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105 lines
2.9 KiB
105 lines
2.9 KiB
"use strict"; |
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const Range = require('./Range'); |
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/** @typedef {import("../validate").Schema} Schema */ |
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/** |
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* @param {Schema} schema |
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* @param {boolean} logic |
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* @return {string[]} |
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*/ |
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module.exports.stringHints = function stringHints(schema, logic) { |
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const hints = []; |
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let type = 'string'; |
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const currentSchema = { ...schema |
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}; |
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if (!logic) { |
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const tmpLength = currentSchema.minLength; |
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const tmpFormat = currentSchema.formatMinimum; |
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const tmpExclusive = currentSchema.formatExclusiveMaximum; |
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currentSchema.minLength = currentSchema.maxLength; |
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currentSchema.maxLength = tmpLength; |
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currentSchema.formatMinimum = currentSchema.formatMaximum; |
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currentSchema.formatMaximum = tmpFormat; |
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currentSchema.formatExclusiveMaximum = !currentSchema.formatExclusiveMinimum; |
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currentSchema.formatExclusiveMinimum = !tmpExclusive; |
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} |
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if (typeof currentSchema.minLength === 'number') { |
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if (currentSchema.minLength === 1) { |
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type = 'non-empty string'; |
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} else { |
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const length = Math.max(currentSchema.minLength - 1, 0); |
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hints.push(`should be longer than ${length} character${length > 1 ? 's' : ''}`); |
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} |
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} |
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if (typeof currentSchema.maxLength === 'number') { |
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if (currentSchema.maxLength === 0) { |
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type = 'empty string'; |
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} else { |
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const length = currentSchema.maxLength + 1; |
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hints.push(`should be shorter than ${length} character${length > 1 ? 's' : ''}`); |
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} |
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} |
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if (currentSchema.pattern) { |
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hints.push(`should${logic ? '' : ' not'} match pattern ${JSON.stringify(currentSchema.pattern)}`); |
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} |
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if (currentSchema.format) { |
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hints.push(`should${logic ? '' : ' not'} match format ${JSON.stringify(currentSchema.format)}`); |
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} |
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if (currentSchema.formatMinimum) { |
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hints.push(`should be ${currentSchema.formatExclusiveMinimum ? '>' : '>='} ${JSON.stringify(currentSchema.formatMinimum)}`); |
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} |
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if (currentSchema.formatMaximum) { |
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hints.push(`should be ${currentSchema.formatExclusiveMaximum ? '<' : '<='} ${JSON.stringify(currentSchema.formatMaximum)}`); |
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} |
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return [type].concat(hints); |
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}; |
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/** |
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* @param {Schema} schema |
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* @param {boolean} logic |
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* @return {string[]} |
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*/ |
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module.exports.numberHints = function numberHints(schema, logic) { |
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const hints = [schema.type === 'integer' ? 'integer' : 'number']; |
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const range = new Range(); |
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if (typeof schema.minimum === 'number') { |
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range.left(schema.minimum); |
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} |
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if (typeof schema.exclusiveMinimum === 'number') { |
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range.left(schema.exclusiveMinimum, true); |
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} |
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if (typeof schema.maximum === 'number') { |
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range.right(schema.maximum); |
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} |
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if (typeof schema.exclusiveMaximum === 'number') { |
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range.right(schema.exclusiveMaximum, true); |
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} |
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const rangeFormat = range.format(logic); |
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if (rangeFormat) { |
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hints.push(rangeFormat); |
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} |
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if (typeof schema.multipleOf === 'number') { |
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hints.push(`should${logic ? '' : ' not'} be multiple of ${schema.multipleOf}`); |
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} |
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return hints; |
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}; |