Initial commit

node_modules/d3-request/build/d3-request.node.js

@@ -0,0 +1,215 @@
+'use strict';
+
+var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var d3Collection = require('d3-collection');
+var d3Dispatch = require('d3-dispatch');
+var d3Dsv = require('d3-dsv');
+
+var request = function(url, callback) {
+  var request,
+      event = d3Dispatch.dispatch("beforesend", "progress", "load", "error"),
+      mimeType,
+      headers = d3Collection.map(),
+      xhr = new XMLHttpRequest,
+      user = null,
+      password = null,
+      response,
+      responseType,
+      timeout = 0;
+
+  // If IE does not support CORS, use XDomainRequest.
+  if (typeof XDomainRequest !== "undefined"
+      && !("withCredentials" in xhr)
+      && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest;
+
+  "onload" in xhr
+      ? xhr.onload = xhr.onerror = xhr.ontimeout = respond
+      : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); };
+
+  function respond(o) {
+    var status = xhr.status, result;
+    if (!status && hasResponse(xhr)
+        || status >= 200 && status < 300
+        || status === 304) {
+      if (response) {
+        try {
+          result = response.call(request, xhr);
+        } catch (e) {
+          event.call("error", request, e);
+          return;
+        }
+      } else {
+        result = xhr;
+      }
+      event.call("load", request, result);
+    } else {
+      event.call("error", request, o);
+    }
+  }
+
+  xhr.onprogress = function(e) {
+    event.call("progress", request, e);
+  };
+
+  request = {
+    header: function(name, value) {
+      name = (name + "").toLowerCase();
+      if (arguments.length < 2) return headers.get(name);
+      if (value == null) headers.remove(name);
+      else headers.set(name, value + "");
+      return request;
+    },
+
+    // If mimeType is non-null and no Accept header is set, a default is used.
+    mimeType: function(value) {
+      if (!arguments.length) return mimeType;
+      mimeType = value == null ? null : value + "";
+      return request;
+    },
+
+    // Specifies what type the response value should take;
+    // for instance, arraybuffer, blob, document, or text.
+    responseType: function(value) {
+      if (!arguments.length) return responseType;
+      responseType = value;
+      return request;
+    },
+
+    timeout: function(value) {
+      if (!arguments.length) return timeout;
+      timeout = +value;
+      return request;
+    },
+
+    user: function(value) {
+      return arguments.length < 1 ? user : (user = value == null ? null : value + "", request);
+    },
+
+    password: function(value) {
+      return arguments.length < 1 ? password : (password = value == null ? null : value + "", request);
+    },
+
+    // Specify how to convert the response content to a specific type;
+    // changes the callback value on "load" events.
+    response: function(value) {
+      response = value;
+      return request;
+    },
+
+    // Alias for send("GET", …).
+    get: function(data, callback) {
+      return request.send("GET", data, callback);
+    },
+
+    // Alias for send("POST", …).
+    post: function(data, callback) {
+      return request.send("POST", data, callback);
+    },
+
+    // If callback is non-null, it will be used for error and load events.
+    send: function(method, data, callback) {
+      xhr.open(method, url, true, user, password);
+      if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*");
+      if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); });
+      if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType);
+      if (responseType != null) xhr.responseType = responseType;
+      if (timeout > 0) xhr.timeout = timeout;
+      if (callback == null && typeof data === "function") callback = data, data = null;
+      if (callback != null && callback.length === 1) callback = fixCallback(callback);
+      if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); });
+      event.call("beforesend", request, xhr);
+      xhr.send(data == null ? null : data);
+      return request;
+    },
+
+    abort: function() {
+      xhr.abort();
+      return request;
+    },
+
+    on: function() {
+      var value = event.on.apply(event, arguments);
+      return value === event ? request : value;
+    }
+  };
+
+  if (callback != null) {
+    if (typeof callback !== "function") throw new Error("invalid callback: " + callback);
+    return request.get(callback);
+  }
+
+  return request;
+};
+
+function fixCallback(callback) {
+  return function(error, xhr) {
+    callback(error == null ? xhr : null);
+  };
+}
+
+function hasResponse(xhr) {
+  var type = xhr.responseType;
+  return type && type !== "text"
+      ? xhr.response // null on error
+      : xhr.responseText; // "" on error
+}
+
+var type = function(defaultMimeType, response) {
+  return function(url, callback) {
+    var r = request(url).mimeType(defaultMimeType).response(response);
+    if (callback != null) {
+      if (typeof callback !== "function") throw new Error("invalid callback: " + callback);
+      return r.get(callback);
+    }
+    return r;
+  };
+};
+
+var html = type("text/html", function(xhr) {
+  return document.createRange().createContextualFragment(xhr.responseText);
+});
+
+var json = type("application/json", function(xhr) {
+  return JSON.parse(xhr.responseText);
+});
+
+var text = type("text/plain", function(xhr) {
+  return xhr.responseText;
+});
+
+var xml = type("application/xml", function(xhr) {
+  var xml = xhr.responseXML;
+  if (!xml) throw new Error("parse error");
+  return xml;
+});
+
+var dsv = function(defaultMimeType, parse) {
+  return function(url, row, callback) {
+    if (arguments.length < 3) callback = row, row = null;
+    var r = request(url).mimeType(defaultMimeType);
+    r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; };
+    r.row(row);
+    return callback ? r.get(callback) : r;
+  };
+};
+
+function responseOf(parse, row) {
+  return function(request$$1) {
+    return parse(request$$1.responseText, row);
+  };
+}
+
+var csv = dsv("text/csv", d3Dsv.csvParse);
+
+var tsv = dsv("text/tab-separated-values", d3Dsv.tsvParse);
+
+exports.request = request;
+exports.html = html;
+exports.json = json;
+exports.text = text;
+exports.xml = xml;
+exports.csv = csv;
+exports.tsv = tsv;