'use strict';
var __importDefault =
  (this && this.__importDefault) ||
  function (mod) {
    return mod && mod.__esModule ? mod : { default: mod };
  };
Object.defineProperty(exports, '__esModule', { value: true });
exports.jack =
  exports.Jack =
  exports.isConfigOption =
  exports.isConfigOptionOfType =
  exports.isConfigType =
    void 0;
const node_util_1 = require('node:util');
// it's a tiny API, just cast it inline, it's fine
//@ts-ignore
const cliui_1 = __importDefault(require('@isaacs/cliui'));
const node_path_1 = require('node:path');
const isConfigType = (t) =>
  typeof t === 'string' &&
  (t === 'string' || t === 'number' || t === 'boolean');
exports.isConfigType = isConfigType;
const isValidValue = (v, type, multi) => {
  if (multi) {
    if (!Array.isArray(v)) return false;
    return !v.some((v) => !isValidValue(v, type, false));
  }
  if (Array.isArray(v)) return false;
  return typeof v === type;
};
const isValidOption = (v, vo) =>
  !!vo &&
  (Array.isArray(v) ? v.every((x) => isValidOption(x, vo)) : vo.includes(v));
/**
 * Determine whether an unknown object is a {@link ConfigOption} based only
 * on its `type` and `multiple` property
 */
const isConfigOptionOfType = (o, type, multi) =>
  !!o &&
  typeof o === 'object' &&
  (0, exports.isConfigType)(o.type) &&
  o.type === type &&
  !!o.multiple === multi;
exports.isConfigOptionOfType = isConfigOptionOfType;
/**
 * Determine whether an unknown object is a {@link ConfigOption} based on
 * it having all valid properties
 */
const isConfigOption = (o, type, multi) =>
  (0, exports.isConfigOptionOfType)(o, type, multi) &&
  undefOrType(o.short, 'string') &&
  undefOrType(o.description, 'string') &&
  undefOrType(o.hint, 'string') &&
  undefOrType(o.validate, 'function') &&
  (o.type === 'boolean' ?
    o.validOptions === undefined
  : undefOrTypeArray(o.validOptions, o.type)) &&
  (o.default === undefined || isValidValue(o.default, type, multi));
exports.isConfigOption = isConfigOption;
const isHeading = (r) => r.type === 'heading';
const isDescription = (r) => r.type === 'description';
const width = Math.min(process?.stdout?.columns ?? 80, 80);
// indentation spaces from heading level
const indent = (n) => (n - 1) * 2;
const toEnvKey = (pref, key) =>
  [pref, key.replace(/[^a-zA-Z0-9]+/g, ' ')]
    .join(' ')
    .trim()
    .toUpperCase()
    .replace(/ /g, '_');
const toEnvVal = (value, delim = '\n') => {
  const str =
    typeof value === 'string' ? value
    : typeof value === 'boolean' ?
      value ? '1'
      : '0'
    : typeof value === 'number' ? String(value)
    : Array.isArray(value) ? value.map((v) => toEnvVal(v)).join(delim)
    : /* c8 ignore start */ undefined;
  if (typeof str !== 'string') {
    throw new Error(
      `could not serialize value to environment: ${JSON.stringify(value)}`,
      { cause: { code: 'JACKSPEAK' } }
    );
  }
  /* c8 ignore stop */
  return str;
};
const fromEnvVal = (env, type, multiple, delim = '\n') =>
  multiple ?
    env ? env.split(delim).map((v) => fromEnvVal(v, type, false))
    : []
  : type === 'string' ? env
  : type === 'boolean' ? env === '1'
  : +env.trim();
const undefOrType = (v, t) => v === undefined || typeof v === t;
const undefOrTypeArray = (v, t) =>
  v === undefined || (Array.isArray(v) && v.every((x) => typeof x === t));
// print the value type, for error message reporting
const valueType = (v) =>
  typeof v === 'string' ? 'string'
  : typeof v === 'boolean' ? 'boolean'
  : typeof v === 'number' ? 'number'
  : Array.isArray(v) ?
