@typescript-eslint/typescript-estree
Version:
A parser that converts TypeScript source code into an ESTree compatible form
100 lines (99 loc) • 4.41 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.clearGlobCache = clearGlobCache;
exports.resolveProjectList = resolveProjectList;
exports.clearGlobResolutionCache = clearGlobResolutionCache;
const debug_1 = __importDefault(require("debug"));
const fast_glob_1 = require("fast-glob");
const is_glob_1 = __importDefault(require("is-glob"));
const shared_1 = require("../create-program/shared");
const ExpiringCache_1 = require("./ExpiringCache");
const log = (0, debug_1.default)('typescript-eslint:typescript-estree:parseSettings:resolveProjectList');
let RESOLUTION_CACHE = null;
function clearGlobCache() {
RESOLUTION_CACHE?.clear();
}
/**
* Normalizes, sanitizes, resolves and filters the provided project paths
*/
function resolveProjectList(options) {
const sanitizedProjects = [];
// Normalize and sanitize the project paths
if (options.project != null) {
for (const project of options.project) {
if (typeof project === 'string') {
sanitizedProjects.push(project);
}
}
}
if (sanitizedProjects.length === 0) {
return new Map();
}
const projectFolderIgnoreList = (options.projectFolderIgnoreList ?? ['**/node_modules/**'])
.filter(folder => typeof folder === 'string')
// prefix with a ! for not match glob
.map(folder => (folder.startsWith('!') ? folder : `!${folder}`));
const cacheKey = getHash({
project: sanitizedProjects,
projectFolderIgnoreList,
tsconfigRootDir: options.tsconfigRootDir,
});
if (RESOLUTION_CACHE == null) {
// note - we initialize the global cache based on the first config we encounter.
// this does mean that you can't have multiple lifetimes set per folder
// I doubt that anyone will really bother reconfiguring this, let alone
// try to do complicated setups, so we'll deal with this later if ever.
RESOLUTION_CACHE = new ExpiringCache_1.ExpiringCache(options.singleRun
? 'Infinity'
: (options.cacheLifetime?.glob ??
ExpiringCache_1.DEFAULT_TSCONFIG_CACHE_DURATION_SECONDS));
}
else {
const cached = RESOLUTION_CACHE.get(cacheKey);
if (cached) {
return cached;
}
}
// Transform glob patterns into paths
const nonGlobProjects = sanitizedProjects.filter(project => !(0, is_glob_1.default)(project));
const globProjects = sanitizedProjects.filter(project => (0, is_glob_1.default)(project));
let globProjectPaths = [];
if (globProjects.length > 0) {
// Although fast-glob supports multiple patterns, fast-glob returns arbitrary order of results
// to improve performance. To ensure the order is correct, we need to call fast-glob for each pattern
// separately and then concatenate the results in patterns' order.
globProjectPaths = globProjects.flatMap(pattern => (0, fast_glob_1.sync)(pattern, {
cwd: options.tsconfigRootDir,
ignore: projectFolderIgnoreList,
}));
}
const uniqueCanonicalProjectPaths = new Map([...nonGlobProjects, ...globProjectPaths].map(project => [
(0, shared_1.getCanonicalFileName)((0, shared_1.ensureAbsolutePath)(project, options.tsconfigRootDir)),
(0, shared_1.ensureAbsolutePath)(project, options.tsconfigRootDir),
]));
log('parserOptions.project (excluding ignored) matched projects: %s', uniqueCanonicalProjectPaths);
RESOLUTION_CACHE.set(cacheKey, uniqueCanonicalProjectPaths);
return uniqueCanonicalProjectPaths;
}
function getHash({ project, projectFolderIgnoreList, tsconfigRootDir, }) {
// create a stable representation of the config
const hashObject = {
tsconfigRootDir,
// the project order does matter and can impact the resolved globs
project,
// the ignore order won't doesn't ever matter
projectFolderIgnoreList: [...projectFolderIgnoreList].sort(),
};
return (0, shared_1.createHash)(JSON.stringify(hashObject));
}
/**
* Exported for testing purposes only
* @internal
*/
function clearGlobResolutionCache() {
RESOLUTION_CACHE?.clear();
RESOLUTION_CACHE = null;
}