more on english verb conjugation

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@lingdocs/pashto-inflector",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "author": "lingdocs.com",
   "description": "A Pashto inflection and verb conjugation engine, inculding React components for displaying Pashto text, inflections, and conjugations",
   "homepage": "https://verbs.lingdocs.com",

src/lib/misc-helpers.test.ts

@@ -14,7 +14,11 @@ test("parseEc should work", () => {
     expect(parseEc("walk")).toEqual(["walk", "walks", "walking", "walked", "walked"]);
     expect(parseEc("scare")).toEqual(["scare", "scares", "scaring", "scared", "scared"]);
     expect(parseEc("study")).toEqual(["study","studies","studying","studied","studied"]);
+    expect(parseEc("cry")).toEqual(["cry", "cries", "crying", "cried", "cried"]);
+    expect(parseEc("die")).toEqual(["die", "dies", "dying", "died", "died"]);
     expect(parseEc("play")).toEqual(["play","plays","playing","played","played"]);
+    // if there are only four items the perfect will be the same as the simple past
+    expect(parseEc("think,thinks,thinking,thought")).toEqual(["think","thinks","thinking","thought","thought"]);
     expect(parseEc("sew,sews,sewing,sewed,sown")).toEqual(["sew", "sews", "sewing", "sewed", "sown"]);
     expect(parseEc(" sew, sews,sewing ,sewed, sown")).toEqual(["sew", "sews", "sewing", "sewed", "sown"]);
 });

src/lib/misc-helpers.ts

@@ -223,15 +223,21 @@ export function parseEc(ec: string): T.EnglishVerbConjugationEc {
             const b = s.slice(0, -1);
             return [`${s}`, `${b}ies`, `${s}ing`, `${b}ied`, `${b}ied`];
         }
+        if (s.slice(-2) === "ie" && !isVowel(s.slice(-3)[0])) {
+            const b = s.slice(0, -2);
+            return [`${s}`, `${s}s`, `${b}ying`, `${s}d`, `${s}d`]; 
+        }
         const b = (s.slice(-1) === "e")
             ? s.slice(0, -1)
             : s;
         return [`${s}`, `${s}s`, `${b}ing`, `${b}ed`, `${b}ed`];
     }
     const items = ec.split(",").map(x => x.trim());
-    return (items.length !== 5)
-        ? makeRegularConjugations(items[0])
-        : [items[0], items[1], items[2], items[3], items[4]];
+    return (items.length === 4)
+        ? [items[0], items[1], items[2], items[3], items[3]]
+        : (items.length === 5)
+        ? [items[0], items[1], items[2], items[3], items[4]]
+        : makeRegularConjugations(items[0]);
 }
 
 // not being used

src/lib/verb-conjugation.ts

@@ -54,6 +54,9 @@ const getAayTail = (type: T.AayTail): T.PsString => (
 );
 
 export function conjugateVerb(entry: T.DictionaryEntry, aayTailType: T.AayTail, complement?: T.DictionaryEntry, verbInfo?: T.NonComboVerbInfo): T.VerbOutput {
+    if (!(entry.c && entry.c.slice(0, 2) === "v.")) {
+        throw new Error("not a verb");
+    };
     const irregularConj = checkForIrregularConjugation(entry);
     if (irregularConj) {
         return irregularConj;