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Viewing / Editing File: hints.js

"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;
    const tmpExclusive = currentSchema.formatExclusiveMaximum;
    currentSchema.minLength = currentSchema.maxLength;
    currentSchema.maxLength = tmpLength;
    currentSchema.formatMinimum = currentSchema.formatMaximum;
    currentSchema.formatMaximum = tmpFormat;
    currentSchema.formatExclusiveMaximum = !currentSchema.formatExclusiveMinimum;
    currentSchema.formatExclusiveMinimum = !tmpExclusive;
  }

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;
};

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