parent
5b1750c182
commit
0f895bf04e
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@ -31,6 +31,7 @@
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"os-tmpdir": "^1.0.2",
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"pretty-bytes": "^3",
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"prop-types": "^15.5.8",
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"proper-lockfile": "^3.0.2",
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"react": "^15.5.4",
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"react-dom": "^15.5.4",
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"react-motion": "^0.4.7",
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@ -1,11 +1,7 @@
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require("isomorphic-fetch");
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const fs = require("fs");
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const mkdirp = require("mkdirp");
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const gunzip = require("gunzip-maybe");
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const tar = require("tar-fs");
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const createTempPath = require("./createTempPath");
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function stripNamePrefix(headers) {
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// Most packages have header names that look like "package/index.js"
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// so we shorten that to just "index.js" here. A few packages use a
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@ -35,38 +31,10 @@ function extractResponse(response, outputDir) {
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});
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}
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function fetchPackage(packageConfig) {
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return new Promise((resolve, reject) => {
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const tarballURL = packageConfig.dist.tarball;
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const outputDir = createTempPath(packageConfig.name, packageConfig.version);
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function fetchPackage(tarballURL, outputDir) {
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console.log(`info: Fetching ${tarballURL} and extracting to ${outputDir}`);
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console.log(`info: Fetching ${tarballURL} and extracting to ${outputDir}`);
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fs.access(outputDir, error => {
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if (error) {
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if (error.code === "ENOENT" || error.code === "ENOTDIR") {
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// ENOENT or ENOTDIR are to be expected when we haven't yet
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// fetched a package for the first time. Carry on!
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mkdirp(outputDir, error => {
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if (error) {
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reject(error);
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} else {
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resolve(
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fetch(tarballURL)
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.then(res => extractResponse(res, outputDir))
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.then(() => outputDir)
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);
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}
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});
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} else {
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reject(error);
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}
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} else {
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// Best case: we already have this package cached on disk!
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resolve(outputDir);
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}
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});
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});
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return fetch(tarballURL).then(res => extractResponse(res, outputDir));
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}
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module.exports = fetchPackage;
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@ -1,15 +1,66 @@
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const fs = require("fs");
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const mkdirp = require("mkdirp");
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const lockfile = require("proper-lockfile");
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const createMutex = require("./createMutex");
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const createTempPath = require("./createTempPath");
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const fetchPackage = require("./fetchPackage");
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const fetchMutex = createMutex((packageConfig, callback) => {
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fetchPackage(packageConfig).then(
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outputDir => {
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callback(null, outputDir);
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},
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error => {
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callback(error);
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const tarballURL = packageConfig.dist.tarball;
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const outputDir = createTempPath(packageConfig.name, packageConfig.version);
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fs.access(outputDir, error => {
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if (error) {
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if (error.code === "ENOENT" || error.code === "ENOTDIR") {
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// ENOENT or ENOTDIR are to be expected when we haven't yet
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// fetched a package for the first time. Carry on!
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mkdirp.sync(outputDir);
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const release = lockfile.lockSync(outputDir);
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fetchPackage(tarballURL, outputDir).then(
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() => {
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release();
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callback(null, outputDir);
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},
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error => {
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release();
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callback(error);
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}
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);
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} else {
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callback(error);
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}
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} else {
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lockfile.check(outputDir).then(isLocked => {
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if (isLocked) {
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// Another process on this same machine has locked the
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// directory. We need to wait for it to be unlocked
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// before we callback.
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const timer = setInterval(() => {
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lockfile.check(outputDir).then(
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isLocked => {
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if (!isLocked) {
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clearInterval(timer);
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callback(null, outputDir);
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}
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},
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error => {
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clearInterval(timer);
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callback(error);
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}
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);
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}, 10);
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timer.unref();
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} else {
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// Best case: we already have this package cached on disk
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// and it's not locked!
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callback(null, outputDir);
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}
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}, callback);
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}
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);
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});
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}, packageConfig => packageConfig.dist.tarball);
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function getPackage(packageConfig) {
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11
yarn.lock
11
yarn.lock
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@ -5560,6 +5560,13 @@ prop-types@^15.5.10, prop-types@^15.5.4, prop-types@^15.5.8, prop-types@^15.6.0:
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loose-envify "^1.3.1"
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object-assign "^4.1.1"
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proper-lockfile@^3.0.2:
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version "3.0.2"
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resolved "https://registry.yarnpkg.com/proper-lockfile/-/proper-lockfile-3.0.2.tgz#d30b3b83ecb157e08fe0d411f2393bc384b77ad1"
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dependencies:
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graceful-fs "^4.1.11"
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retry "^0.10.1"
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proxy-addr@~2.0.2:
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version "2.0.2"
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resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.2.tgz#6571504f47bb988ec8180253f85dd7e14952bdec"
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@ -6068,6 +6075,10 @@ ret@~0.1.10:
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version "0.1.15"
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resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
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retry@^0.10.1:
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version "0.10.1"
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resolved "https://registry.yarnpkg.com/retry/-/retry-0.10.1.tgz#e76388d217992c252750241d3d3956fed98d8ff4"
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right-align@^0.1.1:
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version "0.1.3"
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resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
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