printEffects

tcmts.cli.libraries.printEffects · #abzlo52e · term · runs on the server

uses tcmts.cli.style.dim, which uses node:util

A library's effects (#mplyds33), a line each; against what it reached before (was, an upgrade), only what's new or gone.

import { EFFECT_WORDS } from "#codebase/tcmts/cli/libraries";
import type { libraryEffects } from "#codebase/tcmts/cli/libraries";
import { dim, red, yellow } from "#codebase/tcmts/cli/style";
import type { Effect } from "#codebase/tcmts/core/effects";

export function printEffects(
  now: ReturnType<typeof libraryEffects>,
  was?: ReturnType<typeof libraryEffects>,
) {
  const some = (xs: string[]) =>
    `${xs.slice(0, 3).join(", ")}${xs.length > 3 ? ` (+${xs.length - 3})` : ""}`;
  const order = Object.keys(EFFECT_WORDS) as Effect[];
  if (!was) {
    if (!now.reaches.size && !now.unknown.length)
      return console.log(dim("  reaches nothing outside itself"));
    for (const e of order) {
      const at = now.reaches.get(e);
      if (at) console.log(`  ${yellow("reaches")} ${EFFECT_WORDS[e]}${dim(`: ${some(at)}`)}`);
    }
  } else {
    for (const e of order) {
      const at = now.reaches.get(e);
      if (at && !was.reaches.has(e))
        console.log(`\n  ${red("now reaches")} ${EFFECT_WORDS[e]}${dim(`: ${some(at)}`)}`);
      if (!at && was.reaches.has(e)) console.log(dim(`\n  no longer reaches ${EFFECT_WORDS[e]}`));
    }
  }
  const fresh = now.unknown.filter((p) => !was?.unknown.includes(p));
  if (fresh.length)
    console.log(
      `  ${yellow("can't tell what")} ${some(fresh)} ${yellow("reach")}${dim(": not all of their code could be followed")}`,
    );
}

uses

used by