    `${joinTypes([...new Set(v.map((v) => valueType(v)))])}[]`
  : `${v.type}${v.multiple ? '[]' : ''}`;
const joinTypes = (types) =>
  types.length === 1 && typeof types[0] === 'string' ?
    types[0]
  : `(${types.join('|')})`;
const validateFieldMeta = (field, fieldMeta) => {
  if (fieldMeta) {
    if (field.type !== undefined && field.type !== fieldMeta.type) {
      throw new TypeError(`invalid type`, {
        cause: {
          found: field.type,
          wanted: [fieldMeta.type, undefined],
        },
      });
    }
    if (
      field.multiple !== undefined &&
      !!field.multiple !== fieldMeta.multiple
    ) {
      throw new TypeError(`invalid multiple`, {
        cause: {
          found: field.multiple,
          wanted: [fieldMeta.multiple, undefined],
        },
      });
    }
    return fieldMeta;
  }
  if (!(0, exports.isConfigType)(field.type)) {
    throw new TypeError(`invalid type`, {
      cause: {
        found: field.type,
        wanted: ['string', 'number', 'boolean'],
      },
    });
  }
  return {
    type: field.type,
    multiple: !!field.multiple,
  };
};
const validateField = (o, type, multiple) => {
  const validateValidOptions = (def, validOptions) => {
    if (!undefOrTypeArray(validOptions, type)) {
      throw new TypeError('invalid validOptions', {
        cause: {
          found: validOptions,
          wanted: valueType({ type, multiple: true }),
        },
      });
    }
    if (def !== undefined && validOptions !== undefined) {
      const valid =
        Array.isArray(def) ?
          def.every((v) => validOptions.includes(v))
        : validOptions.includes(def);
      if (!valid) {
        throw new TypeError('invalid default value not in validOptions', {
          cause: {
            found: def,
            wanted: validOptions,
          },
        });
      }
    }
  };
  if (o.default !== undefined && !isValidValue(o.default, type, multiple)) {
    throw new TypeError('invalid default value', {
      cause: {
        found: o.default,
        wanted: valueType({ type, multiple }),
      },
    });
  }
  if (
    (0, exports.isConfigOptionOfType)(o, 'number', false) ||
    (0, exports.isConfigOptionOfType)(o, 'number', true)
  ) {
    validateValidOptions(o.default, o.validOptions);
  } else if (
    (0, exports.isConfigOptionOfType)(o, 'string', false) ||
    (0, exports.isConfigOptionOfType)(o, 'string', true)
  ) {
    validateValidOptions(o.default, o.validOptions);
  } else if (
    (0, exports.isConfigOptionOfType)(o, 'boolean', false) ||
    (0, exports.isConfigOptionOfType)(o, 'boolean', true)
  ) {
    if (o.hint !== undefined) {
      throw new TypeError('cannot provide hint for flag');
    }
    if (o.validOptions !== undefined) {
      throw new TypeError('cannot provide validOptions for flag');
    }
  }
  return o;
};
const toParseArgsOptionsConfig = (options) => {
  return Object.entries(options).reduce((acc, [longOption, o]) => {
    const p = {
      type: 'string',
      multiple: !!o.multiple,
      ...(typeof o.short === 'string' ? { short: o.short } : undefined),
    };
    const setNoBool = () => {
      if (!longOption.startsWith('no-') && !options[`no-${longOption}`]) {
        acc[`no-${longOption}`] = {
          type: 'boolean',
          multiple: !!o.multiple,
        };
      }
    };
    const setDefault = (def, fn) => {
      if (def !== undefined) {
        p.default = fn(def);
      }
    };
    if ((0, exports.isConfigOption)(o, 'number', false)) {
      setDefault(o.default, String);
    } else if ((0, exports.isConfigOption)(o, 'number', true)) {
      setDefault(o.default, (d) => d.map((v) => String(v)));
    } else if (
      (0, exports.isConfigOption)(o, 'string', false) ||
      (0, exports.isConfigOption)(o, 'string', true)
    ) {
      setDefault(o.default, (v) => v);
    } else if (
      (0, exports.isConfigOption)(o, 'boolean', false) ||
      (0, exports.isConfigOption)(o, 'boolean', true)
    ) {
      p.type = 'boolean';
      setDefault(o.default, (v) => v);
      setNoBool();
    }
    acc[longOption] = p;
    return acc;
  }, {});
};
/**
 * Class returned by the {@link jack} function and all configuration
 * definition methods.  This is what gets chained together.
