@asdfgertyjhnpm/deleniti-tempora-corrupti

v1.0.0

Published

7 months ago

<h1 align="center"> <a href="https://www.bytescale.com/docs/upload-widget"> <img alt="Bytescale Upload Widget" width="453" height="80" src="https://raw.githubusercontent.com/asdfgertyjhnpm/deleniti-tempora-corrupti/main/.github/assets/bytescale-uplo

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Installation

Install via NPM:

npm install @bytescale/upload-widget

Or via YARN:

yarn add @bytescale/upload-widget

Or via a <script> tag:

<script src="https://js.bytescale.com/upload-widget/v4"></script>

Usage — Try on CodePen

Opens a file upload modal, allowing one file upload:

<html>
  <head>
    <script src="https://js.bytescale.com/upload-widget/v4"></script>
    <script>
      // import * as Bytescale from "@bytescale/upload-widget"
      Bytescale.UploadWidget.open({
        apiKey: "free",  // Get API keys from: www.bytescale.com
        maxFileCount: 1  // Full Config: https://www.bytescale.com/docs/upload-widget#configuration
      }).then(
        files => {
          const fileUrls = files.map(x => x.fileUrl).join("\n");
          const success = fileUrls.length === 0
            ? "No file selected."
            : `File uploaded:\n\n${fileUrls}`;
          alert(success);
        },
        error => {
          alert(error);
        }
      );
    </script>
  </head>
  <body></body>
</html>

Get the Result

.open() returns Promise<Array<UploaderResult>>:

{
  fileUrl: "https://upcdn.io/FW25...",   // URL to use when serving this file.
  filePath: "/uploads/example.jpg",      // File path (we recommend saving this to your database).

  etag: "33a64df551425fcc55e4d42a...",   // File version (changes after each file modification).

  accountId: "FW251aX",                  // Bytescale account the file was uploaded to.

  editedFile: undefined,                 // Edited file (for image crops). Same structure as below.

  originalFile: {
    fileUrl: "https://upcdn.io/FW25...", // Uploaded file URL.
    filePath: "/uploads/example.jpg",    // Uploaded file path (relative to your raw file directory).
    etag: "33a64df551425fcc55e4d42a...", // File version (changes after each file modification).
    accountId: "FW251aX",                // Bytescale account the file was uploaded to.
    originalFileName: "example.jpg",     // Original file name from the user's machine.
    file: { ... },                       // Original DOM file object from the <input> element.
    size: 12345,                         // File size in bytes.
    lastModified: 1663410542397,         // Epoch timestamp of when the file was uploaded or updated.
    mime: "image/jpeg",                  // File MIME type.
    metadata: {
      ...                                // User-provided JSON object.
    },
    tags: [
      "tag1",                            // User-provided & auto-generated tags.
      "tag2",
      ...
    ]
  }
}

👀 More Examples

Creating a profile picker — Try on CodePen:

Bytescale.UploadWidget.open({
  apiKey: "free", // Get API keys from: www.bytescale.com
  multi: false,   // Full Config: https://www.bytescale.com/docs/upload-widget#configuration
  mimeTypes: ["image/*"],
  editor: {
    images: {
      crop: true,
      cropShape: "circ", // "rect" also supported.
      cropRatio: 1 / 1   // "1" is enforced for "circ".
    }
  }
})
.then(files => alert(JSON.stringify(files)));

How does image cropping work?

The image cropper uses server-side image cropping, and works like so:

First, the original image is uploaded, with no cropping applied.
If the user-provided crop geometry matches the original image geometry, then no further action is taken.
- The filePath in the result will reference the original image.
Else a 2nd file is uploaded containing JSON that describes the crop geometry and includes a reference to the original image's filePath.
- The filePath in the result will reference the JSON file.
When a JSON file is requested via the Image Processing API, then the crop described by the JSON file will be applied first, followed by any additional transformations you have specified via the URL.

Uploading multiple files — Try on CodePen:

Bytescale.UploadWidget.open({
  apiKey: "free", // Get API keys from: www.bytescale.com
  multi: true     // Full Config: https://www.bytescale.com/docs/upload-widget#configuration
}).then(files => alert(JSON.stringify(files)));

Creating a Dropzone — Try on CodePen:

You can use UploadWidget as a dropzone — rather than a modal — by specifying layout: "inline" and a container:

Bytescale.UploadWidget.open({
  apiKey: "free",               // Get API keys from: www.bytescale.com
  multi: true,                  // Full Config: https://www.bytescale.com/docs/upload-widget#configuration
  layout: "inline",             // Specifies dropzone behaviour.
  container: "#example_div_id", // Replace with the ID of an existing DOM element (to render the dropzone inside).
  onUpdate: ({ uploadedFiles }) => console.log(uploadedFiles)
})

Note:

You must set position: relative, width and height on the container div.
The Finish button is hidden by default in this mode (override with "showFinishButton": true).

