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Rosanny Sihombing authoredcea2f272
'use strict';var IDENTIFIER = /^[a-z_$][a-z0-9_$-]*$/i;var customRuleCode = require('./dotjs/custom');var definitionSchema = require('./definition_schema');module.exports = { add: addKeyword, get: getKeyword, remove: removeKeyword, validate: validateKeyword};/** * Define custom keyword * @this Ajv * @param {String} keyword custom keyword, should be unique (including different from all standard, custom and macro keywords). * @param {Object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`. * @return {Ajv} this for method chaining */function addKeyword(keyword, definition) { /* jshint validthis: true */ /* eslint no-shadow: 0 */ var RULES = this.RULES; if (RULES.keywords[keyword]) throw new Error('Keyword ' + keyword + ' is already defined'); if (!IDENTIFIER.test(keyword)) throw new Error('Keyword ' + keyword + ' is not a valid identifier'); if (definition) { this.validateKeyword(definition, true); var dataType = definition.type; if (Array.isArray(dataType)) { for (var i=0; i<dataType.length; i++) _addRule(keyword, dataType[i], definition); } else { _addRule(keyword, dataType, definition); } var metaSchema = definition.metaSchema; if (metaSchema) { if (definition.$data && this._opts.$data) { metaSchema = { anyOf: [ metaSchema, { '$ref': 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' } ] }; } definition.validateSchema = this.compile(metaSchema, true); } } RULES.keywords[keyword] = RULES.all[keyword] = true; function _addRule(keyword, dataType, definition) { var ruleGroup; for (var i=0; i<RULES.length; i++) { var rg = RULES[i]; if (rg.type == dataType) { ruleGroup = rg; break; } } if (!ruleGroup) {
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ruleGroup = { type: dataType, rules: [] };
RULES.push(ruleGroup);
}
var rule = {
keyword: keyword,
definition: definition,
custom: true,
code: customRuleCode,
implements: definition.implements
};
ruleGroup.rules.push(rule);
RULES.custom[keyword] = rule;
}
return this;
}
/**
* Get keyword
* @this Ajv
* @param {String} keyword pre-defined or custom keyword.
* @return {Object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
*/
function getKeyword(keyword) {
/* jshint validthis: true */
var rule = this.RULES.custom[keyword];
return rule ? rule.definition : this.RULES.keywords[keyword] || false;
}
/**
* Remove keyword
* @this Ajv
* @param {String} keyword pre-defined or custom keyword.
* @return {Ajv} this for method chaining
*/
function removeKeyword(keyword) {
/* jshint validthis: true */
var RULES = this.RULES;
delete RULES.keywords[keyword];
delete RULES.all[keyword];
delete RULES.custom[keyword];
for (var i=0; i<RULES.length; i++) {
var rules = RULES[i].rules;
for (var j=0; j<rules.length; j++) {
if (rules[j].keyword == keyword) {
rules.splice(j, 1);
break;
}
}
}
return this;
}
/**
* Validate keyword definition
* @this Ajv
* @param {Object} definition keyword definition object.
* @param {Boolean} throwError true to throw exception if definition is invalid
* @return {boolean} validation result
*/
function validateKeyword(definition, throwError) {
validateKeyword.errors = null;
var v = this._validateKeyword = this._validateKeyword
|| this.compile(definitionSchema, true);
if (v(definition)) return true;