 */
class Jack {
  #configSet;
  #shorts;
  #options;
  #fields = [];
  #env;
  #envPrefix;
  #allowPositionals;
  #usage;
  #usageMarkdown;
  constructor(options = {}) {
    this.#options = options;
    this.#allowPositionals = options.allowPositionals !== false;
    this.#env =
      this.#options.env === undefined ? process.env : this.#options.env;
    this.#envPrefix = options.envPrefix;
    // We need to fib a little, because it's always the same object, but it
    // starts out as having an empty config set.  Then each method that adds
    // fields returns `this as Jack<C & { ...newConfigs }>`
    this.#configSet = Object.create(null);
    this.#shorts = Object.create(null);
  }
  get definitions() {
    return this.#configSet;
  }
  get shorts() {
    return this.#shorts;
  }
  get jackOptions() {
    return this.#options;
  }
  get usageFields() {
    return this.#fields;
  }
  /**
   * Set the default value (which will still be overridden by env or cli)
   * as if from a parsed config file. The optional `source` param, if
   * provided, will be included in error messages if a value is invalid or
   * unknown.
   */
  setConfigValues(values, source = '') {
    try {
      this.validate(values);
    } catch (er) {
      if (source && er instanceof Error) {
        /* c8 ignore next */
        const cause = typeof er.cause === 'object' ? er.cause : {};
        er.cause = { ...cause, path: source };
      }
      throw er;
    }
    for (const [field, value] of Object.entries(values)) {
      const my = this.#configSet[field];
      // already validated, just for TS's benefit
      /* c8 ignore start */
      if (!my) {
        throw new Error('unexpected field in config set: ' + field, {
          cause: {
            code: 'JACKSPEAK',
            found: field,
          },
        });
      }
      /* c8 ignore stop */
      my.default = value;
    }
    return this;
  }
  /**
   * Parse a string of arguments, and return the resulting
   * `{ values, positionals }` object.
   *
   * If an {@link JackOptions#envPrefix} is set, then it will read default
   * values from the environment, and write the resulting values back
   * to the environment as well.
   *
   * Environment values always take precedence over any other value, except
   * an explicit CLI setting.
   */
  parse(args = process.argv) {
    this.loadEnvDefaults();
    const p = this.parseRaw(args);
    this.applyDefaults(p);
    this.writeEnv(p);
    return p;
  }
  loadEnvDefaults() {
    if (this.#envPrefix) {
      for (const [field, my] of Object.entries(this.#configSet)) {
        const ek = toEnvKey(this.#envPrefix, field);
        const env = this.#env[ek];
        if (env !== undefined) {
          my.default = fromEnvVal(env, my.type, !!my.multiple, my.delim);
        }
      }
    }
  }
  applyDefaults(p) {
    for (const [field, c] of Object.entries(this.#configSet)) {
      if (c.default !== undefined && !(field in p.values)) {
        //@ts-ignore
        p.values[field] = c.default;
      }
    }
  }
  /**
   * Only parse the command line arguments passed in.
   * Does not strip off the `node script.js` bits, so it must be just the
   * arguments you wish to have parsed.
   * Does not read from or write to the environment, or set defaults.
