@visulima/is-ansi-color-supported/dist/is-color-supported.server.mjs

Detect whether a terminal or browser supports ansi colors.

import { SPACE_MONO, SPACE_256_COLORS, SPACE_TRUE_COLORS, SPACE_16_COLORS } from './packem_shared/SPACE_MONO-VdlYcTli.mjs';

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
const isColorSupportedFactory = /* @__PURE__ */ __name((stdName) => {
  const _this = globalThis;
  const isDeno = _this.Deno != null;
  const proc = _this.process ?? _this.Deno ?? {};
  const argv = proc.argv ?? proc.args ?? [];
  const oneOfFlags = /* @__PURE__ */ __name((regex) => {
    const terminatorPosition = argv.indexOf("--");
    const position = argv.findIndex((flag) => regex.test(flag));
    return position !== -1 && (terminatorPosition === -1 || position < terminatorPosition);
  }, "oneOfFlags");
  let environment = {};
  try {
    environment = isDeno ? proc.env.toObject() : proc.env ?? {};
  } catch {
  }
  const FORCE_COLOR = "FORCE_COLOR";
  const hasForceColor = FORCE_COLOR in environment;
  const forceColorValue = environment[FORCE_COLOR] ? String(environment[FORCE_COLOR]) : void 0;
  const forceColorValueIsString = Object.prototype.toString.call(forceColorValue).slice(8, -1) === "String";
  let forceColor;
  if (forceColorValue === "true") {
    forceColor = SPACE_16_COLORS;
  } else if (forceColorValue === "false") {
    forceColor = SPACE_MONO;
  } else if (forceColorValueIsString && forceColorValue.length === 0) {
    forceColor = SPACE_16_COLORS;
  } else if (forceColorValueIsString && forceColorValue.length > 0) {
    forceColor = Math.min(Number.parseInt(forceColorValue, 10), 3);
  }
  if (forceColorValue !== "true" && forceColorValue !== "false" && forceColor !== void 0 && forceColor < 4) {
    return forceColor;
  }
  const isForceDisabled = (
    // eslint-disable-next-line regexp/no-unused-capturing-group
    "NO_COLOR" in environment || hasForceColor && forceColor === 0 || oneOfFlags(/^-{1,2}(no-color|no-colors|color=false|color=never)$/)
  );
  if (isForceDisabled) {
    return SPACE_MONO;
  }
  if (oneOfFlags(/^-{1,2}(color=256)$/)) {
    return SPACE_256_COLORS;
  }
  if (oneOfFlags(/^-{1,2}(color=16m|color=full|color=truecolor)$/)) {
    return SPACE_TRUE_COLORS;
  }
  const isForceEnabled = oneOfFlags(/^-{1,2}(color|colors|color=true|color=always)$/);
  if (isForceEnabled) {
    return SPACE_16_COLORS;
  }
  const minColorLevel = forceColor || SPACE_MONO;
  if ("TF_BUILD" in environment && "AGENT_NAME" in environment) {
    return SPACE_16_COLORS;
  }
  const isDumbTerminal = environment.TERM && /-mono|dumb/i.test(environment.TERM);
  if (isDumbTerminal) {
    return minColorLevel;
  }
  if ((isDeno ? _this.Deno.build.os : proc.platform) === "win32") {
    try {
      const osRelease = (isDeno ? _this.Deno.osRelease() : proc.os.release()).split(".");
      if (Number(osRelease[0]) >= 10 && Number(osRelease[2]) >= 10586) {
        return Number(osRelease[2]) >= 14931 ? SPACE_TRUE_COLORS : SPACE_256_COLORS;
      }
      return SPACE_16_COLORS;
    } catch {
    }
  }
  if ("CI" in environment) {
    if ("GITHUB_ACTIONS" in environment || "GITHUB_WORKFLOW" in environment || "GITEA_ACTIONS" in environment) {
      return SPACE_TRUE_COLORS;
    }
    if (["TRAVIS", "CIRCLECI", "APPVEYOR", "GITLAB_CI", "BUILDKITE", "DRONE", "GITLAB_CI"].some((sign) => sign in environment) || environment.CI_NAME === "codeship") {
      return SPACE_16_COLORS;
    }
    return minColorLevel;
  }
  if (environment.TERMINAL_EMULATOR?.includes("JediTerm")) {
    return SPACE_TRUE_COLORS;
  }
  if ("TEAMCITY_VERSION" in environment) {
    return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(environment.TEAMCITY_VERSION) ? SPACE_16_COLORS : SPACE_MONO;
  }
  if (environment.COLORTERM === "truecolor") {
    return SPACE_TRUE_COLORS;
  }
  if (environment.TERM === "xterm-kitty") {
    return SPACE_TRUE_COLORS;
  }
  if ("TERM_PROGRAM" in environment) {
    const version = Number.parseInt((environment.TERM_PROGRAM_VERSION ?? "").split(".")[0], 10);
    if (environment.TERM_PROGRAM === "iTerm.app") {
      return version >= 3 ? SPACE_TRUE_COLORS : SPACE_256_COLORS;
    }
    if (environment.TERM_PROGRAM === "Apple_Terminal") {
      return SPACE_256_COLORS;
    }
  }
  if (/-256(color)?$/i.test(environment.TERM)) {
    return SPACE_256_COLORS;
  }
  let isTTY = false;
  if (isDeno) {
    if (stdName === "out") {
      isTTY = _this.Deno.stdout.isTerminal();
    } else if (stdName === "err") {
      isTTY = _this.Deno.stderr.isTerminal();
    }
  } else if ("PM2_HOME" in environment && "pm_id" in environment) {
    isTTY = true;
  } else {
    isTTY = proc["std" + stdName] && "isTTY" in proc["std" + stdName];
  }
  if (isTTY && /^screen|^tmux|^xterm|^vt[1-5]\d\d|^ansi|color|mintty|rxvt|cygwin|linux/i.test(environment.TERM)) {
    return SPACE_16_COLORS;
  }
  if ("COLORTERM" in environment) {
    return SPACE_16_COLORS;
  }
  return minColorLevel;
}, "isColorSupportedFactory");
const isStdoutColorSupported = /* @__PURE__ */ __name(() => isColorSupportedFactory("out"), "isStdoutColorSupported");
const isStderrColorSupported = /* @__PURE__ */ __name(() => isColorSupportedFactory("err"), "isStderrColorSupported");

export { SPACE_16_COLORS, SPACE_256_COLORS, SPACE_MONO, SPACE_TRUE_COLORS, isStderrColorSupported, isStdoutColorSupported };