@atomist/sdm-pack-aspect
Version:
an Atomist SDM Extension Pack for visualizing drift across an organization
72 lines • 2.79 kB
JavaScript
;
/*
* Copyright © 2019 Atomist, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Score the given object in the given context
* @param scoreFunctions scoring functions. Undefined returns will be ignored
* @param {T} toScore what to score
* @param {CONTEXT} context
* @return {Promise<Scores>}
*/
function scoresFor(scoreFunctions, toScore, context) {
return __awaiter(this, void 0, void 0, function* () {
const scores = {};
for (const scorer of scoreFunctions) {
const score = yield scorer(toScore, context);
if (score) {
scores[score.name] = score;
}
}
return scores;
});
}
exports.scoresFor = scoresFor;
/**
* Perform a weighted composite score for the given scores.
* Returns a real number from 0 to 5
*/
function weightedCompositeScore(scored, weightings = {}) {
const keys = Object.getOwnPropertyNames(scored.scores);
if (keys.length === 0) {
return undefined;
}
const weightedScores = {};
let compositeScore = 0.0;
let divideBy = 0;
const scores = keys.map(k => scored.scores[k]);
for (const score of scores) {
const weighting = weightings[score.name] || 1;
weightedScores[score.name] = Object.assign({}, score, { weighting });
compositeScore += score.score * weighting;
divideBy += weighting;
}
const weightedScore = compositeScore / divideBy;
return {
weightedScore,
weightedScores,
};
}
exports.weightedCompositeScore = weightedCompositeScore;
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