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LibJS: Implement Intl.Segmenter.prototype.segment
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4 changed files with 30 additions and 0 deletions
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@ -389,6 +389,7 @@ namespace JS {
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P(seal) \
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P(second) \
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P(seconds) \
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P(segment) \
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P(sensitivity) \
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P(set) \
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P(setBigInt64) \
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@ -7,6 +7,7 @@
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Intl/Segmenter.h>
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#include <LibJS/Runtime/Intl/SegmenterPrototype.h>
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#include <LibJS/Runtime/Intl/Segments.h>
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namespace JS::Intl {
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@ -27,6 +28,7 @@ void SegmenterPrototype::initialize(GlobalObject& global_object)
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(vm.names.resolvedOptions, resolved_options, 0, attr);
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define_native_function(vm.names.segment, segment, 1, attr);
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}
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// 18.3.4 Intl.Segmenter.prototype.resolvedOptions ( ), https://tc39.es/ecma402/#sec-intl.segmenter.prototype.resolvedoptions
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@ -51,4 +53,18 @@ JS_DEFINE_NATIVE_FUNCTION(SegmenterPrototype::resolved_options)
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return options;
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}
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// 18.3.3 Intl.Segmenter.prototype.segment ( string ), https://tc39.es/ecma402/#sec-intl.segmenter.prototype.segment
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JS_DEFINE_NATIVE_FUNCTION(SegmenterPrototype::segment)
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{
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// 1. Let segmenter be the this value.
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// 2. Perform ? RequireInternalSlot(segmenter, [[InitializedSegmenter]]).
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auto* segmenter = TRY(typed_this_object(global_object));
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// 3. Let string be ? ToString(string).
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auto string = TRY(vm.argument(0).to_string(global_object));
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// 4. Return ! CreateSegmentsObject(segmenter, string).
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return Segments::create(global_object, *segmenter, move(string));
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}
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}
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@ -20,6 +20,7 @@ public:
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virtual ~SegmenterPrototype() override = default;
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private:
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JS_DECLARE_NATIVE_FUNCTION(segment);
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JS_DECLARE_NATIVE_FUNCTION(resolved_options);
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};
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@ -0,0 +1,12 @@
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describe("correct behavior", () => {
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test("length is 1", () => {
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expect(Intl.Segmenter.prototype.segment).toHaveLength(1);
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});
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test("returns segments object with shared segments prototype", () => {
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const segmenter = new Intl.Segmenter();
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expect(Object.getPrototypeOf(segmenter.segment("hello"))).toBe(
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Object.getPrototypeOf(segmenter.segment("friends"))
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);
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});
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});
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