prefixFunc : function()

in trimpath/template.js [85:106]

• 21 lines of code
• 2 McCabe index (conditional complexity)

                     prefixFunc : function(stmtParts, state, tmplName, etc) {
                        if (stmtParts[2] != "in")
                            throw new etc.ParseError(tmplName, state.line, "bad for loop statement: " + stmtParts.join(' '));
                        var iterVar = stmtParts[1];
                        var listVar = "__LIST__" + iterVar;
                        return [ "var ", listVar, " = ", stmtParts[3], ";",
                             // Fix from Ross Shaull for hash looping, make sure that we have an array of loop lengths to treat like a stack.
                             "var __LENGTH_STACK__;",
                             "if (typeof(__LENGTH_STACK__) == 'undefined' || !__LENGTH_STACK__.length) __LENGTH_STACK__ = new Array();", 
                             "__LENGTH_STACK__[__LENGTH_STACK__.length] = 0;", // Push a new for-loop onto the stack of loop lengths.
                             "if ((", listVar, ") != null) { ",
                             "var ", iterVar, "_ct = 0;",       // iterVar_ct variable, added by B. Bittman     
                             "for (var ", iterVar, "_index in ", listVar, ") { ",
                             iterVar, "_ct++;",
                             "if (typeof(", listVar, "[", iterVar, "_index]) == 'function') {continue;}", // IE 5.x fix from Igor Poteryaev.
                             "__LENGTH_STACK__[__LENGTH_STACK__.length - 1]++;",
                             "var ", iterVar, " = ", listVar, "[", iterVar, "_index];" ].join("");
                     } },
        "forelse" : { delta:  0, prefix: "} } if (__LENGTH_STACK__[__LENGTH_STACK__.length - 1] == 0) { if (", suffix: ") {", paramDefault: "true" },
        "/for"    : { delta: -1, prefix: "} }; delete __LENGTH_STACK__[__LENGTH_STACK__.length - 1];" }, // Remove the just-finished for-loop from the stack of loop lengths.
        "var"     : { delta:  0, prefix: "var ", suffix: ";" },
        "macro"   : { delta:  1,