diff options
Diffstat (limited to 'node_modules/qs/lib/stringify.js')
-rw-r--r-- | node_modules/qs/lib/stringify.js | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/node_modules/qs/lib/stringify.js b/node_modules/qs/lib/stringify.js new file mode 100644 index 000000000..7414284c5 --- /dev/null +++ b/node_modules/qs/lib/stringify.js @@ -0,0 +1,121 @@ +// Load modules + +var Utils = require('./utils'); + + +// Declare internals + +var internals = { + delimiter: '&', + arrayPrefixGenerators: { + brackets: function (prefix, key) { + + return prefix + '[]'; + }, + indices: function (prefix, key) { + + return prefix + '[' + key + ']'; + }, + repeat: function (prefix, key) { + + return prefix; + } + }, + strictNullHandling: false +}; + + +internals.stringify = function (obj, prefix, generateArrayPrefix, strictNullHandling, filter) { + + if (typeof filter === 'function') { + obj = filter(prefix, obj); + } + else if (Utils.isBuffer(obj)) { + obj = obj.toString(); + } + else if (obj instanceof Date) { + obj = obj.toISOString(); + } + else if (obj === null) { + if (strictNullHandling) { + return Utils.encode(prefix); + } + + obj = ''; + } + + if (typeof obj === 'string' || + typeof obj === 'number' || + typeof obj === 'boolean') { + + return [Utils.encode(prefix) + '=' + Utils.encode(obj)]; + } + + var values = []; + + if (typeof obj === 'undefined') { + return values; + } + + var objKeys = Array.isArray(filter) ? filter : Object.keys(obj); + for (var i = 0, il = objKeys.length; i < il; ++i) { + var key = objKeys[i]; + + if (Array.isArray(obj)) { + values = values.concat(internals.stringify(obj[key], generateArrayPrefix(prefix, key), generateArrayPrefix, strictNullHandling, filter)); + } + else { + values = values.concat(internals.stringify(obj[key], prefix + '[' + key + ']', generateArrayPrefix, strictNullHandling, filter)); + } + } + + return values; +}; + + +module.exports = function (obj, options) { + + options = options || {}; + var delimiter = typeof options.delimiter === 'undefined' ? internals.delimiter : options.delimiter; + var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : internals.strictNullHandling; + var objKeys; + var filter; + if (typeof options.filter === 'function') { + filter = options.filter; + obj = filter('', obj); + } + else if (Array.isArray(options.filter)) { + objKeys = filter = options.filter; + } + + var keys = []; + + if (typeof obj !== 'object' || + obj === null) { + + return ''; + } + + var arrayFormat; + if (options.arrayFormat in internals.arrayPrefixGenerators) { + arrayFormat = options.arrayFormat; + } + else if ('indices' in options) { + arrayFormat = options.indices ? 'indices' : 'repeat'; + } + else { + arrayFormat = 'indices'; + } + + var generateArrayPrefix = internals.arrayPrefixGenerators[arrayFormat]; + + if (!objKeys) { + objKeys = Object.keys(obj); + } + for (var i = 0, il = objKeys.length; i < il; ++i) { + var key = objKeys[i]; + keys = keys.concat(internals.stringify(obj[key], key, generateArrayPrefix, strictNullHandling, filter)); + } + + return keys.join(delimiter); +}; |