95 lines
2.5 KiB
JavaScript
95 lines
2.5 KiB
JavaScript
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"use strict";
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const path = require("path");
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const fs = require("fs");
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const os = require("os");
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const findCacheDir = require("find-cache-dir");
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let FILENAME = process.env.BABEL_CACHE_PATH;
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exports.initializeCacheFilename = function () {
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FILENAME || (FILENAME = path.join(findCacheDir({
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name: "@babel/register"
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}) || os.homedir() || os.tmpdir(), `.babel.${babel.version}.${babel.getEnv()}.json`));
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};
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const babel = require("./babel-core.js");
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let data = {};
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let cacheDirty = false;
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let cacheDisabled = false;
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function isCacheDisabled() {
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var _process$env$BABEL_DI;
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return (_process$env$BABEL_DI = process.env.BABEL_DISABLE_CACHE) != null ? _process$env$BABEL_DI : cacheDisabled;
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}
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exports.save = save;
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function save() {
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if (isCacheDisabled() || !cacheDirty) return;
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cacheDirty = false;
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let serialised = "{}";
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try {
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serialised = JSON.stringify(data);
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} catch (err) {
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if (err.message === "Invalid string length") {
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err.message = "Cache too large so it's been cleared.";
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console.error(err.stack);
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} else {
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throw err;
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}
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}
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try {
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(((v, w) => (v = v.split("."), w = w.split("."), +v[0] > +w[0] || v[0] == w[0] && +v[1] >= +w[1]))(process.versions.node, "10.12") ? fs.mkdirSync : require("make-dir").sync)(path.dirname(FILENAME), {
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recursive: true
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});
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fs.writeFileSync(FILENAME, serialised);
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} catch (e) {
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switch (e.code) {
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case "ENOENT":
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case "EACCES":
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case "EPERM":
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console.warn(`Babel could not write cache to file: ${FILENAME}
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due to a permission issue. Cache is disabled.`);
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cacheDisabled = true;
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break;
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case "EROFS":
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console.warn(`Babel could not write cache to file: ${FILENAME}
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because it resides in a readonly filesystem. Cache is disabled.`);
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cacheDisabled = true;
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break;
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default:
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throw e;
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}
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}
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}
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exports.load = function load() {
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if (isCacheDisabled()) {
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data = {};
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return;
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}
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process.on("exit", save);
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process.nextTick(save);
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let cacheContent;
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try {
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cacheContent = fs.readFileSync(FILENAME);
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} catch (e) {
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switch (e.code) {
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case "EACCES":
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console.warn(`Babel could not read cache file: ${FILENAME}
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due to a permission issue. Cache is disabled.`);
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cacheDisabled = true;
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default:
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return;
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}
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}
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try {
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data = JSON.parse(cacheContent);
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} catch (_unused) {}
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};
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exports.get = function get() {
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return data;
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};
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exports.setDirty = function setDirty() {
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cacheDirty = true;
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};
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exports.clear = function clear() {
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data = {};
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};
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//# sourceMappingURL=cache.js.map
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