70 lines
1.9 KiB
TypeScript
70 lines
1.9 KiB
TypeScript
// SPDX-License-Identifier: AGPL-3.0-or-later
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import fs from "node:fs";
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import path from "node:path";
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import sharp from "sharp";
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import type { Config } from "svgo";
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import { optimize as svgo } from "svgo";
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// Mapping of src to dest
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export type Src2Dest = {
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// Name of the source file.
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src: string;
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// Name of the destination file.
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dest: string;
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};
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/**
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* Convert a list of SVG files to PNG.
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*
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* @param items - Array of SVG files (src: SVG, dest:PNG) to convert.
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* @param width - (optional) width of the PNG pictures
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* @param height - (optional) height of the PNG pictures.
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*/
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export const svg2png = (items: Src2Dest[], width?: number, height?: number): void => {
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for (const item of items) {
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fs.mkdirSync(path.dirname(item.dest), { recursive: true });
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sharp(item.src)
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.png({
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force: true,
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compressionLevel: 9,
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palette: true
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})
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.resize(width, height, {
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fit: "contain"
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})
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.toFile(item.dest)
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.then((info) => {
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console.log(`[svg2png] created ${item.dest} -- bytes: ${info.size}, w:${info.width}px, h:${info.height}px`);
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})
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.catch((error) => {
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console.error(`ERROR: ${item.dest} -- ${error}`);
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throw error;
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});
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}
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};
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/**
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* Optimize SVG images for WEB.
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*
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* @param items - Array of SVG files (src:SVG, dest:SVG) to optimize.
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* @param svgo_opts - Options passed to svgo.
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*/
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export const svg2svg = (items: Src2Dest[], svgo_opts: Config): void => {
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for (const item of items) {
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try {
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fs.mkdirSync(path.dirname(item.dest), { recursive: true });
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const raw = fs.readFileSync(item.src, "utf8");
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const opt = svgo(raw, svgo_opts);
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fs.writeFileSync(item.dest, opt.data);
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console.log(`[svg2svg] optimized: ${item.dest} -- src: ${item.src}`);
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} catch (error) {
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console.error(`ERROR: optimize src: ${item.src} -- ${error}`);
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throw error;
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}
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}
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};
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