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1 files changed, 126 insertions, 0 deletions

diff --git a/node_modules/algoliasearch/src/browser/jsonp-request.js b/node_modules/algoliasearch/src/browser/jsonp-request.js
new file mode 100644
index 00000000..1aed7631
--- /dev/null
+++ b/node_modules/algoliasearch/src/browser/jsonp-request.js
@@ -0,0 +1,126 @@
+'use strict';
+
+module.exports = jsonpRequest;
+
+var errors = require('../errors');
+
+var JSONPCounter = 0;
+
+function jsonpRequest(url, opts, cb) {
+  if (opts.method !== 'GET') {
+    cb(new Error('Method ' + opts.method + ' ' + url + ' is not supported by JSONP.'));
+    return;
+  }
+
+  opts.debug('JSONP: start');
+
+  var cbCalled = false;
+  var timedOut = false;
+
+  JSONPCounter += 1;
+  var head = document.getElementsByTagName('head')[0];
+  var script = document.createElement('script');
+  var cbName = 'algoliaJSONP_' + JSONPCounter;
+  var done = false;
+
+  window[cbName] = function(data) {
+    removeGlobals();
+
+    if (timedOut) {
+      opts.debug('JSONP: Late answer, ignoring');
+      return;
+    }
+
+    cbCalled = true;
+
+    clean();
+
+    cb(null, {
+      body: data,
+      responseText: JSON.stringify(data)/* ,
+      // We do not send the statusCode, there's no statusCode in JSONP, it will be
+      // computed using data.status && data.message like with XDR
+      statusCode*/
+    });
+  };
+
+  // add callback by hand
+  url += '&callback=' + cbName;
+
+  // add body params manually
+  if (opts.jsonBody && opts.jsonBody.params) {
+    url += '&' + opts.jsonBody.params;
+  }
+
+  var ontimeout = setTimeout(timeout, opts.timeouts.complete);
+
+  // script onreadystatechange needed only for
+  // <= IE8
+  // https://github.com/angular/angular.js/issues/4523
+  script.onreadystatechange = readystatechange;
+  script.onload = success;
+  script.onerror = error;
+
+  script.async = true;
+  script.defer = true;
+  script.src = url;
+  head.appendChild(script);
+
+  function success() {
+    opts.debug('JSONP: success');
+
+    if (done || timedOut) {
+      return;
+    }
+
+    done = true;
+
+    // script loaded but did not call the fn => script loading error
+    if (!cbCalled) {
+      opts.debug('JSONP: Fail. Script loaded but did not call the callback');
+      clean();
+      cb(new errors.JSONPScriptFail());
+    }
+  }
+
+  function readystatechange() {
+    if (this.readyState === 'loaded' || this.readyState === 'complete') {
+      success();
+    }
+  }
+
+  function clean() {
+    clearTimeout(ontimeout);
+    script.onload = null;
+    script.onreadystatechange = null;
+    script.onerror = null;
+    head.removeChild(script);
+  }
+
+  function removeGlobals() {
+    try {
+      delete window[cbName];
+      delete window[cbName + '_loaded'];
+    } catch (e) {
+      window[cbName] = window[cbName + '_loaded'] = undefined;
+    }
+  }
+
+  function timeout() {
+    opts.debug('JSONP: Script timeout');
+    timedOut = true;
+    clean();
+    cb(new errors.RequestTimeout());
+  }
+
+  function error() {
+    opts.debug('JSONP: Script error');
+
+    if (done || timedOut) {
+      return;
+    }
+
+    clean();
+    cb(new errors.JSONPScriptError());
+  }
+}