   */
  parseRaw(args) {
    if (args === process.argv) {
      args = args.slice(process._eval !== undefined ? 1 : 2);
    }
    const result = (0, node_util_1.parseArgs)({
      args,
      options: toParseArgsOptionsConfig(this.#configSet),
      // always strict, but using our own logic
      strict: false,
      allowPositionals: this.#allowPositionals,
      tokens: true,
    });
    const p = {
      values: {},
      positionals: [],
    };
    for (const token of result.tokens) {
      if (token.kind === 'positional') {
        p.positionals.push(token.value);
        if (
          this.#options.stopAtPositional ||
          this.#options.stopAtPositionalTest?.(token.value)
        ) {
          p.positionals.push(...args.slice(token.index + 1));
          break;
        }
      } else if (token.kind === 'option') {
        let value = undefined;
        if (token.name.startsWith('no-')) {
          const my = this.#configSet[token.name];
          const pname = token.name.substring('no-'.length);
          const pos = this.#configSet[pname];
          if (
            pos &&
            pos.type === 'boolean' &&
            (!my || (my.type === 'boolean' && !!my.multiple === !!pos.multiple))
          ) {
            value = false;
            token.name = pname;
          }
        }
        const my = this.#configSet[token.name];
        if (!my) {
          throw new Error(
            `Unknown option '${token.rawName}'. ` +
              `To specify a positional argument starting with a '-', ` +
              `place it at the end of the command after '--', as in ` +
              `'-- ${token.rawName}'`,
            {
              cause: {
                code: 'JACKSPEAK',
                found: token.rawName + (token.value ? `=${token.value}` : ''),
              },
            }
          );
        }
        if (value === undefined) {
          if (token.value === undefined) {
            if (my.type !== 'boolean') {
              throw new Error(
                `No value provided for ${token.rawName}, expected ${my.type}`,
                {
                  cause: {
                    code: 'JACKSPEAK',
                    name: token.rawName,
                    wanted: valueType(my),
                  },
                }
              );
            }
            value = true;
          } else {
            if (my.type === 'boolean') {
              throw new Error(
                `Flag ${token.rawName} does not take a value, received '${token.value}'`,
                { cause: { code: 'JACKSPEAK', found: token } }
              );
            }
            if (my.type === 'string') {
              value = token.value;
            } else {
              value = +token.value;
              if (value !== value) {
                throw new Error(
                  `Invalid value '${token.value}' provided for ` +
                    `'${token.rawName}' option, expected number`,
                  {
                    cause: {
                      code: 'JACKSPEAK',
                      name: token.rawName,
                      found: token.value,
                      wanted: 'number',
                    },
                  }
                );
              }
            }
          }
        }
        if (my.multiple) {
          const pv = p.values;
          const tn = pv[token.name] ?? [];
          pv[token.name] = tn;
          tn.push(value);
        } else {
          const pv = p.values;
          pv[token.name] = value;
        }
      }
    }
    for (const [field, value] of Object.entries(p.values)) {
      const valid = this.#configSet[field]?.validate;
      const validOptions = this.#configSet[field]?.validOptions;
      const cause =
        validOptions && !isValidOption(value, validOptions) ?
          { name: field, found: value, validOptions }
        : valid && !valid(value) ? { name: field, found: value }
        : undefined;
      if (cause) {
        throw new Error(
          `Invalid value provided for --${field}: ${JSON.stringify(value)}`,
          { cause: { ...cause, code: 'JACKSPEAK' } }
        );
      }
    }
    return p;
  }
  /**
   * do not set fields as 'no-foo' if 'foo' exists and both are bools
   * just set foo.
   */
  #noNoFields(f, val, s = f) {
    if (!f.startsWith('no-') || typeof val !== 'boolean') return;
    const yes = f.substring('no-'.length);
    // recurse so we get the core config key we care about.
    this.#noNoFields(yes, val, s);
    if (this.#configSet[yes]?.type === 'boolean') {
      throw new Error(`do not set '${s}', instead set '${yes}' as desired.`, {
        cause: { code: 'JACKSPEAK', found: s, wanted: yes },
      });
    }
  }
  /**
   * Validate that any arbitrary object is a valid configuration `values`
   * object.  Useful when loading config files or other sources.
