obsidian-dev-utils
Version:
This is the collection of useful functions that you can use for your Obsidian plugin development
96 lines (92 loc) • 9.56 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() {
return '/';
},
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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