Index: imaps-frontend/node_modules/schema-utils/dist/util/Range.js
===================================================================
--- imaps-frontend/node_modules/schema-utils/dist/util/Range.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/schema-utils/dist/util/Range.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,143 @@
+"use strict";
+
+/**
+ * @typedef {[number, boolean]} RangeValue
+ */
+
+/**
+ * @callback RangeValueCallback
+ * @param {RangeValue} rangeValue
+ * @returns {boolean}
+ */
+
+class Range {
+  /**
+   * @param {"left" | "right"} side
+   * @param {boolean} exclusive
+   * @returns {">" | ">=" | "<" | "<="}
+   */
+  static getOperator(side, exclusive) {
+    if (side === "left") {
+      return exclusive ? ">" : ">=";
+    }
+    return exclusive ? "<" : "<=";
+  }
+
+  /**
+   * @param {number} value
+   * @param {boolean} logic is not logic applied
+   * @param {boolean} exclusive is range exclusive
+   * @returns {string}
+   */
+  static formatRight(value, logic, exclusive) {
+    if (logic === false) {
+      return Range.formatLeft(value, !logic, !exclusive);
+    }
+    return `should be ${Range.getOperator("right", exclusive)} ${value}`;
+  }
+
+  /**
+   * @param {number} value
+   * @param {boolean} logic is not logic applied
+   * @param {boolean} exclusive is range exclusive
+   * @returns {string}
+   */
+  static formatLeft(value, logic, exclusive) {
+    if (logic === false) {
+      return Range.formatRight(value, !logic, !exclusive);
+    }
+    return `should be ${Range.getOperator("left", exclusive)} ${value}`;
+  }
+
+  /**
+   * @param {number} start left side value
+   * @param {number} end right side value
+   * @param {boolean} startExclusive is range exclusive from left side
+   * @param {boolean} endExclusive is range exclusive from right side
+   * @param {boolean} logic is not logic applied
+   * @returns {string}
+   */
+  static formatRange(start, end, startExclusive, endExclusive, logic) {
+    let result = "should be";
+    result += ` ${Range.getOperator(logic ? "left" : "right", logic ? startExclusive : !startExclusive)} ${start} `;
+    result += logic ? "and" : "or";
+    result += ` ${Range.getOperator(logic ? "right" : "left", logic ? endExclusive : !endExclusive)} ${end}`;
+    return result;
+  }
+
+  /**
+   * @param {Array<RangeValue>} values
+   * @param {boolean} logic is not logic applied
+   * @return {RangeValue} computed value and it's exclusive flag
+   */
+  static getRangeValue(values, logic) {
+    let minMax = logic ? Infinity : -Infinity;
+    let j = -1;
+    const predicate = logic ? /** @type {RangeValueCallback} */
+    ([value]) => value <= minMax : /** @type {RangeValueCallback} */
+    ([value]) => value >= minMax;
+    for (let i = 0; i < values.length; i++) {
+      if (predicate(values[i])) {
+        [minMax] = values[i];
+        j = i;
+      }
+    }
+    if (j > -1) {
+      return values[j];
+    }
+    return [Infinity, true];
+  }
+  constructor() {
+    /** @type {Array<RangeValue>} */
+    this._left = [];
+    /** @type {Array<RangeValue>} */
+    this._right = [];
+  }
+
+  /**
+   * @param {number} value
+   * @param {boolean=} exclusive
+   */
+  left(value, exclusive = false) {
+    this._left.push([value, exclusive]);
+  }
+
+  /**
+   * @param {number} value
+   * @param {boolean=} exclusive
+   */
+  right(value, exclusive = false) {
+    this._right.push([value, exclusive]);
+  }
+
+  /**
+   * @param {boolean} logic is not logic applied
+   * @return {string} "smart" range string representation
+   */
+  format(logic = true) {
+    const [start, leftExclusive] = Range.getRangeValue(this._left, logic);
+    const [end, rightExclusive] = Range.getRangeValue(this._right, !logic);
+    if (!Number.isFinite(start) && !Number.isFinite(end)) {
+      return "";
+    }
+    const realStart = leftExclusive ? start + 1 : start;
+    const realEnd = rightExclusive ? end - 1 : end;
+
+    // e.g. 5 < x < 7, 5 < x <= 6, 6 <= x <= 6
+    if (realStart === realEnd) {
+      return `should be ${logic ? "" : "!"}= ${realStart}`;
+    }
+
+    // e.g. 4 < x < ∞
+    if (Number.isFinite(start) && !Number.isFinite(end)) {
+      return Range.formatLeft(start, logic, leftExclusive);
+    }
+
+    // e.g. ∞ < x < 4
+    if (!Number.isFinite(start) && Number.isFinite(end)) {
