@eagleoutice/flowr/slicing/static/fingerprint.js

Static Dataflow Analyzer and Program Slicer for the R Programming Language

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.envFingerprint = envFingerprint;
exports.fingerprint = fingerprint;
const object_hash_1 = __importDefault(require("object-hash"));
const environment_1 = require("../../dataflow/environments/environment");
/**
 * Calculate a fingerprint for the given R environment information
 * @see {@link fingerprint}
 */
function envFingerprint(env) {
    return (0, object_hash_1.default)(env, {
        algorithm: 'md5',
        excludeKeys: key => key === 'id' || key === 'value',
        respectFunctionProperties: false,
        respectFunctionNames: false,
        ignoreUnknown: true,
        replacer: (v) => (0, environment_1.isDefaultBuiltInEnvironment)(v) ? undefined : v
    });
}
/**
 * Calculate a fingerprint for the given node id and environment fingerprint
 * @see {@link envFingerprint}
 */
function fingerprint(id, envFingerprint, onlyForSideEffects) {
    return `${id}-${envFingerprint}-${onlyForSideEffects ? '0' : '1'}`;
}
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