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Name	Size	Last Modified
[D]browser/	-	2022-10-08 17:28:29
[D]node/	-	2022-10-08 17:28:30
[D]visitors/	-	2022-10-08 17:28:30
[F]debug-utils.js Edit	735 bytes	2022-10-08 17:28:30
[F]define-provider.js Edit	180 bytes	2022-10-08 17:28:30
[F]imports-cache.js Edit	4.14 KB	2022-10-08 17:28:30
[F]index.js Edit	11.60 KB	2022-10-08 17:28:30
[F]meta-resolver.js Edit	1.36 KB	2022-10-08 17:28:30
[F]normalize-options.js Edit	2.30 KB	2022-10-08 17:28:30
[F]types.js Edit	41 bytes	2022-10-08 17:28:30
[F]utils.js Edit	5.40 KB	2022-10-08 17:28:30

Editing: normalize-options.js

"use strict";

exports.__esModule = true;
exports.applyMissingDependenciesDefaults = applyMissingDependenciesDefaults;
exports.validateIncludeExclude = validateIncludeExclude;

var _utils = require("./utils");

function patternToRegExp(pattern) {
  if (pattern instanceof RegExp) return pattern;

try {
    return new RegExp(`^${pattern}$`);
  } catch (_unused) {
    return null;
  }
}

function buildUnusedError(label, unused) {
  if (!unused.length) return "";
  return `  - The following "${label}" patterns didn't match any polyfill:\n` + unused.map(original => `    ${String(original)}\n`).join("");
}

function buldDuplicatesError(duplicates) {
  if (!duplicates.size) return "";
  return `  - The following polyfills were matched both by "include" and "exclude" patterns:\n` + Array.from(duplicates, name => `    ${name}\n`).join("");
}

function validateIncludeExclude(provider, polyfills, includePatterns, excludePatterns) {
  let current;

const filter = pattern => {
    const regexp = patternToRegExp(pattern);
    if (!regexp) return false;
    let matched = false;

for (const polyfill of polyfills) {
      if (regexp.test(polyfill)) {
        matched = true;
        current.add(polyfill);
      }
    }

return !matched;
  }; // prettier-ignore

const include = current = new Set();
  const unusedInclude = Array.from(includePatterns).filter(filter); // prettier-ignore

const exclude = current = new Set();
  const unusedExclude = Array.from(excludePatterns).filter(filter);
  const duplicates = (0, _utils.intersection)(include, exclude);

if (duplicates.size > 0 || unusedInclude.length > 0 || unusedExclude.length > 0) {
    throw new Error(`Error while validating the "${provider}" provider options:\n` + buildUnusedError("include", unusedInclude) + buildUnusedError("exclude", unusedExclude) + buldDuplicatesError(duplicates));
  }

return {
    include,
    exclude
  };
}

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