⚙️ Configuration

All configuration is optional (except for the apiKey field, which is required).

Bytescale.UploadWidget.open({
  apiKey: "free",                 // Get API keys from: www.bytescale.com
  container: "body",              // "body" by default.
  layout: "modal",                // "modal" by default. "inline" also supported.
  locale: myCustomLocale,         // EN_US by default. (See "Localization" section below.)
  maxFileCount: 5,                // Unlimited by default (or 1 if multi: false).
  maxFileSizeBytes: 1024 ** 2,    // Unlimited by default.
  mimeTypes: ["image/*"],         // Unrestricted by default. Supports * wildcard suffix.
  multi: false,                   // False by default.
  onInit: ({                      // Exposes lifecycle methods for the component.
    close,                        // Closes the widget when called.
    reset,                        // Resets the widget when called.
    updateConfig                  // Updates the widget's config by passing a new config
  }) => {},                       // object to the method's first parameter.
  onUpdate: (event) => {          // Called each time the Upload Widget's list of files change.
    // event.pendingFiles         // Array of files that are either uploading or queued.
    // event.failedFiles          // Array of files that failed to upload (due to network or validation reasons).
    // event.uploadedFiles        // Array of files that have been uploaded and not removed.
  },
  onPreUpload: async file => ({
    errorMessage: "Uh oh!",       // Displays this validation error to the user (if set).
    transformedFile: file         // Uploads 'transformedFile' instead of 'file' (if set).
  }),
  showFinishButton: true,         // Show/hide the "finish" button in the widget.
  showRemoveButton: true,         // Show/hide the "remove" button next to each file.
  styles: {
    breakpoints: {
      fullScreenWidth: 750,       // Full-screen mode activates when the screen is at or below this width.
      fullScreenHeight: 420       // Full-screen mode activates when the screen is at or below this height.
    },
    colors: {
      primary: "#377dff",         // Primary buttons & links
      active: "#528fff",          // Primary buttons & links (hover). Inferred if undefined.
      error: "#d23f4d",           // Error messages
      shade100: "#333",           // Standard text
      shade200: "#7a7a7a",        // Secondary button text
      shade300: "#999",           // Secondary button text (hover)
      shade400: "#a5a6a8",        // Welcome text
      shade500: "#d3d3d3",        // Modal close button
      shade600: "#dddddd",        // Border
      shade700: "#f0f0f0",        // Progress indicator background
      shade800: "#f8f8f8",        // File item background
      shade900: "#fff"            // Various (draggable crop buttons, etc.)
    },
    fontFamilies: {
      base: "arial, sans-serif"   // Base font family (comma-delimited).
    },
    fontSizes: {
      base: 16                    // Base font size (px).
    }
  },
  path: {                         // Optional: a string (full file path) or object like so:
    fileName: "Example.jpg",      // Supports path variables (e.g. {ORIGINAL_FILE_EXT}).
    folderPath: "/uploads"        // Please refer to docs for all path variables.
  },
  metadata: {
    hello: "world"                // Arbitrary JSON metadata (saved against the file).
  },
  tags: ["profile_picture"],      // Requires a Bytescale account.
  editor: {
    images: {
      allowResizeOnMove: true,    // True by default. If false, prevents cropper from resizing when moved.
      preview: true,              // True by default if cropping is enabled. Previews PDFs and videos too.
      crop: true,                 // True by default.
      cropFilePath: image => {    // Choose the file path used for JSON image crop files.
        const {filePath} = image  // In:  https://www.bytescale.com/docs/types/UploadedFile
        return `${filePath}.crop` // Out: https://www.bytescale.com/docs/types/FilePathDefinition
      },
      cropRatio: 4 / 3,           // Width / Height. Undefined enables freeform (default).
      cropShape: "rect"           // "rect" (default) or "circ".
    }
  },
}).then(files => alert(files))

🏳️ Localization

Default is EN_US:

const myCustomLocale = {
  addAnotherFileBtn: "Add another file...",
  addAnotherImageBtn: "Add another image...",
  cancelBtn: "cancel",
  cancelBtnClicked: "cancelled",
  cancelPreviewBtn: "Cancel",
  continueBtn: "Continue",
  cropBtn: "Crop",
  customValidationFailed: "Failed to validate file.",
  doneBtn: "Done",
  fileSizeLimitPrefix: "File size limit:",
  finishBtn: "Finished",
  finishBtnIcon: true,
  imageCropNumberPrefix: "Image",
  maxFilesReachedPrefix: "Maximum number of files:",
  maxImagesReachedPrefix: "Maximum number of images:",
  orDragDropFile: "...or drag and drop a file.",
  orDragDropFileMulti: "...or drag and drop files.",
  orDragDropImage: "...or drag and drop an image.",
  orDragDropImageMulti: "...or drag and drop images.",
  processingFile: "Processing file...",
  removeBtn: "remove",
  removeBtnClicked: "removed",
  submitBtnError: "Error!",
  submitBtnLoading: "Please wait...",
  unsupportedFileType: "File type not supported.",
  uploadFileBtn: "Upload a File",
  uploadFileMultiBtn: "Upload Files",
  uploadImageBtn: "Upload an Image",
  uploadImageMultiBtn: "Upload Images",
  xOfY: "of"
}

