diff --git a/src/lib/ini.ts b/src/lib/ini.ts
new file mode 100644
index 0000000..4a8a490
--- /dev/null
+++ b/src/lib/ini.ts
@@ -0,0 +1,36 @@
+const sectionExpr = /^\[(.*)\]/
+const lineBreak = /\r?\n/g
+
+const isSectionLine = (line: string) => sectionExpr.test(line)
+const formatSection = (text: string) =>
+    text.split(lineBreak)
+        .map(t => t.trim())
+        .filter(t => t && t[0] !== ';')
+        .map(t => t.split('=', 2))
+        .filter(pair => pair.length === 2)
+        .reduce((map, [key, value]) => map.set(key.trim(), value.trim()), new Map<string, string>())
+
+const iniParser = (text = '') => {
+    const section = new Map<string, string>()
+    if (text.length === 0) return
+    const lines = text.split(lineBreak)
+    let content: string[] = []
+    let sectionName = ''
+    for (const line of lines) {
+        if (isSectionLine(line)) {
+            if (sectionName !== '') {
+                section.set(sectionName, content.join('\n'))
+            }
+            content = []
+            const match = line.match(sectionExpr)
+            sectionName = match && match[1]
+        } else {
+            content.push(line)
+        }
+    }
+
+    if (sectionName !== '') {
+        section.set(sectionName, content.join('\n'))
+    }
+    return section
+}
diff --git a/tsconfig.json b/tsconfig.json
index 5d24d92..d872cb0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,6 +9,7 @@
         "jsx": "react",
         "lib": ["es5", "es6", "dom"],
         "experimentalDecorators": true,
+        "downlevelIteration": true,
         "baseUrl": ".",
         "paths": {
             "@assets": ["src/assets"],