first commit

src/analysis/camshaft-reference.js

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+var camshaftReference = require('camshaft-reference').getVersion('latest');
+var PARAM_TYPES = {
+  NODE: 'node',
+  NUMBER: 'number',
+  STRING: 'string',
+  ENUM: 'enum'
+};
+
+var SOURCE_ANALYSIS_TYPE = 'source';
+var ANALYSIS_TYPE_TO_SOURCE_PARAM_NAMES_MAP = {};
+ANALYSIS_TYPE_TO_SOURCE_PARAM_NAMES_MAP[SOURCE_ANALYSIS_TYPE] = [];
+var ANALYSIS_TYPE_TO_PARAM_NAMES_MAP = {};
+
+var analysesReference = camshaftReference.analyses;
+if (!analysesReference) {
+  throw new Error('Error loading the reference for Camshaft analyses');
+}
+
+// Populate the analysis source and param names maps.
+for (var analysisType in analysesReference) {
+  var analysisParams = analysesReference[analysisType].params;
+  for (var paramName in analysisParams) {
+    ANALYSIS_TYPE_TO_PARAM_NAMES_MAP[analysisType] = ANALYSIS_TYPE_TO_PARAM_NAMES_MAP[analysisType] || [];
+    ANALYSIS_TYPE_TO_PARAM_NAMES_MAP[analysisType].push(paramName);
+    ANALYSIS_TYPE_TO_SOURCE_PARAM_NAMES_MAP[analysisType] = ANALYSIS_TYPE_TO_SOURCE_PARAM_NAMES_MAP[analysisType] || [];
+    var paramType = analysisParams[paramName].type;
+    if (paramType === PARAM_TYPES.NODE) {
+      ANALYSIS_TYPE_TO_SOURCE_PARAM_NAMES_MAP[analysisType].push(paramName);
+    }
+  }
+}
+
+module.exports = {
+  getSourceNamesForAnalysisType: function (analysisType) {
+    var sourceNames = ANALYSIS_TYPE_TO_SOURCE_PARAM_NAMES_MAP[analysisType];
+    if (!sourceNames) {
+      throw new Error('source names for analysis of type ' + analysisType + " couldn't be found");
+    }
+
+    return sourceNames;
+  },
+
+  getParamNamesForAnalysisType: function (analysisType) {
+    var paramNames = ANALYSIS_TYPE_TO_PARAM_NAMES_MAP[analysisType];
+    if (!paramNames) {
+      throw new Error('param names for analysis of type ' + analysisType + " couldn't be found");
+    }
+
+    return paramNames;
+  }
+};