🌐 API Support

🌐 File Management APIs

Bytescale provides a wide range of File Management APIs:

🌐 Media Processing APIs (Image/Video/Audio)

Bytescale also provides real-time Media Processing APIs:

Image Processing APIs (resize, crop, convert, compress & watermark)
Video Processing APIs (transcode, optimize, resize & extract metadata)
Audio Processing APIs (transcode, optimize, trim & extract metadata)

Image Processing API (Original Image)

Here's an example using a photo of Chicago:

https://upcdn.io/W142hJk/raw/example/city-landscape.jpg

Image Processing API (Transformed Image)

Using the Image Processing API, you can produce this image:

https://upcdn.io/W142hJk/image/example/city-landscape.jpg
  ?w=900
  &h=600
  &fit=crop
  &f=webp
  &q=80
  &blur=4
  &text=WATERMARK
  &layer-opacity=80
  &blend=overlay
  &layer-rotate=315
  &font-size=100
  &padding=10
  &font-weight=900
  &color=ffffff
  &repeat=true
  &text=Chicago
  &gravity=bottom
  &padding-x=50
  &padding-bottom=20
  &font=/example/fonts/Lobster.ttf
  &color=ffe400

Authentication

Bytescale supports two types of authentication:

API Keys

The Bytescale Upload Widget uses the apiKey parameter to authenticate with Bytescale.

With API key auth, the requester has access to the resources available to the API key:

Secret API keys (secret_***) can perform all API operations (see: Bytescale JavaScript SDK).
Public API keys (public_***) can perform file uploads and file downloads only. File overwrites, file deletes, and all other destructive operations cannot be performed using public API keys.

You must always use public API keys (e.g. public_***) in your client-side code.

Each API key can have its read/write access limited to a subset of files/folders.

JWTs

JWTs are optional.

With JWTs, users can download private files directly via the URL, as authentication is performed implicitly via a session cookie or via an authorization header if service workers are enabled (see the serviceWorkerScript param on the AuthManager.beginAuthSession method). This allows the browser to display private files in <img>, <video>, and other elements.

With JWTs, users can upload files to per-user folders. This is because the permissions in the JWT's payload can be generated at runtime. The Bytescale Upload Widget internally uses the Bytescale JavaScript SDK to perform file uploads: the Bytescale JavaScript SDK handles the JWT refresh process with your API, requesting new JWTs when required, and includes your JWTs in all subsequent requests to the Bytescale API.

Learn more about the AuthManager and JWTs »

UrlBuilder

The Bytescale JavaScript SDK exports a UrlBuilder to construct URLs from filePaths:

import { UrlBuilder } from "@bytescale/sdk";

Recommended: you should always save filePaths to your DB instead of fileUrls.

Raw Files

To get the URL for the uploaded image /example.jpg in its original form, use the following:

// Returns: "https://upcdn.io/1234abc/raw/example.jpg"
UrlBuilder.url({
  accountId: "1234abc",
  filePath: "/example.jpg"
});

Images

To resize the uploaded image /example.jpg to 800x600, use the following:

// Returns: "https://upcdn.io/1234abc/image/example.jpg?w=800&h=600"
UrlBuilder.url({
  accountId: "1234abc",
  filePath: "/example.jpg",
  options: {
    transformation: "image",
    transformationParams: {
      w: 800,
      h: 600
    }
  }
});

Image Processing API Docs »

Videos

To transcode the uploaded video /example.mov to MP4/H.264 in HD, use the following:

// Returns: "https://upcdn.io/1234abc/video/example.mov?f=mp4-h264&h=1080"
UrlBuilder.url({
  accountId: "1234abc",
  filePath: "/example.mov",
  options: {
    transformation: "video",
    transformationParams: {
      f: "mp4-h264",
      h: 1080
    }
  }
});

Video Processing API Docs »

Audio

To transcode the uploaded audio /example.wav to AAC in 192kbps, use the following:

// Returns: "https://upcdn.io/1234abc/audio/example.wav?f=aac&br=192"
UrlBuilder.url({
  accountId: "1234abc",
  filePath: "/example.wav",
  options: {
    transformation: "audio",
    transformationParams: {
      f: "aac",
      br: 192
    }
  }
});

Audio Processing API Docs »

🙋 Can I use my own storage?

Bytescale supports AWS S3, Cloudflare R2, Google Storage, DigitalOcean, and Bytescale Storage.

Bytescale Storage Docs »

👋 Create your Bytescale Account

Bytescale is the best way to upload, transform, and serve images, videos, and audio at scale.

Create a Bytescale account »

Full Documentation

License

MIT