21 lines
844 B
JavaScript
Executable file
21 lines
844 B
JavaScript
Executable file
var uncurryThis = require('../internals/function-uncurry-this');
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var arraySlice = require('../internals/array-slice');
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var replace = uncurryThis(''.replace);
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var split = uncurryThis(''.split);
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var join = uncurryThis([].join);
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var TEST = (function (arg) { return String(Error(arg).stack); })('zxcasd');
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var V8_OR_CHAKRA_STACK_ENTRY = /\n\s*at [^:]*:[^\n]*/;
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var IS_V8_OR_CHAKRA_STACK = V8_OR_CHAKRA_STACK_ENTRY.test(TEST);
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var IS_FIREFOX_OR_SAFARI_STACK = /@[^\n]*\n/.test(TEST) && !/zxcasd/.test(TEST);
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module.exports = function (stack, dropEntries) {
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if (typeof stack != 'string') return stack;
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if (IS_V8_OR_CHAKRA_STACK) {
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while (dropEntries--) stack = replace(stack, V8_OR_CHAKRA_STACK_ENTRY, '');
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} else if (IS_FIREFOX_OR_SAFARI_STACK) {
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return join(arraySlice(split(stack, '\n'), dropEntries), '\n');
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} return stack;
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};
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