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Diffstat (limited to 'deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/http-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/polyfill.js')
-rw-r--r--deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/http-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/polyfill.js35
1 files changed, 35 insertions, 0 deletions
diff --git a/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/http-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/polyfill.js b/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/http-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/polyfill.js
new file mode 100644
index 0000000000..83ddf0662b
--- /dev/null
+++ b/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/http-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/polyfill.js
@@ -0,0 +1,35 @@
+/*global self*/
+import Promise from './promise';
+
+export default function polyfill() {
+ let local;
+
+ if (typeof global !== 'undefined') {
+ local = global;
+ } else if (typeof self !== 'undefined') {
+ local = self;
+ } else {
+ try {
+ local = Function('return this')();
+ } catch (e) {
+ throw new Error('polyfill failed because global object is unavailable in this environment');
+ }
+ }
+
+ let P = local.Promise;
+
+ if (P) {
+ var promiseToString = null;
+ try {
+ promiseToString = Object.prototype.toString.call(P.resolve());
+ } catch(e) {
+ // silently ignored
+ }
+
+ if (promiseToString === '[object Promise]' && !P.cast){
+ return;
+ }
+ }
+
+ local.Promise = Promise;
+}