eslint-plugin-esm
Version:
ESLint plugin for linting ESM (import/export syntax)
28 lines • 3.85 kB
JavaScript
import path from "node:path";
import { create, createRule, getRuleName, getSourceType } from "../common.js";
export const noUselessPathSegments = createRule({
name: getRuleName(import.meta.url),
message: "The relative source path should be a nearest relative path.",
create: (context) => create(context, check),
});
function check(filename, source) {
if (getSourceType(source) !== "local" ||
source.startsWith("/") ||
source === ".") {
return false;
}
if (source.endsWith("/")) {
return true;
}
const currentPath = path.dirname(filename);
const absoluteSource = path.resolve(currentPath, source);
// compatible with windows
let resultPath = path
.relative(currentPath, absoluteSource)
.replaceAll("\\", "/");
if (!resultPath.startsWith("./") && !resultPath.startsWith("..")) {
resultPath = `./${resultPath}`;
}
return resultPath !== source;
}
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