obsidian-dev-utils
Version:
This is the collection of useful functions that you can use for your Obsidian plugin development
82 lines (79 loc) • 9.48 kB
JavaScript
/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/
(function initEsm(){if(globalThis.process){return}const browserProcess={browser:true,cwd:__name(()=>"/","cwd"),env:{},platform:"android"};globalThis.process=browserProcess})();
async function blobToArrayBuffer(blob) {
return await new Promise((resolve) => {
const reader = new FileReader();
reader.addEventListener("loadend", handleLoadEnd);
reader.readAsArrayBuffer(blob);
function handleLoadEnd() {
resolve(reader.result);
}
});
}
async function blobToDataUrl(blob) {
return await new Promise((resolve) => {
const reader = new FileReader();
reader.addEventListener("loadend", handleLoadEnd);
reader.readAsDataURL(blob);
function handleLoadEnd() {
resolve(reader.result);
}
});
}
async function blobToJpegArrayBuffer(blob, jpegQuality) {
const dataUrl = await blobToDataUrl(blob);
return new Promise((resolve) => {
const image = new Image();
image.addEventListener("load", handleLoad);
image.src = dataUrl;
function handleLoad() {
const canvas = document.createElement("canvas");
const context = canvas.getContext("2d");
if (!context) {
throw new Error("Could not get 2D context.");
}
const imageWidth = image.width;
const imageHeight = image.height;
canvas.width = imageWidth;
canvas.height = imageHeight;
context.fillStyle = "#fff";
context.fillRect(0, 0, imageWidth, imageHeight);
context.save();
const HALF = 0.5;
context.translate(imageWidth * HALF, imageHeight * HALF);
context.drawImage(image, 0, 0, imageWidth, imageHeight, -imageWidth * HALF, -imageHeight * HALF, imageWidth, imageHeight);
context.restore();
const jpegDataUrl = canvas.toDataURL("image/jpeg", jpegQuality);
const arrayBuffer = dataUrlToArrayBuffer(jpegDataUrl);
resolve(arrayBuffer);
}
});
}
function dataUrlToArrayBuffer(dataUrl) {
const parts = dataUrl.split(";base64,");
const base64 = parts[1];
if (!base64) {
throw new Error("Invalid data URL");
}
const raw = window.atob(base64);
const rawLength = raw.length;
const uInt8Array = new Uint8Array(rawLength);
for (let i = 0; i < rawLength; i++) {
uInt8Array[i] = raw.charCodeAt(i);
}
return uInt8Array.buffer;
}
function isImageFile(file) {
return file.type.startsWith("image/");
}
export {
blobToArrayBuffer,
blobToDataUrl,
blobToJpegArrayBuffer,
dataUrlToArrayBuffer,
isImageFile
};
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