1 files changed, 0 insertions, 367 deletions
diff --git a/src/data/things/validators.js b/src/data/things/validators.js
deleted file mode 100644
index cc603d4..0000000
--- a/src/data/things/validators.js
+++ /dev/null
@@ -1,367 +0,0 @@
-import {withAggregate} from '../../util/sugar.js';
-
-import {color, ENABLE_COLOR} from '../../util/cli.js';
-
-import {inspect as nodeInspect} from 'util';
-
-function inspect(value) {
-  return nodeInspect(value, {colors: ENABLE_COLOR});
-}
-
-// Basic types (primitives)
-
-function a(noun) {
-  return /[aeiou]/.test(noun[0]) ? `an ${noun}` : `a ${noun}`;
-}
-
-function isType(value, type) {
-  if (typeof value !== type)
-    throw new TypeError(`Expected ${a(type)}, got ${typeof value}`);
-
-  return true;
-}
-
-export function isBoolean(value) {
-  return isType(value, 'boolean');
-}
-
-export function isNumber(value) {
-  return isType(value, 'number');
-}
-
-export function isPositive(number) {
-  isNumber(number);
-
-  if (number <= 0) throw new TypeError(`Expected positive number`);
-
-  return true;
-}
-
-export function isNegative(number) {
-  isNumber(number);
-
-  if (number >= 0) throw new TypeError(`Expected negative number`);
-
-  return true;
-}
-
-export function isPositiveOrZero(number) {
-  isNumber(number);
-
-  if (number < 0) throw new TypeError(`Expected positive number or zero`);
-
-  return true;
-}
-
-export function isNegativeOrZero(number) {
-  isNumber(number);
-
-  if (number > 0) throw new TypeError(`Expected negative number or zero`);
-
-  return true;
-}
-
-export function isInteger(number) {
-  isNumber(number);
-
-  if (number % 1 !== 0) throw new TypeError(`Expected integer`);
-
-  return true;
-}
-
-export function isCountingNumber(number) {
-  isInteger(number);
-  isPositive(number);
-
-  return true;
-}
-
-export function isWholeNumber(number) {
-  isInteger(number);
-  isPositiveOrZero(number);
-
-  return true;
-}
-
-export function isString(value) {
-  return isType(value, 'string');
-}
-
-export function isStringNonEmpty(value) {
-  isString(value);
-
-  if (value.trim().length === 0)
-    throw new TypeError(`Expected non-empty string`);
-
-  return true;
-}
-
-// Complex types (non-primitives)
-
-export function isInstance(value, constructor) {
-  isObject(value);
-
-  if (!(value instanceof constructor))
-    throw new TypeError(`Expected ${constructor.name}, got ${value.constructor.name}`);
-
-  return true;
-}
-
-export function isDate(value) {
-  return isInstance(value, Date);
-}
-
-export function isObject(value) {
-  isType(value, 'object');
-
-  // Note: Please remember that null is always a valid value for properties
-  // held by a CacheableObject. This assertion is exclusively for use in other
-  // contexts.
-  if (value === null) throw new TypeError(`Expected an object, got null`);
-
-  return true;
-}
-
-export function isArray(value) {
-  if (typeof value !== 'object' || value === null || !Array.isArray(value))
-    throw new TypeError(`Expected an array, got ${value}`);
-
-  return true;
-}
-
-function validateArrayItemsHelper(itemValidator) {
-  return (item, index) => {
-    try {
-      const value = itemValidator(item);
-
-      if (value !== true) {
-        throw new Error(`Expected validator to return true`);
-      }
-    } catch (error) {
-      error.message = `(index: ${color.green(index)}, item: ${inspect(item)}) ${error.message}`;
-      throw error;
-    }
-  };
-}
-
-export function validateArrayItems(itemValidator) {
-  const fn = validateArrayItemsHelper(itemValidator);
-
-  return (array) => {
-    isArray(array);
-
-    withAggregate({message: 'Errors validating array items'}, ({wrap}) => {
-      array.forEach(wrap(fn));
-    });
-
-    return true;
-  };
-}
-
-export function validateInstanceOf(constructor) {
-  return (object) => isInstance(object, constructor);
-}
-
-// Wiki data (primitives & non-primitives)
-
-export function isColor(color) {
-  isStringNonEmpty(color);
-
-  if (color.startsWith('#')) {
-    if (![4, 5, 7, 9].includes(color.length))
-      throw new TypeError(`Expected #rgb, #rgba, #rrggbb, or #rrggbbaa, got length ${color.length}`);
-
-    if (/[^0-9a-fA-F]/.test(color.slice(1)))
-      throw new TypeError(`Expected hexadecimal digits`);
-
-    return true;
-  }
-
-  throw new TypeError(`Unknown color format`);
-}
-
-export function isCommentary(commentary) {
-  return isString(commentary);
-}
-
-const isArtistRef = validateReference('artist');
-
-export function validateProperties(spec) {
