infra: added auto theme readme generator script

scripts/generate-theme-doc.js

@@ -0,0 +1,97 @@
+const theme = require("../themes/index");
+const fs = require("fs");
+
+const TARGET_FILE = "./themes/README.md";
+const REPO_CARD_LINKS_FLAG = "<!-- REPO_CARD_LINKS -->";
+const STAT_CARD_LINKS_FLAG = "<!-- STATS_CARD_LINKS -->";
+
+const STAT_CARD_TABLE_FLAG = "<!-- STATS_CARD_TABLE -->";
+const REPO_CARD_TABLE_FLAG = "<!-- REPO_CARD_TABLE -->";
+
+const THEME_TEMPLATE = `## Available Themes
+
+<!-- DO NOT EDIT THIS FILE DIRECTLY -->
+
+With inbuilt themes you can customize the look of the card without doing any manual customization.
+
+Use \`?theme=THEME_NAME\` parameter like so :-
+
+\`\`\`md
+![Anurag's github stats](https://github-readme-stats.vercel.app/api?username=anuraghazra&theme=dark&show_icons=true)
+\`\`\`
+
+## Stats
+
+> These themes work both for the Stats Card and Repo Card.
+
+| | | |
+| :--: | :--: | :--: |
+${STAT_CARD_TABLE_FLAG}
+
+## Repo Card
+
+> These themes work both for the Stats Card and Repo Card.
+
+| | | |
+| :--: | :--: | :--: |
+${REPO_CARD_TABLE_FLAG}
+
+${REPO_CARD_LINKS_FLAG}
+
+${STAT_CARD_LINKS_FLAG}
+
+Wanted to add a new theme? Consider reading the [contribution guidelines](../CONTRIBUTING.md#themes-contribution) :D
+`;
+
+const createRepoMdLink = (theme) => {
+  return `\n[${theme}]: https://github-readme-stats.vercel.app/api/pin/?username=anuraghazra&repo=github-readme-stats&cache_seconds=86400&theme=${theme}`;
+};
+const createStatMdLink = (theme) => {
+  return `\n[${theme}]: https://github-readme-stats.vercel.app/api?username=anuraghazra&show_icons=true&hide=contribs,prs&cache_seconds=86400&theme=${theme}`;
+};
+
+const generateLinks = (fn) => {
+  return Object.keys(theme)
+    .map((name) => fn(name))
+    .join("");
+};
+
+const generateTable = ({ isRepoCard }) => {
+  const rows = [];
+  const themes = Object.keys(theme).filter(
+    (name) => name !== (!isRepoCard ? "default_repocard" : "default")
+  );
+
+  for (let i = 0; i < themes.length; i += 3) {
+    const one = themes[i];
+    const two = themes[i + 1];
+    const three = themes[i + 2];
+    rows.push(
+      `| \`${one}\` ![${one}][${one}] | \`${two}\` ![${two}][${two}] | \`${three}\` ![${three}][${three}] |`
+    );
+  }
+
+  return rows.join("\n");
+};
+
+const buildReadme = () => {
+  return THEME_TEMPLATE.split("\n")
+    .map((line) => {
+      if (line.includes(REPO_CARD_LINKS_FLAG)) {
+        return generateLinks(createRepoMdLink);
+      }
+      if (line.includes(STAT_CARD_LINKS_FLAG)) {
+        return generateLinks(createStatMdLink);
+      }
+      if (line.includes(REPO_CARD_TABLE_FLAG)) {
+        return generateTable({ isRepoCard: true });
+      }
+      if (line.includes(STAT_CARD_TABLE_FLAG)) {
+        return generateTable({ isRepoCard: false });
+      }
+      return line;
+    })
+    .join("\n");
+};
+
+fs.writeFileSync(TARGET_FILE, buildReadme());

scripts/push-theme-readme.sh

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+#!/bin/bash
+set -x
+set -e
+
+export BRANCH_NAME=updated-theme-readme
+git --version
+git config --global user.email "no-reply@githubreadmestats.com"
+git config --global user.name "Github Readme Stats Bot"
+git branch -d $BRANCH_NAME || true
+git checkout -b $BRANCH_NAME
+git add --all
+git commit --message "docs(theme): Auto update theme readme" || exit 0
+git remote add origin-$BRANCH_NAME https://${PERSONAL_TOKEN}@github.com/${GH_REPO}.git
+git push --force --quiet --set-upstream origin-$BRANCH_NAME $BRANCH_NAME