Z0-9\-]+/;
+
+module.exports = {
+	test: x => new RegExp('^' + regexp.source).test(x),
+	parse: text => {
+		const mention = text.match(new RegExp('^' + regexp.source))[0];
+		return {
+			type: 'mention',
+			content: mention,
+			username: mention.substr(1)
+		};
+	}
+};
diff --git a/src/common/text/elements/url.js b/src/common/text/elements/url.js
new file mode 100644
index 0000000000..d02aef0800
--- /dev/null
+++ b/src/common/text/elements/url.js
@@ -0,0 +1,16 @@
+/**
+ * URL
+ */
+
+const regexp = /https?:\/\/[\w\/:%#@\$&\?!\(\)\[\]~\.=\+\-]+/;
+
+module.exports = {
+	test: x => new RegExp('^' + regexp.source).test(x),
+	parse: text => {
+		const link = text.match(new RegExp('^' + regexp.source))[0];
+		return {
+			type: 'link',
+			content: link
+		};
+	}
+};