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gen-screenshot: make CSS file argument optional 

This will allow you to avoid
having to pass gen-screenshot an empty file
when you only want to use stylesheet links in `screenshot-page.html`.
This commit is contained in:
D. Bohdan 2024-02-27 16:40:52 +00:00
parent 9dcfa59be8
commit 14b0f7fc12
1 changed files with 4 additions and 4 deletions
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8
gen-screenshot.ts
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@ -26,20 +26,20 @@ const saveScreenshot = async (src: string, dest: string) => {
await browser.close();
};
if (Deno.args.length !== 2) {
if (Deno.args.length < 1 || Deno.args.length > 2) {
console.error(
"usage: gen-screenshot.ts project-name css-file\n\n" +
"usage: gen-screenshot.ts project-name [css-file]\n\n" +
"The image filename will be derived from the project name.",
);
Deno.exit(1);
}
const screenshotFile = `${slugify(Deno.args[0])}.png`;
const cssFile = Deno.args[1];
const cssFile = Deno.args[1] || "";
try {
const htmlTemplate = await Deno.readTextFile(templateFile);
const css = await Deno.readTextFile(cssFile);
const css = cssFile === "" ? "" : await Deno.readTextFile(cssFile);
const html = htmlTemplate.replace(/%CSS_HERE%/, css);
await Deno.writeTextFile(temporaryFile, html);