93 lines
2.3 KiB
JavaScript
93 lines
2.3 KiB
JavaScript
import path from "path";
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import fs from "fs";
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import yaml from "js-yaml";
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import Ajv from "ajv";
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const ajv = new Ajv({ allErrors: true });
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import configSchema from "./config-schema.json" assert { type: "json" };
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import { fileURLToPath } from 'url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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/**
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* Load a yaml config file from a given path.
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*
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* @param path
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* @return {Object}
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*/
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export function getConfig(path) {
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return yaml.safeLoad(fs.readFileSync(path, "utf8"));
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}
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/**
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* Check that a config object is valid.
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*
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* @param {Object} config Config object
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* @param {boolean} warn Should we warn in console for errors
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* @return {boolean}
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*/
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export function isConfigValid(config, warn = true) {
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const validate = ajv.compile(configSchema);
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const isValidAgainstSchema = validate(config);
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if (!isValidAgainstSchema && warn) console.warn(validate.errors);
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let structureIsValid = false;
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try {
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structureIsValid = config.frontend.performance.pointerEventsThrottling.some(
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(item) => item.fromUserCount === 0
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);
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} catch (e) {
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if (!e instanceof TypeError) {
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throw e;
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}
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}
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if (!structureIsValid && warn)
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console.warn(
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"At least one item under frontend.performance.pointerEventsThrottling" +
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"must have fromUserCount set to 0"
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);
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return isValidAgainstSchema && structureIsValid;
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}
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/**
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* Load the default project config
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* @return {Object}
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*/
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export function getDefaultConfig() {
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const defaultConfigPath = path.join(__dirname, "..", "..", "config.default.yml");
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return getConfig(defaultConfigPath);
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}
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/**
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* Deep merge of project config
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*
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* Objects are merged, not arrays
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*
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* @param baseConfig
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* @param overrideConfig
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* @return {Object}
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*/
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export function deepMergeConfigs(baseConfig, overrideConfig) {
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const out = {};
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Object.entries(baseConfig).forEach(([key, val]) => {
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out[key] = val;
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if (overrideConfig.hasOwnProperty(key)) {
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const overrideVal = overrideConfig[key];
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if (typeof val === "object" && !Array.isArray(val) && val !== null) {
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out[key] = deepMergeConfigs(val, overrideVal);
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} else {
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out[key] = overrideVal;
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}
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}
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});
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return out;
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}
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