> Since the target (templateObj) is an array, I think the method should belong
> to Array, and it should behave like a join, but instead of joining array
> items with a string, it joins with many strings. Maybe something like
> Array.prototype.interspersedJoin (much like your String.default):
>
> [1,2,3].interspersedJoin(“a”, “b”) = “1a2b3”
> [1,2,3].interspersedJoin(“a”) = “1a23”
> [1,2,3].interspersedJoin(“a”,”b”,”c”) = “1a2b3c”
As for prototypal array approaches, one might rather think of
[interlock] for it more precisely names, what you are going to
achieve, and it also is not as specialized as your suggestion for an
[interspersedJoin] already needs to be - how about this approach?
<code><pre>
(function (Array) {
var
array_prototype = Array.prototype,
isFunction = (function (TYPEOF_FUNCTION_TYPE) {
return function (type) {
return (
(typeof type == TYPEOF_FUNCTION_TYPE)
&& (typeof type.call == TYPEOF_FUNCTION_TYPE)
&& (typeof type.apply == TYPEOF_FUNCTION_TYPE)
);
};
}("function")),
array_from = (isFunction(Array.from) && Array.from) || (function
(array_prototype_slice) {
return function (listType) {
return array_prototype_slice.call(listType);
};
}(array_prototype.slice))
;
array_prototype.interlock = function (listType) {
var
arr_A = array_from(this),
arr_B = array_from(listType),
len_A = arr_A.length,
len_B = arr_B.length,
len = (len_A + len_B),
idx_A,
idx_B,
idx = idx_A = idx_B = -1,
arr = []
;
arr.length = len;
while ((idx + 1) < len) {
//console.log("within while :: 1st part :: idx, len : ", idx, len);
if (++idx_A < len_A) {
++idx;
(idx_A in arr_A) && (arr[idx] = arr_A[idx_A]);
//console.log("within A condition :: idx_A, len_A, arr : ", idx_A, len_A, arr);
}
//console.log("within while :: 2nd part :: idx, len : ", idx, len);
if (++idx_B < len_B) {
++idx;
(idx_B in arr_B) && (arr[idx] = arr_B[idx_B]);
//console.log("within B condition :: idx_B, len_B, arr : ", idx_B, len_B, arr);
}
}
return arr;
};
}(Array));
console.log('[1,2,3].interlock("a");', [1,2,3].interlock("a"));
console.log('[1,2,3].interlock(["a"]);', [1,2,3].interlock(["a"]));
console.log('[1,2,3].interlock("a").join("");',
[1,2,3].interlock("a").join(""));
console.log('[1,2,3].interlock(["a"]).join("");',
[1,2,3].interlock(["a"]).join(""));
console.log('[1,2,3].interlock("ab");', [1,2,3].interlock("ab"));
console.log('[1,2,3].interlock(["a", "b"]);', [1,2,3].interlock(["a", "b"]));
console.log('[1,2,3].interlock("ab").join("");',
[1,2,3].interlock("ab").join(""));
console.log('[1,2,3].interlock(["a", "b"]).join("");',
[1,2,3].interlock(["a", "b"]).join(""));
console.log('[1,2,3].interlock("abc");', [1,2,3].interlock("abc"));
console.log('[1,2,3].interlock(["a", "b", "c"]);',
[1,2,3].interlock(["a", "b", "c"]));
console.log('[1,2,3].interlock("abc").join("");',
[1,2,3].interlock("abc").join(""));
console.log('[1,2,3].interlock(["a", "b", "c"]).join("");',
[1,2,3].interlock(["a", "b", "c"]).join(""));
/*
console.log("[1,3,5,7,9,11,13].interlock([2,4,6]);",
""+[1,3,5,7,9,11,13].interlock([2,4,6]));
console.log("[2,4,6].interlock([1,3,5,7,9,11,13]);",
""+[2,4,6].interlock([1,3,5,7,9,11,13]));
console.log("[2,,,4,,,6].interlock([1,3,5,7,9,11,13,]);",
""+[2,,,4,,,6].interlock([1,3,5,7,9,11,13,]));
console.log("[2,,,4,,,6].interlock([1,3,5,7,9,11,13,,]);",
""+[2,,,4,,,6].interlock([1,3,5,7,9,11,13,,]));
console.log("[2,,,4,,,6].interlock([1,3,5,7,9,11,13,,,]);",
""+[2,,,4,,,6].interlock([1,3,5,7,9,11,13,,,]));
console.log("[2,,,4,,,6].interlock([1,3,,5,7,,9,,11,13,,,]);",
""+[2,,,4,,,6].interlock([1,3,,5,7,,9,,11,13,,,]));
console.log("[2,,,4,,,6].interlock([1,,3,,5,,7,,,9,,,11,13,,,]);",
""+[2,,,4,,,6].interlock([1,,3,,5,,7,,,9,,,11,13,,,]));
*/
</pre></code>
_______________________________________________
es-discuss mailing list
[email protected]
https://mail.mozilla.org/listinfo/es-discuss
