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author | Rebecca Turner <me@re-becca.org> | 2018-04-20 18:26:37 -0700 |
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committer | Rebecca Turner <me@re-becca.org> | 2018-05-24 23:24:45 -0700 |
commit | 468ab4519e1b92473acefb22801497a1af6aebae (patch) | |
tree | bdac1d062cd4b094bde3a21147bab5d82c792ece /deps/npm/node_modules/ajv/lib/compile/async.js | |
parent | ac8226115e2192a7a46ba07789fa5136f74223e1 (diff) | |
download | android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.gz android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.bz2 android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.zip |
deps: upgrade npm to 6.1.0
PR-URL: https://github.com/nodejs/node/pull/20190
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Michaƫl Zasso <targos@protonmail.com>
Diffstat (limited to 'deps/npm/node_modules/ajv/lib/compile/async.js')
-rw-r--r-- | deps/npm/node_modules/ajv/lib/compile/async.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/deps/npm/node_modules/ajv/lib/compile/async.js b/deps/npm/node_modules/ajv/lib/compile/async.js new file mode 100644 index 0000000000..6a30b8892b --- /dev/null +++ b/deps/npm/node_modules/ajv/lib/compile/async.js @@ -0,0 +1,90 @@ +'use strict'; + +var MissingRefError = require('./error_classes').MissingRef; + +module.exports = compileAsync; + + +/** + * Creates validating function for passed schema with asynchronous loading of missing schemas. + * `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema. + * @this Ajv + * @param {Object} schema schema object + * @param {Boolean} meta optional true to compile meta-schema; this parameter can be skipped + * @param {Function} callback an optional node-style callback, it is called with 2 parameters: error (or null) and validating function. + * @return {Promise} promise that resolves with a validating function. + */ +function compileAsync(schema, meta, callback) { + /* eslint no-shadow: 0 */ + /* global Promise */ + /* jshint validthis: true */ + var self = this; + if (typeof this._opts.loadSchema != 'function') + throw new Error('options.loadSchema should be a function'); + + if (typeof meta == 'function') { + callback = meta; + meta = undefined; + } + + var p = loadMetaSchemaOf(schema).then(function () { + var schemaObj = self._addSchema(schema, undefined, meta); + return schemaObj.validate || _compileAsync(schemaObj); + }); + + if (callback) { + p.then( + function(v) { callback(null, v); }, + callback + ); + } + + return p; + + + function loadMetaSchemaOf(sch) { + var $schema = sch.$schema; + return $schema && !self.getSchema($schema) + ? compileAsync.call(self, { $ref: $schema }, true) + : Promise.resolve(); + } + + + function _compileAsync(schemaObj) { + try { return self._compile(schemaObj); } + catch(e) { + if (e instanceof MissingRefError) return loadMissingSchema(e); + throw e; + } + + + function loadMissingSchema(e) { + var ref = e.missingSchema; + if (added(ref)) throw new Error('Schema ' + ref + ' is loaded but ' + e.missingRef + ' cannot be resolved'); + + var schemaPromise = self._loadingSchemas[ref]; + if (!schemaPromise) { + schemaPromise = self._loadingSchemas[ref] = self._opts.loadSchema(ref); + schemaPromise.then(removePromise, removePromise); + } + + return schemaPromise.then(function (sch) { + if (!added(ref)) { + return loadMetaSchemaOf(sch).then(function () { + if (!added(ref)) self.addSchema(sch, ref, undefined, meta); + }); + } + }).then(function() { + return _compileAsync(schemaObj); + }); + + function removePromise() { + delete self._loadingSchemas[ref]; + } + + function added(ref) { + return self._refs[ref] || self._schemas[ref]; + } + } + } +} |