draft

node_modules/jsdom/lib/jsdom/living/file-api/Blob-impl.js

@@ -0,0 +1,92 @@
+"use strict";
+const { EOL } = require("os");
+const Blob = require("../generated/Blob");
+
+function convertLineEndingsToNative(s) {
+  return s.replace(/\r\n|\r|\n/g, EOL);
+}
+
+exports.implementation = class BlobImpl {
+  constructor(args) {
+    const parts = args[0];
+    const properties = args[1];
+
+    const buffers = [];
+
+    if (parts !== undefined) {
+      for (const part of parts) {
+        let buffer;
+        if (part instanceof ArrayBuffer) {
+          buffer = Buffer.from(part);
+        } else if (ArrayBuffer.isView(part)) {
+          buffer = Buffer.from(part.buffer, part.byteOffset, part.byteLength);
+        } else if (Blob.isImpl(part)) {
+          buffer = part._buffer;
+        } else {
+          let s = part;
+          if (properties.endings === "native") {
+            s = convertLineEndingsToNative(part);
+          }
+          buffer = Buffer.from(s);
+        }
+        buffers.push(buffer);
+      }
+    }
+
+    this._buffer = Buffer.concat(buffers);
+
+    this.type = properties.type;
+    if (/[^\u0020-\u007E]/.test(this.type)) {
+      this.type = "";
+    } else {
+      this.type = this.type.toLowerCase();
+    }
+  }
+
+  get size() {
+    return this._buffer.length;
+  }
+
+  slice(start, end, contentType) {
+    const { size } = this;
+
+    let relativeStart;
+    let relativeEnd;
+    let relativeContentType;
+
+    if (start === undefined) {
+      relativeStart = 0;
+    } else if (start < 0) {
+      relativeStart = Math.max(size + start, 0);
+    } else {
+      relativeStart = Math.min(start, size);
+    }
+    if (end === undefined) {
+      relativeEnd = size;
+    } else if (end < 0) {
+      relativeEnd = Math.max(size + end, 0);
+    } else {
+      relativeEnd = Math.min(end, size);
+    }
+
+    if (contentType === undefined) {
+      relativeContentType = "";
+    } else {
+      // sanitization (lower case and invalid char check) is done in the
+      // constructor
+      relativeContentType = contentType;
+    }
+
+    const span = Math.max(relativeEnd - relativeStart, 0);
+
+    const buffer = this._buffer;
+    const slicedBuffer = buffer.slice(
+      relativeStart,
+      relativeStart + span
+    );
+
+    const blob = Blob.createImpl([[], { type: relativeContentType }], {});
+    blob._buffer = slicedBuffer;
+    return blob;
+  }
+};

node_modules/jsdom/lib/jsdom/living/file-api/File-impl.js

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+"use strict";
+
+const BlobImpl = require("./Blob-impl").implementation;
+
+exports.implementation = class FileImpl extends BlobImpl {
+  constructor(args, privateData) {
+    const fileBits = args[0];
+    const fileName = args[1];
+    const options = args[2];
+    super([fileBits, options], privateData);
+
+    this.name = fileName.replace(/\//g, ":");
+    this.lastModified = "lastModified" in options ? options.lastModified : Date.now();
+  }
+};

node_modules/jsdom/lib/jsdom/living/file-api/FileList-impl.js

@@ -0,0 +1,15 @@
+"use strict";
+
+const idlUtils = require("../generated/utils.js");
+
+exports.implementation = class FileListImpl extends Array {
+  constructor() {
+    super(0);
+  }
+  item(index) {
+    return this[index] || null;
+  }
+  get [idlUtils.supportedPropertyIndices]() {
+    return this.keys();
+  }
+};

