73bcce88
 luigser
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<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="hydrolysis.html">
<script>
(function() {
var hydrolysis = require('hydrolysis');
Polymer({
is: 'hydrolysis-analyzer',
properties: {
/**
* The URL to an import that declares (or transitively imports) the
* elements that you wish to see analyzed.
*
* If the URL is relative, it will be resolved relative to the master
* document.
*
* If you change this value after the `<hydrolysis-analyzer>` has been
* instantiated, you must call `analyze()`.
*/
src: {
type: String,
},
/**
* Whether _all_ dependencies should be loaded and analyzed.
*
* Turning this on will probably slow down the load process dramatically.
*/
transitive: {
type: Boolean,
},
/**
* Whether the hydrolysis descriptors should be cleaned of redundant
* properties.
*/
clean: {
type: Boolean,
},
/** The resultant `Analyzer` object from Hydrolysis. */
analyzer: {
type: Object,
readOnly: true,
notify: true,
},
/** Whether the analyzer is loading/analyzing resources. */
loading: {
type: Boolean,
readOnly: true,
notify: true,
},
},
ready: function() {
this.analyze();
},
/**
* Begins loading the imports referenced by `src`.
*
* If you make changes to this element's configuration, you must call this
* function to kick off another analysis pass.
*/
analyze: function() {
if (!this.src) {
return;
}
// We can implement request cancellation when someone needs it.
if (this.loading) {
console.error('Analyzer is already loading a document:', this);
return;
}
this._setLoading(true);
var options = {
clean: this.clean,
filter: this.transitive ? function() { return false; } : null,
attachAst: true,
};
var baseUri = this.ownerDocument.baseURI;
var srcUrl = new URL(this.src, baseUri).toString();
hydrolysis.Analyzer.analyze(srcUrl, options).then(function(analyzer) {
this._setLoading(false);
this._setAnalyzer(analyzer);
}.bind(this))
.catch(function(error) {
console.error('Failed to load source at:', this.src, error);
console.error(error.stack);
this._setLoading(false);
this._setAnalyzer(null);
}.bind(this));
},
});
})();
</script>
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