fix: root path was not collected (#47)

* fix: root path was not collected

* feat: update build files

dist.browser/json-difference.mjs

@@ -1,47 +1,48 @@
-const p = (f, i) => {
+const O = (f, n) => {
   const o = [];
   for (const e in f)
-    if (i.hasOwnProperty(e)) {
-      if (typeof f[e] == "object" && typeof i[e] == "object" && JSON.stringify(f[e]) === JSON.stringify(i[e]) || f[e] === i[e])
+    if (n.hasOwnProperty(e)) {
+      if (typeof f[e] == "object" && typeof n[e] == "object" && JSON.stringify(f[e]) === JSON.stringify(n[e]) || f[e] === n[e])
         continue;
       if (f[e] === "@{}" || f[e] === "@[]") {
-        const n = i[e] === "@{}" ? {} : i[e] === "@[]" ? [] : i[e];
-        f[e] === "@{}" ? JSON.stringify(i[e]) !== "{}" && o.push([e, {}, n]) : JSON.stringify(i[e]) !== "[]" && o.push([e, [], n]);
+        const i = n[e] === "@{}" ? {} : n[e] === "@[]" ? [] : n[e];
+        f[e] === "@{}" ? JSON.stringify(n[e]) !== "{}" && o.push([e, {}, i]) : JSON.stringify(n[e]) !== "[]" && o.push([e, [], i]);
       } else
-        o.push([e, f[e], i[e]]);
+        o.push([e, f[e], n[e]]);
     }
   return o;
-}, d = (f, i) => {
+}, g = (f, n) => {
   const o = [];
   let e = 0;
-  for (const n in f)
-    if (!(n in i)) {
-      const y = f[n] === "@{}" ? {} : f[n] === "@[]" ? [] : f[n];
-      o[e] = [n, y], e++;
+  for (const i in f)
+    if (!(i in n)) {
+      const y = f[i] === "@{}" ? {} : f[i] === "@[]" ? [] : f[i];
+      o[e] = [i, y], e++;
     }
   return o;
-}, O = (f, i, o, e) => {
-  const n = e ? f ? "[" : "." : "/", y = e ? f ? "]" : "" : f ? "[]" : "";
-  return i !== "" ? `${i}${n}${o}${y}` : `${e && f ? "[" : ""}${o}${y}`;
-}, g = (f, i = !1, o = {}, e = "") => {
-  for (const n of Object.keys(f)) {
-    const y = O(Array.isArray(f), e, n, i);
-    typeof f[n] == "object" && f[n] !== null ? (Object.keys(f[n]).length === 0 ? o[y] = f[n] : o[y] = Array.isArray(f[n]) ? "@[]" : "@{}", g(f[n], i, o, y)) : o[y] = f[n];
+}, p = (f, n, o, e) => {
+  const i = e ? f ? "[" : "." : "/", y = e ? f ? "]" : "" : f ? "[]" : "";
+  return n !== "" ? `${n}${i}${o}${y}` : `${e && f ? "[" : ""}${o}${y}`;
+}, d = (f, n = !1, o, e = "") => {
+  o === void 0 && (o = Array.isArray(f) ? { "": "@[]" } : { "": "@{}" });
+  for (const i of Object.keys(f)) {
+    const y = p(Array.isArray(f), e, i, n);
+    typeof f[i] == "object" && f[i] !== null ? (Object.keys(f[i]).length === 0 ? o[y] = f[i] : o[y] = Array.isArray(f[i]) ? "@[]" : "@{}", d(f[i], n, o, y)) : o[y] = f[i];
   }
   return o;
 }, $ = {
   isLodashLike: !1
-}, b = (f, i, o) => {
-  const { isLodashLike: e } = o ?? $, n = {
+}, b = (f, n, o) => {
+  const { isLodashLike: e } = o ?? $, i = {
     added: [],
     removed: [],
     edited: []
-  }, y = g(f, e), s = g(i, e);
-  return n.removed = d(y, s), n.added = d(s, y), n.edited = p(y, s), n;
+  }, y = d(f, e), s = d(n, e);
+  return i.removed = g(y, s), i.added = g(s, y), i.edited = O(y, s), i;
 };
 export {
   b as getDiff,
-  p as getEditedPaths,
-  d as getPathsDiff,
-  g as getStructPaths
+  O as getEditedPaths,
+  g as getPathsDiff,
+  d as getStructPaths
 };

src/core/get-diff.spec.ts

@@ -18,6 +18,19 @@ describe('GetDiff function', () => {
     expect(lodashResult).toEqual(expectedLodashResult)
   })
 
