@thi.ng/tangle/api.js

Literate programming code block tangling / codegen utility, inspired by org-mode & noweb

import { ConsoleLogger, LogLevel, ROOT } from "@thi.ng/logger";
import { split } from "@thi.ng/strings";
import { map, str, transduce } from "@thi.ng/transducers";
const JS_DOC = {
  prefix: /^\s*\*\s+```/,
  suffix: /^\s*\*\s+```/m,
  xform: (body) => transduce(
    map((x) => x.replace(/^\s*\*\s?/, "")),
    str("\n"),
    split(body)
  )
};
const BLOCK_FORMATS = {
  ".md": {
    prefix: "```",
    suffix: "```"
  },
  ".org": {
    prefix: "#+BEGIN_SRC ",
    suffix: "#+END_SRC"
  },
  ".js": JS_DOC,
  ".ts": JS_DOC
};
const C = "//";
const P = "#";
const L = "--";
const S = ";;";
const C89 = ["/*", "*/"];
const HTML = ["<!--", "-->"];
const COMMENT_FORMATS = {
  c: C89,
  clj: S,
  cljs: S,
  cpp: C,
  cs: C,
  css: C89,
  docker: "::",
  elm: L,
  erl: "%",
  fs: "\\",
  go: C,
  h: C,
  html: HTML,
  java: C,
  js: C,
  jsonc: C,
  lua: L,
  md: HTML,
  ml: ["(*", "*)"],
  pde: C,
  py: P,
  rs: C,
  scala: C,
  scm: S,
  sh: P,
  sql: L,
  swift: C,
  tex: "%",
  toml: P,
  ts: C,
  ttl: P,
  wast: S,
  xml: HTML,
  yaml: P,
  zig: C
};
const LOGGER = ROOT.addChild(new ConsoleLogger("tangle", LogLevel.INFO));
export {
  BLOCK_FORMATS,
  COMMENT_FORMATS,
  LOGGER
};