67 lines
2.6 KiB
JavaScript
67 lines
2.6 KiB
JavaScript
import { isAbsolute, join, resolve } from "pathe";
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import pm from "picomatch";
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//#region src/path.ts
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/**
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* Converts path separators to forward slash.
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*/
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function normalizePath(filename) {
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return filename.replaceAll("\\", "/");
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}
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//#endregion
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//#region src/utils.ts
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const isArray = Array.isArray;
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function toArray(thing) {
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if (isArray(thing)) return thing;
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if (thing == null) return [];
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return [thing];
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}
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//#endregion
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//#region src/filter.ts
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const escapeMark = "[_#EsCaPe#_]";
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function getMatcherString(id, resolutionBase) {
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if (resolutionBase === false || isAbsolute(id) || id.startsWith("**")) return normalizePath(id);
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const basePath = normalizePath(resolve(resolutionBase || "")).replaceAll(/[-^$*+?.()|[\]{}]/g, `${escapeMark}$&`);
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return join(basePath, normalizePath(id)).replaceAll(escapeMark, "\\");
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}
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/**
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* Constructs a filter function which can be used to determine whether or not
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* certain modules should be operated upon.
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* @param include If `include` is omitted or has zero length, filter will return `true` by default.
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* @param exclude ID must not match any of the `exclude` patterns.
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* @param options Additional options.
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* @param options.resolve Optionally resolves the patterns against a directory other than `process.cwd()`.
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* If a `string` is specified, then the value will be used as the base directory.
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* Relative paths will be resolved against `process.cwd()` first.
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* If `false`, then the patterns will not be resolved against any directory.
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* This can be useful if you want to create a filter for virtual module names.
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*/
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function createFilter(include, exclude, options) {
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const resolutionBase = options && options.resolve;
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const getMatcher = (id) => id instanceof RegExp ? id : { test: (what) => {
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const pattern = getMatcherString(id, resolutionBase);
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return pm(pattern, { dot: true })(what);
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} };
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const includeMatchers = toArray(include).map(getMatcher);
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const excludeMatchers = toArray(exclude).map(getMatcher);
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if (!includeMatchers.length && !excludeMatchers.length) return (id) => typeof id === "string" && !id.includes("\0");
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return function result(id) {
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if (typeof id !== "string") return false;
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if (id.includes("\0")) return false;
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const pathId = normalizePath(id);
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for (const matcher of excludeMatchers) {
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if (matcher instanceof RegExp) matcher.lastIndex = 0;
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if (matcher.test(pathId)) return false;
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}
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for (const matcher of includeMatchers) {
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if (matcher instanceof RegExp) matcher.lastIndex = 0;
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if (matcher.test(pathId)) return true;
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}
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return !includeMatchers.length;
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};
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}
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//#endregion
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export { createFilter, normalizePath, toArray }; |