62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
/*
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Function: $defined
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Returns true if the passed in value/object is defined, that means is not null or undefined.
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Arguments:
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obj - object to inspect
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*/
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$defined = function (obj) {
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return (obj != undefined);
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};
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$assert = function (assert, message) {
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if (!$defined(assert) || !assert) {
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logStackTrace();
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console.log(message);
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throw new Error(message);
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}
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};
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Math.sign = function (value) {
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return (value >= 0) ? 1 : -1;
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};
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function logStackTrace(exception) {
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if (!$defined(exception)) {
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try {
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throw Error("Unexpected Exception");
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} catch (e) {
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exception = e;
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}
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}
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var result = "";
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if (exception.stack) { //Firefox and Chrome...
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result = exception.stack;
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}
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else if (window.opera && exception.message) { //Opera
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result = exception.message;
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} else { //IE and Safari
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result = exception.sourceURL + ': ' + exception.line + "\n\n";
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var currentFunction = arguments.callee.caller;
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while (currentFunction) {
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var fn = currentFunction.toString();
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result = result + "\n" + fn;
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currentFunction = currentFunction.caller;
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}
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}
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window.errorStack = result;
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return result;
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}
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// Support for Windows ...
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if (!window.console) {
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console = {
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log:function (e) {
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}
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};
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} |