94 lines
2.2 KiB
JavaScript
94 lines
2.2 KiB
JavaScript
const path = require("path");
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const fs = require("fs");
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const yaml = require("js-yaml");
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const Ajv = require("ajv");
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const ajv = new Ajv({ allErrors: true });
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const configSchema = require("./config-schema.json");
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function getArgs() {
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const args = {};
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process.argv.slice(2, process.argv.length).forEach((arg) => {
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// long arg
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if (arg.slice(0, 2) === "--") {
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const longArg = arg.split("=");
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args[longArg[0].slice(2, longArg[0].length)] = longArg[1];
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}
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// flags
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else if (arg[0] === "-") {
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const flags = arg.slice(1, arg.length).split("");
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flags.forEach((flag) => {
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args[flag] = true;
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});
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}
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});
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return args;
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}
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/**
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* TODO
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*
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* @param path
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* @return {any}
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*/
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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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* TODO
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* @param config
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* @param warn
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* @return {*}
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*/
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function isConfigValid(config, warn = true) {
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const validate = ajv.compile(configSchema);
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const isValid = validate(config);
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if (!isValid && warn) console.warn(validate.errors);
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return isValid;
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}
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/**
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* TODO
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* @return {*}
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*/
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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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* TODO
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* Deep merges objects, not arrays.
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*
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* @param baseConfig
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* @param overrideConfig
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* @return {{}}
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*/
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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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module.exports.getArgs = getArgs;
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module.exports.getConfig = getConfig;
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module.exports.getDefaultConfig = getDefaultConfig;
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module.exports.deepMergeConfigs = deepMergeConfigs;
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module.exports.isConfigValid = isConfigValid;
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