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feat: std.flattenDeepArray Concatenate an array containing values and arrays into a single flattened array. #1082

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Merged
sparkprime merged 2 commits into from
Jun 13, 2023
Merged

feat: std.flattenDeepArray Concatenate an array containing values and arrays into a single flattened array. #1082

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6be9948
std.compactArray recursively flattens multiple arrays
bitmaybewise May 7, 2023
7d8b015
Changing compactArray function to flattenDeepArray
bitmaybewise Jun 3, 2023
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14 changes: 14 additions & 0 deletions doc/_stdlib_gen/stdlib-content.jsonnet
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Expand Up @@ -1270,6 +1270,20 @@ local html = import 'html.libsonnet';
},
],
},
{
name: 'flattenDeepArray',
params: ['value'],
availableSince: 'upcoming',
description: |||
Concatenate an array containing values and arrays into a single flattened array.
|||,
examples: [
{
input: 'std.flattenDeepArray([[1, 2], [], [3, [4]], [[5, 6, [null]], [7, 8]]])',
output: std.flattenDeepArray([[1, 2], [], [3, [4]], [[5, 6, [null]], [7, 8]]]),
},
],
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},
{
name: 'reverse',
params: ['arrs'],
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6 changes: 6 additions & 0 deletions stdlib/std.jsonnet
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Expand Up @@ -865,6 +865,12 @@ limitations under the License.
flattenArrays(arrs)::
std.foldl(function(a, b) a + b, arrs, []),

flattenDeepArray(value)::
if std.isArray(value) then
[y for x in value for y in std.flattenDeepArray(x)]
else
[value],

manifestIni(ini)::
local body_lines(body) =
std.join([], [
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5 changes: 5 additions & 0 deletions test_suite/stdlib.jsonnet
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Expand Up @@ -313,6 +313,11 @@ std.assertEqual(std.lines(['a', null, 'b']), 'a\nb\n') &&

std.assertEqual(std.flattenArrays([[1, 2, 3], [4, 5, 6], []]), [1, 2, 3, 4, 5, 6]) &&

std.assertEqual(std.flattenDeepArray([]), []) &&
std.assertEqual(std.flattenDeepArray([1, 2, 3]), [1, 2, 3]) &&
std.assertEqual(std.flattenDeepArray([1, [2, 3]]), [1, 2, 3]) &&
std.assertEqual(std.flattenDeepArray([[1], [2, 3], [[null]]]), [1, 2, 3, null]) &&

std.assertEqual(
std.manifestIni({
main: { a: '1', b: '2' },
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