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23 lines
511 B
TypeScript
23 lines
511 B
TypeScript
import * as path from "./path/mod.ts";
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/**
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* Test whether or not `dest` is a sub-directory of `src`
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* @param src src file path
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* @param dest dest file path
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* @param sep path separator
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*/
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export function isSubdir(
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src: string,
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dest: string,
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sep: string = path.sep
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): boolean {
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if (src === dest) {
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return false;
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}
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const srcArray = src.split(sep);
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const destArray = dest.split(sep);
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return srcArray.reduce((acc, current, i) => {
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return acc && destArray[i] === current;
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}, true);
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}
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