38 lines
641 B
JavaScript
38 lines
641 B
JavaScript
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'use strict';
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const callsites = require('callsites');
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module.exports = filepath => {
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const stacks = callsites();
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if (!filepath) {
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return stacks[2].getFileName();
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}
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let seenVal = false;
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// Skip the first stack as it's this function
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stacks.shift();
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for (const stack of stacks) {
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const parentFilepath = stack.getFileName();
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if (typeof parentFilepath !== 'string') {
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continue;
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}
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if (parentFilepath === filepath) {
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seenVal = true;
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continue;
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}
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// Skip native modules
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if (parentFilepath === 'module.js') {
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continue;
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}
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if (seenVal && parentFilepath !== filepath) {
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return parentFilepath;
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}
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}
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};
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