-  const specEntries = Object.entries(spec);
-  const specKeys = Object.keys(spec);
-
-  return (object) => {
-    isObject(object);
-
-    if (Array.isArray(object))
-      throw new TypeError(`Expected an object, got array`);
-
-    withAggregate({message: `Errors validating object properties`}, ({call}) => {
-      for (const [specKey, specValidator] of specEntries) {
-        call(() => {
-          const value = object[specKey];
-          try {
-            specValidator(value);
-          } catch (error) {
-            error.message = `(key: ${color.green(specKey)}, value: ${inspect(value)}) ${error.message}`;
-            throw error;
-          }
-        });
-      }
-
-      const unknownKeys = Object.keys(object).filter((key) => !specKeys.includes(key));
-      if (unknownKeys.length > 0) {
-        call(() => {
-          throw new Error(`Unknown keys present (${unknownKeys.length}): [${unknownKeys.join(', ')}]`);
-        });
-      }
-    });
-
-    return true;
-  };
-}
-
-export const isContribution = validateProperties({
-  who: isArtistRef,
-  what: (value) =>
-    value === undefined ||
-    value === null ||
-    isStringNonEmpty(value),
-});
-
-export const isContributionList = validateArrayItems(isContribution);
-
-export const isAdditionalFile = validateProperties({
-  title: isString,
-  description: (value) =>
-    value === undefined ||
-    value === null ||
-    isString(value),
-  files: validateArrayItems(isString),
-});
-
-export const isAdditionalFileList = validateArrayItems(isAdditionalFile);
-
-export function isDimensions(dimensions) {
-  isArray(dimensions);
-
-  if (dimensions.length !== 2) throw new TypeError(`Expected 2 item array`);
-
-  isPositive(dimensions[0]);
-  isInteger(dimensions[0]);
-  isPositive(dimensions[1]);
-  isInteger(dimensions[1]);
-
-  return true;
-}
-
-export function isDirectory(directory) {
-  isStringNonEmpty(directory);
-
-  if (directory.match(/[^a-zA-Z0-9_-]/))
-    throw new TypeError(`Expected only letters, numbers, dash, and underscore, got "${directory}"`);
-
-  return true;
-}
-
-export function isDuration(duration) {
-  isNumber(duration);
-  isPositiveOrZero(duration);
-
-  return true;
-}
-
-export function isFileExtension(string) {
-  isStringNonEmpty(string);
-
-  if (string[0] === '.')
-    throw new TypeError(`Expected no dot (.) at the start of file extension`);
-
-  if (string.match(/[^a-zA-Z0-9_]/))
-    throw new TypeError(`Expected only alphanumeric and underscore`);
-
-  return true;
-}
-
-export function isLanguageCode(string) {
-  // TODO: This is a stub function because really we don't need a detailed
-  // is-language-code parser right now.
-
-  isString(string);
-
-  return true;
-}
-
-export function isName(name) {
-  return isString(name);
-}
-
-export function isURL(string) {
-  isStringNonEmpty(string);
-
-  new URL(string);
-
-  return true;
-}
-
-export function validateReference(type = 'track') {
-  return (ref) => {
-    isStringNonEmpty(ref);
-
-    const match = ref
-      .trim()
-      .match(/^(?:(?<typePart>\S+):(?=\S))?(?<directoryPart>.+)(?<!:)$/);
-
-    if (!match) throw new TypeError(`Malformed reference`);
-
-    const {groups: {typePart, directoryPart}} = match;
-
-    if (typePart) {
-      if (typePart !== type)
-        throw new TypeError(`Expected ref to begin with "${type}:", got "${typePart}:"`);
-
-      isDirectory(directoryPart);
-    }
-
-    isName(ref);
-
-    return true;
-  };
-}
-
-export function validateReferenceList(type = '') {
-  return validateArrayItems(validateReference(type));
-}
-
-// Compositional utilities
-
-export function oneOf(...checks) {
-  return (value) => {
-    const errorMeta = [];
-
-    for (let i = 0, check; (check = checks[i]); i++) {
-      try {
-        const result = check(value);
-
-        if (result !== true) {
-          throw new Error(`Check returned false`);
-        }
-
-        return true;
-      } catch (error) {
-        errorMeta.push([check, i, error]);
-      }
-    }
-
-    // Don't process error messages until every check has failed.
-    const errors = [];
-    for (const [check, i, error] of errorMeta) {
-      error.message = check.name
-        ? `(#${i} "${check.name}") ${error.message}`
-        : `(#${i}) ${error.message}`;
-      error.check = check;
-      errors.push(error);
-    }
-    throw new AggregateError(errors, `Expected one of ${checks.length} possible checks, but none were true`);
-  };
-}