93 lines
2.5 KiB
JavaScript
93 lines
2.5 KiB
JavaScript
'use strict';
|
|
|
|
const debug = require('debug')('stylelint:file-cache');
|
|
const fileEntryCache = require('file-entry-cache');
|
|
const path = require('path');
|
|
|
|
const pkg = require('../../package.json');
|
|
const getCacheFile = require('./getCacheFile');
|
|
const hash = require('./hash');
|
|
const {
|
|
DEFAULT_CACHE_LOCATION,
|
|
CACHE_STRATEGY_METADATA,
|
|
CACHE_STRATEGY_CONTENT,
|
|
DEFAULT_CACHE_STRATEGY,
|
|
} = require('../constants');
|
|
|
|
/** @typedef {import('file-entry-cache').FileDescriptor["meta"] & { hashOfConfig?: string }} CacheMetadata */
|
|
|
|
class FileCache {
|
|
constructor(
|
|
cacheLocation = DEFAULT_CACHE_LOCATION,
|
|
cacheStrategy = DEFAULT_CACHE_STRATEGY,
|
|
cwd = process.cwd(),
|
|
) {
|
|
if (![CACHE_STRATEGY_METADATA, CACHE_STRATEGY_CONTENT].includes(cacheStrategy)) {
|
|
throw new Error(
|
|
`"${cacheStrategy}" cache strategy is unsupported. Specify either "${CACHE_STRATEGY_METADATA}" or "${CACHE_STRATEGY_CONTENT}"`,
|
|
);
|
|
}
|
|
|
|
const cacheFile = path.resolve(getCacheFile(cacheLocation, cwd));
|
|
const useCheckSum = cacheStrategy === CACHE_STRATEGY_CONTENT;
|
|
|
|
debug(`Cache file is created at ${cacheFile}`);
|
|
this._fileCache = fileEntryCache.create(cacheFile, undefined, useCheckSum);
|
|
this._hashOfConfig = '';
|
|
}
|
|
|
|
/**
|
|
* @param {import('stylelint').Config} config
|
|
*/
|
|
calcHashOfConfig(config) {
|
|
if (this._hashOfConfig) return;
|
|
|
|
const stylelintVersion = pkg.version;
|
|
const configString = JSON.stringify(config || {});
|
|
|
|
this._hashOfConfig = hash(`${stylelintVersion}_${configString}`);
|
|
}
|
|
|
|
/**
|
|
* @param {string} absoluteFilepath
|
|
* @return {boolean}
|
|
*/
|
|
hasFileChanged(absoluteFilepath) {
|
|
// Get file descriptor compares current metadata against cached
|
|
// one and stores the result to "changed" prop.w
|
|
const descriptor = this._fileCache.getFileDescriptor(absoluteFilepath);
|
|
/** @type {CacheMetadata} */
|
|
const meta = descriptor.meta || {};
|
|
const changed = descriptor.changed || meta.hashOfConfig !== this._hashOfConfig;
|
|
|
|
if (!changed) {
|
|
debug(`Skip linting ${absoluteFilepath}. File hasn't changed.`);
|
|
}
|
|
|
|
// Mutate file descriptor object and store config hash to each file.
|
|
// Running lint with different config should invalidate the cache.
|
|
if (meta.hashOfConfig !== this._hashOfConfig) {
|
|
meta.hashOfConfig = this._hashOfConfig;
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
reconcile() {
|
|
this._fileCache.reconcile();
|
|
}
|
|
|
|
destroy() {
|
|
this._fileCache.destroy();
|
|
}
|
|
|
|
/**
|
|
* @param {string} absoluteFilepath
|
|
*/
|
|
removeEntry(absoluteFilepath) {
|
|
this._fileCache.removeEntry(absoluteFilepath);
|
|
}
|
|
}
|
|
|
|
module.exports = FileCache;
|