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59 lines
1.4 KiB
59 lines
1.4 KiB
1 year ago
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#! /usr/bin/env -S deno run --allow-run --allow-read --allow-write
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// Generate the screenshot and its thumbnail for a project.
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// To install the dependencies on Debian/Ubuntu:
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// $ sudo apt install imagemagick optipng wkhtmltopdf
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const templateFile = "screenshot-page.html";
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const temporaryFile = "temp.html";
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const slugify = (str: string) =>
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str
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.toLowerCase()
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.replace(/[^a-z0-9]+/g, "-")
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.replace(/(^-|-$)/g, "");
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if (Deno.args.length !== 2) {
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console.error("usage: generate-screenshot.ts name css-file");
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Deno.exit(1);
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}
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const screenshotFile = `${slugify(Deno.args[0])}.png`;
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const cssFile = Deno.args[1];
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try {
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const htmlTemplate = await Deno.readTextFile(templateFile);
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const css = await Deno.readTextFile(cssFile);
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const html = htmlTemplate.replace(/%CSS_HERE%/, css);
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await Deno.writeTextFile(temporaryFile, html);
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await Deno.run({
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cmd: ["wkhtmltoimage", temporaryFile, `screenshot/${screenshotFile}`],
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}).status();
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await Deno.run({
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cmd: [
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"convert",
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"-resize",
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"25%",
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"-adaptive-sharpen",
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"10",
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`screenshot/${screenshotFile}`,
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`thumbnail/${screenshotFile}`,
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],
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}).status();
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await Deno.run({
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cmd: [
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"optipng",
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"-o",
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"5",
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"-strip",
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"all",
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`screenshot/${screenshotFile}`,
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`thumbnail/${screenshotFile}`,
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],
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}).status();
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} catch (err) {
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console.error(err);
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} finally {
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Deno.remove(temporaryFile);
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}
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