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const assert = require('assert')import { eq } from './_internals/testUtils.js'import { dissocPath } from './dissocPath.js'
const testInput = {  a : {    b : 1,    c : 2,    d : { e : 3 },  },  f : [    { g : 4 },    {      h : 5,      i : 6,      j : {        k : 7,        l : 8,      },    },  ],  m : 9,}
test('update array', () => {  const expected = {    a : {      b : 1,      c : 2,      d : { e : 3 },    },    f : [      { g : 4 },      {        h : 5,        j : {          k : 7,          l : 8,        },      },    ],    m : 9,  }  const result = dissocPath('f.1.i', testInput)  expect(result).toEqual(expected)})
test('update object', () => {  const result = dissocPath('a.b', testInput)  const expected = {    a : {      c : 2,      d : { e : 3 },    },    f : [      { g : 4 },      {        h : 5,        i : 6,        j : {          k : 7,          l : 8,        },      },    ],    m : 9,  }  expect(result).toEqual(expected)})
test('does not try to omit inner properties that do not exist', () => {  const obj1 = {    a : 1,    b : {      c : 2,      d : 3,    },    e : 4,    f : 5,  }  const obj2 = dissocPath([ 'x', 0, 'z' ], obj1)  eq(obj2, {    a : 1,    b : {      c : 2,      d : 3,    },    e : 4,    f : 5,  })  // Note: reference equality below!  assert.strictEqual(obj2.a, obj1.a)  assert.strictEqual(obj2.b, obj1.b)  assert.strictEqual(obj2.f, obj1.f)})
test('leaves an empty object when all properties omitted', () => {  const obj1 = {    a : 1,    b : { c : 2 },    d : 3,  }  const obj2 = dissocPath([ 'b', 'c' ], obj1)  eq(obj2, {    a : 1,    b : {},    d : 3,  })})
test('leaves an empty array when all indexes are omitted', () => {  const obj1 = {    a : 1,    b : [ 2 ],    d : 3,  }  const obj2 = dissocPath([ 'b', 0 ], obj1)  eq(obj2, {    a : 1,    b : [],    d : 3,  })})
test('accepts empty path', () => {  eq(dissocPath([], {    a : 1,    b : 2,  }),  {    a : 1,    b : 2,  })})
test('allow integer to be used as key for object', () => {  eq(dissocPath([ 42 ], {    42 : 3,    a  : 1,    b  : 2,  }),  {    a : 1,    b : 2,  })})
test('support remove null/undefined value path', () => {  eq(dissocPath([ 'c', 'd' ], {    a : 1,    b : 2,    c : null,  }),  {    a : 1,    b : 2,    c : null,  })  eq(dissocPath([ 'c', 'd' ], {    a : 1,    b : 2,    c : undefined,  }),  {    a : 1,    b : 2,    c : undefined,  })
  const obj1 = {    a : 1,    b : 2,  }  const obj2 = dissocPath([ 'c', 'd' ], obj1)
  eq(obj2, obj1)
  // NOTE: commented out on purpose  // assert.notStrictEqual(obj2, obj1)})