Fix existsIn not working for symbols attached to arrays
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23067b4638
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@ -287,12 +287,5 @@ export function existsIn (json, path) {
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return true
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}
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if (Array.isArray(json)) {
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// index of an array
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return existsIn(json[parseInt(path[0], 10)], path.slice(1))
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}
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else { // Object
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// object property. find the index of this property
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return existsIn(json[path[0]], path.slice(1))
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}
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}
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@ -72,7 +72,7 @@ describe('immutabilityHelpers', () => {
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assert.throws(() => setIn(obj, ['a', 'b', 'c'], 4), /Path does not exist/)
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})
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it.only('setIn non existing path with createPath=true', () => {
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it('setIn non existing path with createPath=true', () => {
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const obj = {}
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assert.deepStrictEqual(setIn(obj, ['a', 'b', 'c'], 4, true), {
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@ -366,4 +366,25 @@ describe('immutabilityHelpers', () => {
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assert.deepStrictEqual(existsIn(json, ['obj', 'foo', 'bar']), false)
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assert.deepStrictEqual(existsIn(json, []), true)
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})
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it('existsIn should find symbols', () => {
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const json = {
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"obj": {
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"arr": [1,2, {"first":3,"last":4}]
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},
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"str": "hello world",
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"nill": null,
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"bool": false
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}
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const symbol = Symbol('mySymbol')
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const arrWithSymbol = [1, 2, 3]
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arrWithSymbol[symbol] = 'yes'
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assert.deepStrictEqual(existsIn(arrWithSymbol, [symbol]), true)
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assert.deepStrictEqual(existsIn([1, 2, 3], [symbol]), false)
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assert.deepStrictEqual(existsIn({ a: 1, [symbol]: 2 }, [symbol]), true)
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assert.deepStrictEqual(existsIn({ a: 1 }, [symbol]), false)
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})
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})
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