WIP - add extractor, generate snippet_data

node_modules/meant/index.js

@@ -0,0 +1,49 @@
+function levenshteinD (s1, s2) {
+  var d = []
+  var i = 0
+
+  for (i = 0; i <= s1.length; i++) d[i] = [i]
+  for (i = 0; i <= s2.length; i++) d[0][i] = i
+
+  s2.split('').forEach(function (c2, j) {
+    s1.split('').forEach(function (c1, i) {
+      if (c1 === c2) {
+        d[i + 1][j + 1] = d[i][j]
+        return
+      }
+      d[i + 1][j + 1] = Math.min(
+        d[i][j + 1] + 1,
+        d[i + 1][j] + 1,
+        d[i][j] + 1
+      )
+    })
+  })
+
+  return d[s1.length][s2.length]
+}
+
+function meant (scmd, commands) {
+  var d = []
+  var bestSimilarity = []
+
+  commands.forEach(function (cmd, i) {
+    var item = {}
+    item[levenshteinD(scmd, cmd)] = i
+    d.push(item)
+  })
+
+  d.sort(function (a, b) {
+    return Number(Object.keys(a)[0]) - Number(Object.keys(b)[0])
+  })
+
+  d.forEach(function (item) {
+    var key = Number(Object.keys(item)[0])
+    if (scmd.length / 2 >= key) {
+      bestSimilarity.push(commands[item[key]])
+    }
+  })
+
+  return bestSimilarity
+}
+
+module.exports = meant