+  test('Should return the difference between [] and {}', () => {
+    const struct1 = [] as any
+    const struct2 = {}
+    const expectedResult: Delta = { edited: [['', [], {}]], added: [], removed: [] }
+    const expectedLodashResult: Delta = { edited: [['', [], {}]], added: [], removed: [] }
+
+    const result = getDiff(struct1, struct2)
+    const lodashResult = getDiff(struct1, struct2, { isLodashLike: true })
+
+    expect(result).toEqual(expectedResult)
+    expect(lodashResult).toEqual(expectedLodashResult)
+  })
+
   test('Should return the difference between two structures containing Array property', () => {
     const struct1 = { a: 1, b: [{ c1: 1 }, { c2: 2 }] }
     const struct2 = { a: 11, b: [{ c1: 1 }, { c2: 22 }] }

src/core/get-struct-paths.spec.ts

@@ -3,7 +3,25 @@ import { getStructPaths } from '.'
 describe('GetStructPaths function', () => {
   test('Should return all paths from a basic structure', () => {
     const oldStruct = { 1: { 2: 7, 3: { 4: 6 } } }
-    const expectedResult = { '1': '@{}', '1/2': 7, '1/3': '@{}', '1/3/4': 6 }
+    const expectedResult = { '': '@{}', '1': '@{}', '1/2': 7, '1/3': '@{}', '1/3/4': 6 }
+
+    const result = getStructPaths(oldStruct)
+
+    expect(result).toEqual(expectedResult)
+  })
+
+  test('Should return path for root []', () => {
+    const oldStruct = [] as any
+    const expectedResult = { '': '@[]' }
+
+    const result = getStructPaths(oldStruct)
+
+    expect(result).toEqual(expectedResult)
+  })
+
+  test('Should return path for root {}', () => {
+    const oldStruct = {} as any
+    const expectedResult = { '': '@{}' }
 
     const result = getStructPaths(oldStruct)
 
@@ -13,6 +31,7 @@ describe('GetStructPaths function', () => {
   test('Should return all paths containing Array property', () => {
     const oldStruct = { a: 1, b: [{ c1: [{ c3: { c5: [1, 2, { c6: 3 }] } }, { c4: 6 }] }, { c2: 2 }] }
     const expectedResult = {
+      '': '@{}',
       a: 1,
       b: '@[]',
       'b/0[]': '@{}',
@@ -30,6 +49,7 @@ describe('GetStructPaths function', () => {
       'b/1[]/c2': 2
     }
     const expectedLodashLikeResult = {
+      '': '@{}',
       a: 1,
       b: '@[]',
       'b[0]': '@{}',
@@ -56,8 +76,8 @@ describe('GetStructPaths function', () => {
 
   test('Should return paths when the values are objects', () => {
     const oldStruct = { a: [], b: {} }
-    const expectedResult = { a: [], b: {} }
-    const expectedLodashLikeResult = { a: [], b: {} }
+    const expectedResult = { '': '@{}', a: [], b: {} }
+    const expectedLodashLikeResult = { '': '@{}', a: [], b: {} }
 
     const result = getStructPaths(oldStruct)
     const lodashLikeResult = getStructPaths(oldStruct, true)
@@ -69,10 +89,10 @@ describe('GetStructPaths function', () => {
   test('Should return different paths when containing object and array with same key value at root', () => {
     const oldStruct = { '0': 0 }
     const newStruct = [0]
-    const expectedOldStructPaths = { '0': 0 }
-    const expectedOldStructLodashLikePaths = { '0': 0 }
-    const expectedNewStructPaths = { '0[]': 0 }
-    const expectedNewStructLodashLikePaths = { '[0]': 0 }
+    const expectedOldStructPaths = { '': '@{}', '0': 0 }
+    const expectedOldStructLodashLikePaths = { '': '@{}', '0': 0 }
+    const expectedNewStructPaths = { '': '@[]', '0[]': 0 }
+    const expectedNewStructLodashLikePaths = { '': '@[]', '[0]': 0 }
 
     const oldStructPaths = getStructPaths(oldStruct)
     const newStructPaths = getStructPaths(newStruct)
@@ -89,21 +109,25 @@ describe('GetStructPaths function', () => {
     const oldStruct = { '0': [{ '0': 1 }] }
     const newStruct = { '0': { '0': [1] } }
     const expectedOldStructPaths = {
+      '': '@{}',
       '0': '@[]',
       '0/0[]': '@{}',
       '0/0[]/0': 1
     }
     const expectedOldStructLodashLikePaths = {
+      '': '@{}',
       '0': '@[]',
       '0[0]': '@{}',
       '0[0].0': 1
     }
     const expectedNewStructPaths = {
+      '': '@{}',
       '0': '@{}',
       '0/0': '@[]',
       '0/0/0[]': 1
     }
     const expectedNewStructLodashLikePaths = {
+      '': '@{}',
       '0': '@{}',
       '0.0': '@[]',
       '0.0[0]': 1

src/core/get-struct-paths.ts

@@ -29,7 +29,11 @@ const generatePath = (isArray: boolean, currentPath: string, newPath: string, lo
  * console.log(result)
  *  // Output: {"1": "@{}","1.2": null}
  */
-export const getStructPaths = (struct: any, isLodashLike = false, paths: { [key: string]: any } = {}, currentPath = ''): StructPaths => {
+export const getStructPaths = (struct: any, isLodashLike = false, paths?: { [key: string]: any }, currentPath = ''): StructPaths => {
+  if (paths === undefined) {
+    paths = Array.isArray(struct) ? { '': '@[]' } : { '': '@{}' }
+  }
+
   for (const key of Object.keys(struct)) {
     const path = generatePath(Array.isArray(struct), currentPath, key, isLodashLike)