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Code Issues Releases Wiki Activity

Added Array.findIndex() polyfill

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This commit is contained in:
Bryan Roe
2020-07-28 15:16:09 -07:00
parent 1064fee868
commit 3757910295
1 changed files with 40 additions and 1 deletions
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41
microscript/ILibDuktape_Polyfills.c
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@@ -482,13 +482,52 @@ duk_ret_t ILibDuktape_Polyfills_Array_partialIncludes(duk_context *ctx)
duk_push_int(ctx, -1);
return(1);
}
duk_ret_t ILibDuktape_Polyfills_Array_findIndex(duk_context *ctx)
{
duk_idx_t nargs = duk_get_top(ctx);
duk_push_this(ctx); // [array]
duk_size_t sz = duk_get_length(ctx, -1);
duk_uarridx_t i;
for (i = 0; i < sz; ++i)
{
duk_dup(ctx, 0); // [array][func]
if (nargs > 1 && duk_is_function(ctx, 1))
{
duk_dup(ctx, 1); // [array][func][this]
}
else
{
duk_push_this(ctx); // [array][func][this]
}
duk_get_prop_index(ctx, -3, i); // [array][func][this][element]
duk_push_uint(ctx, i); // [array][func][this][element][index]
duk_push_this(ctx); // [array][func][this][element][index][array]
duk_call_method(ctx, 3); // [array][ret]
if (!duk_is_undefined(ctx, -1) && duk_is_boolean(ctx, -1) && duk_to_boolean(ctx, -1) != 0)
{
duk_push_uint(ctx, i);
return(1);
}
duk_pop(ctx); // [array]
}
duk_push_int(ctx, -1);
return(1);
}
void ILibDuktape_Polyfills_Array(duk_context *ctx)
{
// Polyfill 'Array.includes'
duk_get_prop_string(ctx, -1, "Array"); // [Array]
duk_get_prop_string(ctx, -1, "prototype"); // [Array][proto]
// Polyfill 'Array.includes'
ILibDuktape_CreateProperty_InstanceMethod(ctx, "includes", ILibDuktape_Polyfills_Array_includes, 1);
// Polyfill 'Array.partialIncludes'
ILibDuktape_CreateProperty_InstanceMethod(ctx, "partialIncludes", ILibDuktape_Polyfills_Array_partialIncludes, 1);
// Polyfill 'Array.findIndex'
ILibDuktape_CreateProperty_InstanceMethod(ctx, "findIndex", ILibDuktape_Polyfills_Array_findIndex, DUK_VARARGS);
duk_pop_2(ctx); // ...
}
void ILibDuktape_Polyfills_String(duk_context *ctx)