46 lines
1.6 KiB
JavaScript
46 lines
1.6 KiB
JavaScript
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(function(root, factory) {
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'use strict';
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// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, Rhino, and browsers.
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/* istanbul ignore next */
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if (typeof define === 'function' && define.amd) {
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define('stack-generator', ['stackframe'], factory);
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} else if (typeof exports === 'object') {
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module.exports = factory(require('stackframe'));
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} else {
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root.StackGenerator = factory(root.StackFrame);
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}
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}(this, function(StackFrame) {
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return {
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backtrace: function StackGenerator$$backtrace(opts) {
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var stack = [];
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var maxStackSize = 10;
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if (typeof opts === 'object' && typeof opts.maxStackSize === 'number') {
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maxStackSize = opts.maxStackSize;
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}
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var curr = arguments.callee;
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while (curr && stack.length < maxStackSize && curr['arguments']) {
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// Allow V8 optimizations
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var args = new Array(curr['arguments'].length);
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for (var i = 0; i < args.length; ++i) {
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args[i] = curr['arguments'][i];
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}
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if (/function(?:\s+([\w$]+))+\s*\(/.test(curr.toString())) {
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stack.push(new StackFrame({functionName: RegExp.$1 || undefined, args: args}));
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} else {
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stack.push(new StackFrame({args: args}));
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}
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try {
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curr = curr.caller;
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} catch (e) {
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break;
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}
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}
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return stack;
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}
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};
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}));
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