src/lib/syntax.ts — radicle-desktop

rad:z4D5UCArafTzTQpDZNQRuqswh3ury

Radicle desktop app

.. router appearance.svelte.ts auth.svelte.ts avatar.ts cached.ts checkRadicleCLI.svelte.ts draftReviewStorage.ts emojis.ts events.ts interval.ts invoke.ts issueCounts.svelte.ts markdown.ts modal.ts mutexExecutor.ts notification.ts notificationCount.svelte.ts patchCounts.svelte.ts portal.ts roles.ts router.ts sleep.ts startup.svelte.ts syntax.ts updateChecker.svelte.ts useLocalStorage.svelte.ts utils.ts

import type { Root } from "hast";

import { common, createStarryNight, type Grammar } from "@wooorm/starry-night";
import etc from "@wooorm/starry-night/etc";
import goMod from "@wooorm/starry-night/go.mod";
import goSum from "@wooorm/starry-night/go.sum";
import sourceBatchfile from "@wooorm/starry-night/source.batchfile";
import sourceDockerfile from "@wooorm/starry-night/source.dockerfile";
import sourceDotenv from "@wooorm/starry-night/source.dotenv";
import sourceEditorconfig from "@wooorm/starry-night/source.editorconfig";
import sourceErlang from "@wooorm/starry-night/source.erlang";
import sourceGitrevlist from "@wooorm/starry-night/source.git-revlist";
import sourceGitattributes from "@wooorm/starry-night/source.gitattributes";
import sourceGitconfig from "@wooorm/starry-night/source.gitconfig";
import sourceGitignore from "@wooorm/starry-night/source.gitignore";
import sourceGradle from "@wooorm/starry-night/source.groovy.gradle";
import sourceHaproxyConfig from "@wooorm/starry-night/source.haproxy-config";
import sourceNpmrc from "@wooorm/starry-night/source.ini.npmrc";
import sourceJson from "@wooorm/starry-night/source.json";
import sourceNix from "@wooorm/starry-night/source.nix";
import sourceSass from "@wooorm/starry-night/source.sass";
import sourceSolidity from "@wooorm/starry-night/source.solidity";
import sourceSvelte from "@wooorm/starry-night/source.svelte";
import sourceToml from "@wooorm/starry-night/source.toml";
import sourceTsx from "@wooorm/starry-night/source.tsx";
import sourceZig from "@wooorm/starry-night/source.zig";
import sourceAsciiDoc from "@wooorm/starry-night/text.html.asciidoc";
import textHtmlDjango from "@wooorm/starry-night/text.html.django";
import textHtmlVue from "@wooorm/starry-night/text.html.vue";
import textRobotsTxt from "@wooorm/starry-night/text.robots-txt";
import textZoneFile from "@wooorm/starry-night/text.zone_file";
import onigurumaWASMUrl from "vscode-oniguruma/release/onig.wasm?url";

export { type Root };

export const grammars = [
  ...common,
  sourceAsciiDoc,
  sourceToml,
  sourceErlang,
  sourceSolidity,
  sourceSvelte,
  sourceSass,
  sourceTsx,
  sourceDockerfile,
  sourceNix,
  sourceGitconfig,
  sourceGitignore,
  sourceGitrevlist,
  sourceGitattributes,
  sourceNpmrc,
  sourceGradle,
  sourceBatchfile,
  sourceEditorconfig,
  sourceHaproxyConfig,
  sourceDotenv,
  sourceZig,
  textHtmlVue,
  textHtmlDjango,
  textRobotsTxt,
  textZoneFile,
  etc,
  goMod,
  goSum,
  {
    extensions: [".hintrc"],
    names: ["json"],
    patterns: [sourceJson],
    scopeName: "source.json",
  },
  {
    extensions: [
      ".npmignore",
      ".eslintignore",
      ".dockerignore",
      ".nuxtignore",
      ".vscodeignore",
    ],
    names: ["ignore"],
    patterns: [sourceGitignore],
    scopeName: "source.gitignore",
  },
  {
    extensions: [".sample", ".example", ".template"],
    names: [".env.sample", ".env.example", ".env.template"],
    patterns: [sourceDotenv],
    scopeName: "source.dotenv",
  },
  {
    extensions: [".mod"],
    names: ["go.mod"],
    patterns: [goMod],
    scopeName: "go.mode",
  },
  {
    extensions: [".sum"],
    names: ["go.sum"],
    patterns: [goSum],
    scopeName: "go.sum",
  },
  // A grammar that doesn't do any parsing, but needed for files without a known filetype.
  {
    extensions: [""],
    names: ["raw-format"],
    patterns: [],
    scopeName: "text.raw",
  },
] satisfies Grammar[];

let starryNight: Awaited<ReturnType<typeof createStarryNight>>;

export async function highlight(
  content: string,
  grammar: string,
): Promise<Root> {
  if (starryNight === undefined) {
    starryNight = await createStarryNight(grammars, {
      getOnigurumaUrlFetch: () => new URL(onigurumaWASMUrl, import.meta.url),
    });
  }
  const scope = starryNight.flagToScope(grammar);
  return starryNight.highlight(content, scope ?? "text.raw");
}