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auto.js
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auto.js
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var fs = require('fs'),
_ = require('lodash'),
Importer = require('./importer'),
Swagger = require('./swagger'),
RAML08 = require('./raml08'),
RAML10 = require('./raml10'),
Postman = require('./postman'),
StopLightX = require('./stoplightx'),
urlHelper = require('../utils/url');
// Detect input format automatically
function Auto() {
this.importer = null;
this.detectedFormat = null;
}
Auto.prototype = new Importer();
Auto.prototype.getDetectedFormat = function() {
return this.detectedFormat;
};
Auto.prototype._parseStopLightX = function(data, resolve, reject) {
var self = this,
stopLightX = new StopLightX();
stopLightX.loadData(data)
.then(function() {
self.detectedFormat = 'STOPLIGHTX';
self.data = stopLightX.data;
self.importer = stopLightX;
resolve();
})
.catch(reject);
};
Auto.prototype._parsePostman = function(data, resolve, reject) {
var self = this,
postman = new Postman();
postman.loadData(data)
.then(function() {
self.detectedFormat = 'POSTMAN';
self.data = postman.data;
self.importer = postman;
resolve();
})
.catch(reject);
};
Auto.prototype._parseRAML = function(data, resolve, reject) {
var self = this;
var raml;
var detectedFormat;
if (/#%RAML[\s]*0\.?8?/.test(data)) {
raml = new RAML08();
detectedFormat = RAML08.name;
} else if (/#%RAML[\s]*1\.?0?/.test(data)) {
raml = new RAML10();
detectedFormat = RAML10.name;
}
raml.loadData(data)
.then(function() {
self.detectedFormat = detectedFormat;
self.data = raml.data;
self.importer = raml;
resolve();
})
.catch(reject);
};
Auto.prototype._parseSwagger = function(data, resolve, reject) {
var self = this,
swagger = new Swagger();
swagger.loadData(data)
.then(function() {
self.detectedFormat = 'SWAGGER';
self.data = swagger.data;
self.importer = swagger;
resolve();
})
.catch(reject);
};
Auto.prototype.detectFormat = function(data) {
if (!data) {
return;
}
var parsedData = _.trim(data);
var type;
try {
parsedData = JSON.parse(data);
type = 'json';
} catch (err) {
parsedData = data;
type = 'yaml';
}
if (type === 'json') {
if (parsedData.swagger) {
return 'STOPLIGHTX';
} else {
return 'POSTMAN';
}
}
if (type === 'yaml') {
if (/#%RAML[\s]*0\.?8?/.test(parsedData)) {
return RAML08.name;
} else if (/#%RAML[\s]*1\.?0?/.test(parsedData)) {
return RAML10.name;
}
if (/swagger:[\s'"]*\d\.?\d?/.test(parsedData)) {
return 'SWAGGER';
}
}
return 'UNKNOWN';
};
Auto.prototype.loadData = function(data) {
var self = this,
format = this.detectFormat(data);
return new Promise(function(resolve, reject) {
switch (format) {
case 'STOPLIGHTX':
return self._parseStopLightX(data, resolve, reject);
case 'POSTMAN':
return self._parsePostman(data, resolve, reject);
case 'RAML08':
case 'RAML10':
return self._parseRAML(data, resolve, reject);
case 'SWAGGER':
return self._parseSwagger(data, resolve, reject);
case 'UNKNOWN':
return reject(new Error('Unable to parse file. Invalid or unsupported syntax.'));
default:
return reject(new Error('No data provided'));
}
});
};
Auto.prototype.loadFile = function(filePath, cb) {
var self = this;
if (urlHelper.isURL(filePath)) {
// Remote file
urlHelper.get(filePath)
.then(function(body) {
self.loadData(body)
.then(cb)
.catch(cb);
})
.catch(cb);
} else {
// Local file
var fileContent = fs.readFileSync(filePath, 'utf8');
self.loadData(fileContent)
.then(cb)
.catch(cb);
}
};
Auto.prototype._import = function() {
this.importer._import();
this.project = this.importer.project;
};
module.exports = Auto;