FM / util

/var/www/flurhymez/node_modules/schema-utils/dist/util/

/var/www/flurhymez/node_modules/schema-utils/dist/util

Name	Size	Mode	Actions
hints.js	2979	0644	edit dl rm
Range.js	4069	0644	edit dl rm

Edit: /var/www/flurhymez/node_modules/schema-utils/dist/util/Range.js (4069B)

"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;

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