diff options
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')
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; +} |