   */
  validate(o) {
    if (!o || typeof o !== 'object') {
      throw new Error('Invalid config: not an object', {
        cause: { code: 'JACKSPEAK', found: o },
      });
    }
    const opts = o;
    for (const field in o) {
      const value = opts[field];
      /* c8 ignore next - for TS */
      if (value === undefined) continue;
      this.#noNoFields(field, value);
      const config = this.#configSet[field];
      if (!config) {
        throw new Error(`Unknown config option: ${field}`, {
          cause: { code: 'JACKSPEAK', found: field },
        });
      }
      if (!isValidValue(value, config.type, !!config.multiple)) {
        throw new Error(
          `Invalid value ${valueType(value)} for ${field}, expected ${valueType(config)}`,
          {
            cause: {
              code: 'JACKSPEAK',
              name: field,
              found: value,
              wanted: valueType(config),
            },
          }
        );
      }
      const cause =
        config.validOptions && !isValidOption(value, config.validOptions) ?
          { name: field, found: value, validOptions: config.validOptions }
        : config.validate && !config.validate(value) ?
          { name: field, found: value }
        : undefined;
      if (cause) {
        throw new Error(`Invalid config value for ${field}: ${value}`, {
          cause: { ...cause, code: 'JACKSPEAK' },
        });
      }
    }
  }
  writeEnv(p) {
    if (!this.#env || !this.#envPrefix) return;
    for (const [field, value] of Object.entries(p.values)) {
      const my = this.#configSet[field];
      this.#env[toEnvKey(this.#envPrefix, field)] = toEnvVal(value, my?.delim);
    }
  }
  /**
   * Add a heading to the usage output banner
   */
  heading(text, level, { pre = false } = {}) {
    if (level === undefined) {
      level = this.#fields.some((r) => isHeading(r)) ? 2 : 1;
    }
    this.#fields.push({ type: 'heading', text, level, pre });
    return this;
  }
  /**
   * Add a long-form description to the usage output at this position.
   */
  description(text, { pre } = {}) {
    this.#fields.push({ type: 'description', text, pre });
    return this;
  }
  /**
   * Add one or more number fields.
   */
  num(fields) {
    return this.#addFieldsWith(fields, 'number', false);
  }
  /**
   * Add one or more multiple number fields.
   */
  numList(fields) {
    return this.#addFieldsWith(fields, 'number', true);
  }
  /**
   * Add one or more string option fields.
   */
  opt(fields) {
    return this.#addFieldsWith(fields, 'string', false);
  }
  /**
   * Add one or more multiple string option fields.
   */
  optList(fields) {
    return this.#addFieldsWith(fields, 'string', true);
  }
  /**
   * Add one or more flag fields.
   */
  flag(fields) {
    return this.#addFieldsWith(fields, 'boolean', false);
  }
  /**
   * Add one or more multiple flag fields.
   */
  flagList(fields) {
    return this.#addFieldsWith(fields, 'boolean', true);
  }
  /**
   * Generic field definition method. Similar to flag/flagList/number/etc,
   * but you must specify the `type` (and optionally `multiple` and `delim`)
   * fields on each one, or Jack won't know how to define them.
