cache.js
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.save = save;
exports.load = load;
exports.get = get;
exports.clear = clear;
var _path = _interopRequireDefault(require("path"));
var _fs = _interopRequireDefault(require("fs"));
var _os = _interopRequireDefault(require("os"));
var _makeDir = require("make-dir");
var babel = _interopRequireWildcard(require("@babel/core"));
var _findCacheDir = _interopRequireDefault(require("find-cache-dir"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const DEFAULT_CACHE_DIR = (0, _findCacheDir.default)({
name: "@babel/register"
}) || _os.default.homedir() || _os.default.tmpdir();
const DEFAULT_FILENAME = _path.default.join(DEFAULT_CACHE_DIR, `.babel.${babel.version}.${babel.getEnv()}.json`);
const FILENAME = process.env.BABEL_CACHE_PATH || DEFAULT_FILENAME;
let data = {};
let cacheDisabled = false;
function isCacheDisabled() {
var _process$env$BABEL_DI;
return (_process$env$BABEL_DI = process.env.BABEL_DISABLE_CACHE) != null ? _process$env$BABEL_DI : cacheDisabled;
}
function save() {
if (isCacheDisabled()) return;
let serialised = "{}";
try {
serialised = JSON.stringify(data, null, " ");
} catch (err) {
if (err.message === "Invalid string length") {
err.message = "Cache too large so it's been cleared.";
console.error(err.stack);
} else {
throw err;
}
}
try {
(0, _makeDir.sync)(_path.default.dirname(FILENAME));
_fs.default.writeFileSync(FILENAME, serialised);
} catch (e) {
switch (e.code) {
case "EACCES":
case "EPERM":
console.warn(`Babel could not write cache to file: ${FILENAME}
due to a permission issue. Cache is disabled.`);
cacheDisabled = true;
break;
case "EROFS":
console.warn(`Babel could not write cache to file: ${FILENAME}
because it resides in a readonly filesystem. Cache is disabled.`);
cacheDisabled = true;
break;
default:
throw e;
}
}
}
function load() {
if (isCacheDisabled()) {
data = {};
return;
}
process.on("exit", save);
process.nextTick(save);
let cacheContent;
try {
cacheContent = _fs.default.readFileSync(FILENAME);
} catch (e) {
switch (e.code) {
case "EACCES":
console.warn(`Babel could not read cache file: ${FILENAME}
due to a permission issue. Cache is disabled.`);
cacheDisabled = true;
default:
return;
}
}
try {
data = JSON.parse(cacheContent);
} catch (_unused) {}
}
function get() {
return data;
}
function clear() {
data = {};
}