node_modules/jsdom/lib/jsdom/living/file-api/FileReader-impl.js

@@ -0,0 +1,143 @@
+"use strict";
+
+const whatwgEncoding = require("whatwg-encoding");
+const MIMEType = require("whatwg-mimetype");
+const querystring = require("querystring");
+const DOMException = require("domexception");
+const EventTargetImpl = require("../events/EventTarget-impl").implementation;
+const ProgressEvent = require("../generated/ProgressEvent");
+const { setupForSimpleEventAccessors } = require("../helpers/create-event-accessor");
+
+const READY_STATES = Object.freeze({
+  EMPTY: 0,
+  LOADING: 1,
+  DONE: 2
+});
+
+const events = ["loadstart", "progress", "load", "abort", "error", "loadend"];
+
+class FileReaderImpl extends EventTargetImpl {
+  constructor(args, privateData) {
+    super([], privateData);
+
+    this.error = null;
+    this.readyState = READY_STATES.EMPTY;
+    this.result = null;
+
+    this._ownerDocument = privateData.window.document;
+    this._terminated = false;
+  }
+
+  readAsArrayBuffer(file) {
+    this._readFile(file, "buffer");
+  }
+  readAsBinaryString(file) {
+    this._readFile(file, "binaryString");
+  }
+  readAsDataURL(file) {
+    this._readFile(file, "dataURL");
+  }
+  readAsText(file, encoding) {
+    this._readFile(file, "text", whatwgEncoding.labelToName(encoding) || "UTF-8");
+  }
+
+  abort() {
+    if (this.readyState === READY_STATES.EMPTY || this.readyState === READY_STATES.DONE) {
+      this.result = null;
+      return;
+    }
+
+    if (this.readyState === READY_STATES.LOADING) {
+      this.readyState = READY_STATES.DONE;
+      this.result = null;
+    }
+
+    this._terminated = true;
+    this._fireProgressEvent("abort");
+    this._fireProgressEvent("loadend");
+  }
+
+  _fireProgressEvent(name, props) {
+    const event = ProgressEvent.createImpl([name, Object.assign({ bubbles: false, cancelable: false }, props)], {});
+    this.dispatchEvent(event);
+  }
+
+  _readFile(file, format, encoding) {
+    if (this.readyState === READY_STATES.LOADING) {
+      throw new DOMException("The object is in an invalid state.", "InvalidStateError");
+    }
+
+    this.readyState = READY_STATES.LOADING;
+
+    setImmediate(() => {
+      if (this._terminated) {
+        this._terminated = false;
+        return;
+      }
+
+      this._fireProgressEvent("loadstart");
+
+      let data = file._buffer;
+      if (!data) {
+        data = Buffer.alloc(0);
+      }
+      this._fireProgressEvent("progress", {
+        lengthComputable: !isNaN(file.size),
+        total: file.size,
+        loaded: data.length
+      });
+
+      setImmediate(() => {
+        if (this._terminated) {
+          this._terminated = false;
+          return;
+        }
+
+        switch (format) {
+          default:
+          case "buffer": {
+            this.result = (new Uint8Array(data)).buffer;
+            break;
+          }
+          case "binaryString": {
+            this.result = data.toString("binary");
+            break;
+          }
+          case "dataURL": {
+            // Spec seems very unclear here; see https://github.com/whatwg/fetch/issues/665#issuecomment-362930079.
+            let dataUrl = "data:";
+            const contentType = MIMEType.parse(file.type);
+            if (contentType && contentType.type === "text") {
+              const fallbackEncoding = whatwgEncoding.getBOMEncoding(data) ||
+                whatwgEncoding.labelToName(contentType.parameters.get("charset")) || "UTF-8";
+              const decoded = whatwgEncoding.decode(data, fallbackEncoding);
+
+              contentType.parameters.set("charset", encoding);
+              dataUrl += contentType.toString();
+              dataUrl += ",";
+              dataUrl += querystring.escape(decoded);
+            } else {
+              if (contentType) {
+                dataUrl += contentType.toString();
+              }
+              dataUrl += ";base64,";
+              dataUrl += data.toString("base64");
+            }
+            this.result = dataUrl;
+            break;
+          }
+          case "text": {
+            this.result = whatwgEncoding.decode(data, encoding);
+            break;
+          }
+        }
+        this.readyState = READY_STATES.DONE;
+        this._fireProgressEvent("load");
+        this._fireProgressEvent("loadend");
+      });
+    });
+  }
+}
+setupForSimpleEventAccessors(FileReaderImpl.prototype, events);
+
+exports.implementation = FileReaderImpl;