   */
  addFields(fields) {
    return this.#addFields(this, fields);
  }
  #addFieldsWith(fields, type, multiple) {
    return this.#addFields(this, fields, {
      type,
      multiple,
    });
  }
  #addFields(next, fields, opt) {
    Object.assign(
      next.#configSet,
      Object.fromEntries(
        Object.entries(fields).map(([name, field]) => {
          this.#validateName(name, field);
          const { type, multiple } = validateFieldMeta(field, opt);
          const value = { ...field, type, multiple };
          validateField(value, type, multiple);
          next.#fields.push({ type: 'config', name, value });
          return [name, value];
        })
      )
    );
    return next;
  }
  #validateName(name, field) {
    if (!/^[a-zA-Z0-9]([a-zA-Z0-9-]*[a-zA-Z0-9])?$/.test(name)) {
      throw new TypeError(
        `Invalid option name: ${name}, ` +
          `must be '-' delimited ASCII alphanumeric`
      );
    }
    if (this.#configSet[name]) {
      throw new TypeError(`Cannot redefine option ${field}`);
    }
    if (this.#shorts[name]) {
      throw new TypeError(
        `Cannot redefine option ${name}, already ` +
          `in use for ${this.#shorts[name]}`
      );
    }
    if (field.short) {
      if (!/^[a-zA-Z0-9]$/.test(field.short)) {
        throw new TypeError(
          `Invalid ${name} short option: ${field.short}, ` +
            'must be 1 ASCII alphanumeric character'
        );
      }
      if (this.#shorts[field.short]) {
        throw new TypeError(
          `Invalid ${name} short option: ${field.short}, ` +
            `already in use for ${this.#shorts[field.short]}`
        );
      }
      this.#shorts[field.short] = name;
      this.#shorts[name] = name;
    }
  }
  /**
   * Return the usage banner for the given configuration
   */
  usage() {
    if (this.#usage) return this.#usage;
    let headingLevel = 1;
    //@ts-ignore
    const ui = (0, cliui_1.default)({ width });
    const first = this.#fields[0];
    let start = first?.type === 'heading' ? 1 : 0;
    if (first?.type === 'heading') {
      ui.div({
        padding: [0, 0, 0, 0],
        text: normalize(first.text),
      });
    }
    ui.div({ padding: [0, 0, 0, 0], text: 'Usage:' });
    if (this.#options.usage) {
      ui.div({
        text: this.#options.usage,
        padding: [0, 0, 0, 2],
      });
    } else {
      const cmd = (0, node_path_1.basename)(String(process.argv[1]));
      const shortFlags = [];
      const shorts = [];
      const flags = [];
      const opts = [];
      for (const [field, config] of Object.entries(this.#configSet)) {
        if (config.short) {
          if (config.type === 'boolean') shortFlags.push(config.short);
          else shorts.push([config.short, config.hint || field]);
        } else {
          if (config.type === 'boolean') flags.push(field);
          else opts.push([field, config.hint || field]);
        }
      }
      const sf = shortFlags.length ? ' -' + shortFlags.join('') : '';
      const so = shorts.map(([k, v]) => ` --${k}=<${v}>`).join('');
      const lf = flags.map((k) => ` --${k}`).join('');
      const lo = opts.map(([k, v]) => ` --${k}=<${v}>`).join('');
      const usage = `${cmd}${sf}${so}${lf}${lo}`.trim();
      ui.div({
        text: usage,
        padding: [0, 0, 0, 2],
      });
    }
    ui.div({ padding: [0, 0, 0, 0], text: '' });
    const maybeDesc = this.#fields[start];
    if (maybeDesc && isDescription(maybeDesc)) {
      const print = normalize(maybeDesc.text, maybeDesc.pre);
      start++;
      ui.div({ padding: [0, 0, 0, 0], text: print });
      ui.div({ padding: [0, 0, 0, 0], text: '' });
    }
    const { rows, maxWidth } = this.#usageRows(start);
    // every heading/description after the first gets indented by 2
    // extra spaces.
