80 lines
2 KiB
TypeScript
80 lines
2 KiB
TypeScript
import { execFile as execFileOriginal } from "node:child_process";
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import { ExecFileFn } from "./types";
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export const properties = {
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from: {
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images: ["jpg", "jpeg", "png", "bmp", "gif", "tiff", "tif", "webp"],
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},
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to: {
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images: ["svg"],
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},
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};
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interface VTracerOptions {
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colormode?: string;
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hierarchical?: string;
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mode?: string;
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filter_speckle?: string | number;
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color_precision?: string | number;
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layer_difference?: string | number;
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corner_threshold?: string | number;
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length_threshold?: string | number;
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max_iterations?: string | number;
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splice_threshold?: string | number;
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path_precision?: string | number;
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}
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export function convert(
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filePath: string,
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fileType: string,
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convertTo: string,
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targetPath: string,
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options?: unknown,
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execFile: ExecFileFn = execFileOriginal, // to make it mockable
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): Promise<string> {
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return new Promise((resolve, reject) => {
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// Build vtracer arguments
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const args = ["--input", filePath, "--output", targetPath];
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// Add optional parameter if provided
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if (options && typeof options === "object") {
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const opts = options as VTracerOptions;
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const validOptions: Array<keyof VTracerOptions> = [
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"colormode",
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"hierarchical",
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"mode",
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"filter_speckle",
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"color_precision",
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"layer_difference",
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"corner_threshold",
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"length_threshold",
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"max_iterations",
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"splice_threshold",
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"path_precision",
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];
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for (const option of validOptions) {
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if (opts[option] !== undefined) {
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args.push(`--${option}`, String(opts[option]));
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}
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}
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}
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execFile("vtracer", args, (error, stdout, stderr) => {
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if (error) {
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reject(`error: ${error}${stderr ? `\nstderr: ${stderr}` : ""}`);
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return;
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}
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if (stdout) {
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console.log(`stdout: ${stdout}`);
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}
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if (stderr) {
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console.log(`stderr: ${stderr}`);
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}
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resolve("Done");
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});
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});
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}
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