30 lines
783 B
JavaScript
30 lines
783 B
JavaScript
function rawParse(str) {
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const lines = (str || '').split('\n');
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const entries = lines.map((line) => {
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line = line.trim();
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const res = line.match(/at (.+) \((.+)\)/)||[]
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return {
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beforeParse: line,
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callee: res[1]
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};
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});
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return entries.filter((x) => x.callee !== undefined);
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}
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function createStruct(fn) {
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const structFactory = () => {
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const error = new Error();
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const items = rawParse(error.stack).filter((i) => i.callee === 'structFactory').map((i) => i.beforeParse);
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const isCircle = items.length > Array.from(new Set(items)).length;
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if (isCircle) {
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return {};
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}
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const res = fn();
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return res;
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};
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return structFactory;
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}
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module.exports={ createStruct }
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