+      return Range.formatRight(end, logic, rightExclusive);
+    }
+    return Range.formatRange(start, end, leftExclusive, rightExclusive, logic);
+  }
+}
+module.exports = Range;
Index: imaps-frontend/node_modules/schema-utils/dist/util/hints.js
===================================================================
--- imaps-frontend/node_modules/schema-utils/dist/util/hints.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/schema-utils/dist/util/hints.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,85 @@
+"use strict";
+
+const Range = require("./Range");
+
+/** @typedef {import("../validate").Schema} Schema */
+
+/**
+ * @param {Schema} schema
+ * @param {boolean} logic
+ * @return {string[]}
+ */
+module.exports.stringHints = function stringHints(schema, logic) {
+  const hints = [];
+  let type = "string";
+  const currentSchema = {
+    ...schema
+  };
+  if (!logic) {
+    const tmpLength = currentSchema.minLength;
+    const tmpFormat = currentSchema.formatMinimum;
+    currentSchema.minLength = currentSchema.maxLength;
+    currentSchema.maxLength = tmpLength;
+    currentSchema.formatMinimum = currentSchema.formatMaximum;
+    currentSchema.formatMaximum = tmpFormat;
+  }
+  if (typeof currentSchema.minLength === "number") {
+    if (currentSchema.minLength === 1) {
+      type = "non-empty string";
+    } else {
+      const length = Math.max(currentSchema.minLength - 1, 0);
+      hints.push(`should be longer than ${length} character${length > 1 ? "s" : ""}`);
+    }
+  }
+  if (typeof currentSchema.maxLength === "number") {
+    if (currentSchema.maxLength === 0) {
+      type = "empty string";
+    } else {
+      const length = currentSchema.maxLength + 1;
+      hints.push(`should be shorter than ${length} character${length > 1 ? "s" : ""}`);
+    }
+  }
+  if (currentSchema.pattern) {
+    hints.push(`should${logic ? "" : " not"} match pattern ${JSON.stringify(currentSchema.pattern)}`);
+  }
+  if (currentSchema.format) {
+    hints.push(`should${logic ? "" : " not"} match format ${JSON.stringify(currentSchema.format)}`);
+  }
+  if (currentSchema.formatMinimum) {
+    hints.push(`should be ${currentSchema.formatExclusiveMinimum ? ">" : ">="} ${JSON.stringify(currentSchema.formatMinimum)}`);
+  }
+  if (currentSchema.formatMaximum) {
+    hints.push(`should be ${currentSchema.formatExclusiveMaximum ? "<" : "<="} ${JSON.stringify(currentSchema.formatMaximum)}`);
+  }
+  return [type].concat(hints);
+};
+
+/**
+ * @param {Schema} schema
+ * @param {boolean} logic
+ * @return {string[]}
+ */
+module.exports.numberHints = function numberHints(schema, logic) {
+  const hints = [schema.type === "integer" ? "integer" : "number"];
+  const range = new Range();
+  if (typeof schema.minimum === "number") {
+    range.left(schema.minimum);
+  }
+  if (typeof schema.exclusiveMinimum === "number") {
+    range.left(schema.exclusiveMinimum, true);
+  }
+  if (typeof schema.maximum === "number") {
+    range.right(schema.maximum);
+  }
+  if (typeof schema.exclusiveMaximum === "number") {
+    range.right(schema.exclusiveMaximum, true);
+  }
+  const rangeFormat = range.format(logic);
+  if (rangeFormat) {
+    hints.push(rangeFormat);
+  }
+  if (typeof schema.multipleOf === "number") {
+    hints.push(`should${logic ? "" : " not"} be multiple of ${schema.multipleOf}`);
+  }
+  return hints;
+};
Index: imaps-frontend/node_modules/schema-utils/dist/util/memorize.js
===================================================================
--- imaps-frontend/node_modules/schema-utils/dist/util/memorize.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
+++ imaps-frontend/node_modules/schema-utils/dist/util/memorize.js	(revision 79a03170cdde4e801d12257ee86723774970427b)
@@ -0,0 +1,29 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+/**
+ * @template T
+ * @param fn {(function(): any) | undefined}
+ * @returns {function(): T}
+ */
+const memoize = fn => {
+  let cache = false;
+  /** @type {T} */
+  let result;
+  return () => {
+    if (cache) {
+      return result;
+    }
+    result = /** @type {function(): any} */fn();
+    cache = true;
+    // Allow to clean up memory for fn
+    // and all dependent resources
+    // eslint-disable-next-line no-undefined, no-param-reassign
+    fn = undefined;
+    return result;
+  };
+};
+var _default = exports.default = memoize;
