Implement Map.groupBy
This commit is contained in:
Ben Noordhuis
parent
3e54403b08
commit
22a3d80740
2 changed files with 87 additions and 22 deletions
87
quickjs.c
87
quickjs.c
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@ -43967,6 +43967,92 @@ static JSValue js_map_forEach(JSContext *ctx, JSValueConst this_val,
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return JS_UNDEFINED;
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}
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static JSValue js_map_groupBy(JSContext *ctx, JSValueConst this_val,
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int argc, JSValueConst *argv)
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{
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JSValue cb, res, iter, next, groups, k, v, prop;
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JSValue args[2];
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int64_t idx;
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BOOL done;
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// "is function?" check must be observed before argv[0] is accessed
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cb = argv[1];
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if (check_function(ctx, cb))
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return JS_EXCEPTION;
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iter = JS_GetIterator(ctx, argv[0], /*is_async*/FALSE);
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if (JS_IsException(iter))
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return JS_EXCEPTION;
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k = JS_UNDEFINED;
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v = JS_UNDEFINED;
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prop = JS_UNDEFINED;
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groups = JS_UNDEFINED;
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next = JS_GetProperty(ctx, iter, JS_ATOM_next);
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if (JS_IsException(next))
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goto exception;
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groups = js_map_constructor(ctx, JS_UNDEFINED, 0, NULL, 0);
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if (JS_IsException(groups))
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goto exception;
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for (idx = 0; ; idx++) {
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v = JS_IteratorNext(ctx, iter, next, 0, NULL, &done);
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if (JS_IsException(v))
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goto exception;
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if (done)
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break; // v is JS_UNDEFINED
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args[0] = v;
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args[1] = JS_NewInt64(ctx, idx);
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k = JS_Call(ctx, cb, ctx->global_obj, 2, args);
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if (JS_IsException(k))
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goto exception;
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prop = js_map_get(ctx, groups, 1, &k, 0);
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if (JS_IsException(prop))
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goto exception;
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if (JS_IsUndefined(prop)) {
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prop = JS_NewArray(ctx);
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if (JS_IsException(prop))
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goto exception;
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args[0] = k;
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args[1] = prop;
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res = js_map_set(ctx, groups, 2, args, 0);
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if (JS_IsException(res))
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goto exception;
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JS_FreeValue(ctx, res);
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}
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res = js_array_push(ctx, prop, 1, &v, /*unshift*/0);
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if (JS_IsException(res))
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goto exception;
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// res is an int64
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JS_FreeValue(ctx, prop);
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JS_FreeValue(ctx, k);
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JS_FreeValue(ctx, v);
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prop = JS_UNDEFINED;
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k = JS_UNDEFINED;
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v = JS_UNDEFINED;
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}
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JS_FreeValue(ctx, iter);
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JS_FreeValue(ctx, next);
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return groups;
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exception:
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JS_FreeValue(ctx, prop);
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JS_FreeValue(ctx, k);
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JS_FreeValue(ctx, v);
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JS_FreeValue(ctx, groups);
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JS_FreeValue(ctx, iter);
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JS_FreeValue(ctx, next);
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return JS_EXCEPTION;
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}
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static void js_map_finalizer(JSRuntime *rt, JSValue val)
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{
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JSObject *p;
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@ -44147,6 +44233,7 @@ static JSValue js_map_iterator_next(JSContext *ctx, JSValueConst this_val,
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}
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static const JSCFunctionListEntry js_map_funcs[] = {
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JS_CFUNC_DEF("groupBy", 2, js_map_groupBy ),
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JS_CGETSET_DEF("[Symbol.species]", js_get_this, NULL ),
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};
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@ -1,28 +1,6 @@
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test262/test/annexB/language/eval-code/direct/script-decl-lex-collision-in-sloppy-mode.js:13: Test262Error: Expected a SyntaxError to be thrown but no exception was thrown at all
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test262/test/built-ins/AsyncGeneratorPrototype/return/return-suspendedYield-broken-promise-try-catch.js:39: TypeError: $DONE() not called
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test262/test/built-ins/AsyncGeneratorPrototype/return/return-suspendedYield-broken-promise-try-catch.js:39: strict mode: TypeError: $DONE() not called
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test262/test/built-ins/Map/groupBy/callback-arg.js:30: TypeError: not a function
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test262/test/built-ins/Map/groupBy/callback-arg.js:30: strict mode: TypeError: not a function
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test262/test/built-ins/Map/groupBy/callback-throws.js:20: Test262Error: Expected a Test262Error but got a TypeError
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test262/test/built-ins/Map/groupBy/callback-throws.js:20: strict mode: Test262Error: Expected a Test262Error but got a TypeError
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test262/test/built-ins/Map/groupBy/emptyList.js:24: TypeError: not a function
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test262/test/built-ins/Map/groupBy/emptyList.js:24: strict mode: TypeError: not a function
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test262/test/built-ins/Map/groupBy/evenOdd.js:18: TypeError: not a function
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test262/test/built-ins/Map/groupBy/evenOdd.js:18: strict mode: TypeError: not a function
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test262/test/built-ins/Map/groupBy/groupLength.js:17: TypeError: not a function
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test262/test/built-ins/Map/groupBy/groupLength.js:17: strict mode: TypeError: not a function
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test262/test/built-ins/Map/groupBy/iterator-next-throws.js:26: Test262Error: Expected a Test262Error but got a TypeError
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test262/test/built-ins/Map/groupBy/iterator-next-throws.js:26: strict mode: Test262Error: Expected a Test262Error but got a TypeError
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test262/test/built-ins/Map/groupBy/length.js:25: TypeError: cannot convert to object
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test262/test/built-ins/Map/groupBy/length.js:25: strict mode: TypeError: cannot convert to object
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test262/test/built-ins/Map/groupBy/map-instance.js:24: TypeError: not a function
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test262/test/built-ins/Map/groupBy/map-instance.js:24: strict mode: TypeError: not a function
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test262/test/built-ins/Map/groupBy/name.js:25: TypeError: cannot convert to object
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test262/test/built-ins/Map/groupBy/name.js:25: strict mode: TypeError: cannot convert to object
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test262/test/built-ins/Map/groupBy/negativeZero.js:27: TypeError: not a function
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test262/test/built-ins/Map/groupBy/negativeZero.js:27: strict mode: TypeError: not a function
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test262/test/built-ins/Map/groupBy/toPropertyKey.js:24: TypeError: not a function
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test262/test/built-ins/Map/groupBy/toPropertyKey.js:24: strict mode: TypeError: not a function
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test262/test/built-ins/RegExp/lookahead-quantifier-match-groups.js:27: Test262Error: Expected [a, abc] and [a, undefined] to have the same contents. ? quantifier
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test262/test/built-ins/RegExp/lookahead-quantifier-match-groups.js:27: strict mode: Test262Error: Expected [a, abc] and [a, undefined] to have the same contents. ? quantifier
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test262/test/built-ins/TypedArray/prototype/set/array-arg-targetbuffer-detached-on-get-src-value-no-throw.js:30: TypeError: out-of-bound numeric index (Testing with Float64Array.)
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