    for (const row of rows) {
      if (row.left) {
        // If the row is too long, don't wrap it
        // Bump the right-hand side down a line to make room
        const configIndent = indent(Math.max(headingLevel, 2));
        if (row.left.length > maxWidth - 3) {
          ui.div({ text: row.left, padding: [0, 0, 0, configIndent] });
          ui.div({ text: row.text, padding: [0, 0, 0, maxWidth] });
        } else {
          ui.div(
            {
              text: row.left,
              padding: [0, 1, 0, configIndent],
              width: maxWidth,
            },
            { padding: [0, 0, 0, 0], text: row.text }
          );
        }
        if (row.skipLine) {
          ui.div({ padding: [0, 0, 0, 0], text: '' });
        }
      } else {
        if (isHeading(row)) {
          const { level } = row;
          headingLevel = level;
          // only h1 and h2 have bottom padding
          // h3-h6 do not
          const b = level <= 2 ? 1 : 0;
          ui.div({ ...row, padding: [0, 0, b, indent(level)] });
        } else {
          ui.div({ ...row, padding: [0, 0, 1, indent(headingLevel + 1)] });
        }
      }
    }
    return (this.#usage = ui.toString());
  }
  /**
   * Return the usage banner markdown for the given configuration
   */
  usageMarkdown() {
    if (this.#usageMarkdown) return this.#usageMarkdown;
    const out = [];
    let headingLevel = 1;
    const first = this.#fields[0];
    let start = first?.type === 'heading' ? 1 : 0;
    if (first?.type === 'heading') {
      out.push(`# ${normalizeOneLine(first.text)}`);
    }
    out.push('Usage:');
    if (this.#options.usage) {
      out.push(normalizeMarkdown(this.#options.usage, true));
    } else {
      const cmd = (0, node_path_1.basename)(String(process.argv[1]));
      const shortFlags = [];
      const shorts = [];
      const flags = [];
      const opts = [];
      for (const [field, config] of Object.entries(this.#configSet)) {
        if (config.short) {
          if (config.type === 'boolean') shortFlags.push(config.short);
          else shorts.push([config.short, config.hint || field]);
        } else {
          if (config.type === 'boolean') flags.push(field);
          else opts.push([field, config.hint || field]);
        }
      }
      const sf = shortFlags.length ? ' -' + shortFlags.join('') : '';
      const so = shorts.map(([k, v]) => ` --${k}=<${v}>`).join('');
      const lf = flags.map((k) => ` --${k}`).join('');
      const lo = opts.map(([k, v]) => ` --${k}=<${v}>`).join('');
      const usage = `${cmd}${sf}${so}${lf}${lo}`.trim();
      out.push(normalizeMarkdown(usage, true));
    }
    const maybeDesc = this.#fields[start];
    if (maybeDesc && isDescription(maybeDesc)) {
      out.push(normalizeMarkdown(maybeDesc.text, maybeDesc.pre));
      start++;
    }
    const { rows } = this.#usageRows(start);
    // heading level in markdown is number of # ahead of text
    for (const row of rows) {
      if (row.left) {
        out.push(
          '#'.repeat(headingLevel + 1) + ' ' + normalizeOneLine(row.left, true)
        );
        if (row.text) out.push(normalizeMarkdown(row.text));
      } else if (isHeading(row)) {
        const { level } = row;
        headingLevel = level;
        out.push(
          `${'#'.repeat(headingLevel)} ${normalizeOneLine(row.text, row.pre)}`
        );
      } else {
        out.push(normalizeMarkdown(row.text, !!row.pre));
      }
    }
    return (this.#usageMarkdown = out.join('\n\n') + '\n');
  }
  #usageRows(start) {
    // turn each config type into a row, and figure out the width of the
    // left hand indentation for the option descriptions.
    let maxMax = Math.max(12, Math.min(26, Math.floor(width / 3)));
    let maxWidth = 8;
    let prev = undefined;
    const rows = [];
    for (const field of this.#fields.slice(start)) {
      if (field.type !== 'config') {
        if (prev?.type === 'config') prev.skipLine = true;
        prev = undefined;
        field.text = normalize(field.text, !!field.pre);
        rows.push(field);
        continue;
      }
      const { value } = field;
      const desc = value.description || '';
      const mult = value.multiple ? 'Can be set multiple times' : '';
      const opts =
        value.validOptions?.length ?
          `Valid options:${value.validOptions.map((v) => ` ${JSON.stringify(v)}`)}`
        : '';
      const dmDelim = desc.includes('\n') ? '\n\n' : '\n';
      const extra = [opts, mult].join(dmDelim).trim();
      const text = (normalize(desc) + dmDelim + extra).trim();
      const hint =
        value.hint ||
        (value.type === 'number' ? 'n'
        : value.type === 'string' ? field.name
        : undefined);
      const short =
        !value.short ? ''
        : value.type === 'boolean' ? `-${value.short} `
        : `-${value.short}<${hint}> `;
      const left =
        value.type === 'boolean' ?
