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[Dart] feat: support at most 4-level deep nested list deserialization in Dart generator #22360

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[Dart] feat: support at most 4-level deep nested list deserialization in Dart generator #22360

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31 changes: 21 additions & 10 deletions ...les/openapi-generator/src/main/resources/dart2/serialization/native/native_class.mustache
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Original file line number Diff line number Diff line change
Expand Up @@ -139,16 +139,27 @@ class {{{classname}}} {
{{#complexType}}
{{#isArray}}
{{#items.isArray}}
{{{name}}}: json[r'{{{baseName}}}'] is List
? (json[r'{{{baseName}}}'] as List).map((e) =>
{{#items.complexType}}
{{items.complexType}}.listFromJson(json[r'{{{baseName}}}']){{#uniqueItems}}.toSet(){{/uniqueItems}}
{{/items.complexType}}
{{^items.complexType}}
e == null ? {{#items.isNullable}}null{{/items.isNullable}}{{^items.isNullable}}const <{{items.items.dataType}}>[]{{/items.isNullable}} : (e as List).cast<{{items.items.dataType}}>()
{{/items.complexType}}
).toList()
: {{#isNullable}}null{{/isNullable}}{{^isNullable}}const []{{/isNullable}},
{{{name}}}: json[r'{{{baseName}}}'] is List
? (json[r'{{{baseName}}}'] as List).map((level1) =>
(level1 as List).map((level2) =>
{{#items.items.isArray}}
(level2 as List).map((level3) =>
{{#items.items.items.isArray}}
(level3 as List).map((level4) =>
level4 as {{items.items.items.items.dataType}}
).toList()
{{/items.items.items.isArray}}
{{^items.items.items.isArray}}
level3 as {{items.items.items.dataType}}
{{/items.items.items.isArray}}
).toList()
{{/items.items.isArray}}
{{^items.items.isArray}}
level2 as {{items.items.dataType}}
{{/items.items.isArray}}
).toList()
).toList()
: {{#isNullable}}null{{/isNullable}}{{^isNullable}}const []{{/isNullable}},
{{/items.isArray}}
{{^items.isArray}}
{{{name}}}: {{{complexType}}}.listFromJson(json[r'{{{baseName}}}']){{#uniqueItems}}.toSet(){{/uniqueItems}},
Expand Down