          `${short}--${field.name}`
        : `${short}--${field.name}=<${hint}>`;
      const row = { text, left, type: 'config' };
      if (text.length > width - maxMax) {
        row.skipLine = true;
      }
      if (prev && left.length > maxMax) prev.skipLine = true;
      prev = row;
      const len = left.length + 4;
      if (len > maxWidth && len < maxMax) {
        maxWidth = len;
      }
      rows.push(row);
    }
    return { rows, maxWidth };
  }
  /**
   * Return the configuration options as a plain object
   */
  toJSON() {
    return Object.fromEntries(
      Object.entries(this.#configSet).map(([field, def]) => [
        field,
        {
          type: def.type,
          ...(def.multiple ? { multiple: true } : {}),
          ...(def.delim ? { delim: def.delim } : {}),
          ...(def.short ? { short: def.short } : {}),
          ...(def.description ?
            { description: normalize(def.description) }
          : {}),
          ...(def.validate ? { validate: def.validate } : {}),
          ...(def.validOptions ? { validOptions: def.validOptions } : {}),
          ...(def.default !== undefined ? { default: def.default } : {}),
          ...(def.hint ? { hint: def.hint } : {}),
        },
      ])
    );
  }
  /**
   * Custom printer for `util.inspect`
   */
  [node_util_1.inspect.custom](_, options) {
    return `Jack ${(0, node_util_1.inspect)(this.toJSON(), options)}`;
  }
}
exports.Jack = Jack;
/**
 * Main entry point. Create and return a {@link Jack} object.
 */
const jack = (options = {}) => new Jack(options);
exports.jack = jack;
// Unwrap and un-indent, so we can wrap description
// strings however makes them look nice in the code.
const normalize = (s, pre = false) => {
  if (pre)
    // prepend a ZWSP to each line so cliui doesn't strip it.
    return s
      .split('\n')
      .map((l) => `\u200b${l}`)
      .join('\n');
  return s
    .split(/^\s*```\s*$/gm)
    .map((s, i) => {
      if (i % 2 === 1) {
        if (!s.trim()) {
          return `\`\`\`\n\`\`\`\n`;
        }
        // outdent the ``` blocks, but preserve whitespace otherwise.
        const split = s.split('\n');
        // throw out the \n at the start and end
        split.pop();
        split.shift();
        const si = split.reduce((shortest, l) => {
          /* c8 ignore next */
          const ind = l.match(/^\s*/)?.[0] ?? '';
          if (ind.length) return Math.min(ind.length, shortest);
          else return shortest;
        }, Infinity);
        /* c8 ignore next */
        const i = isFinite(si) ? si : 0;
        return (
          '\n```\n' +
          split.map((s) => `\u200b${s.substring(i)}`).join('\n') +
          '\n```\n'
        );
      }
      return (
        s
          // remove single line breaks, except for lists
          .replace(/([^\n])\n[ \t]*([^\n])/g, (_, $1, $2) =>
            !/^[-*]/.test($2) ? `${$1} ${$2}` : `${$1}\n${$2}`
          )
          // normalize mid-line whitespace
          .replace(/([^\n])[ \t]+([^\n])/g, '$1 $2')
          // two line breaks are enough
          .replace(/\n{3,}/g, '\n\n')
          // remove any spaces at the start of a line
          .replace(/\n[ \t]+/g, '\n')
          .trim()
      );
    })
    .join('\n');
};
// normalize for markdown printing, remove leading spaces on lines
const normalizeMarkdown = (s, pre = false) => {
  const n = normalize(s, pre).replace(/\\/g, '\\\\');
  return pre ?
      `\`\`\`\n${n.replace(/\u200b/g, '')}\n\`\`\``
    : n.replace(/\n +/g, '\n').trim();
};
const normalizeOneLine = (s, pre = false) => {
  const n = normalize(s, pre)
    .replace(/[\s\u200b]+/g, ' ')
    .trim();
  return pre ? `\`${n}\`` : n;
};
//# sourceMappingURL=index.js.map