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configの型チェック
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@ -18,15 +18,72 @@ type Config = {
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};
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import uncheckedConfig from '../config.json' assert { type: 'json' };
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import log from '@/utils/log.js';
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class Type<T> {
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public static readonly string = new Type<string>('string');
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public static readonly boolean = new Type<boolean>('boolean');
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public readonly name: string;
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private constructor(name: string) {
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this.name = name;
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}
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check(value: unknown): value is T {
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return typeof value == this.name;
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}
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}
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function checkProperty<K extends keyof Config>(config: Object, key: K, type: Type<Config[K]>): config is { [J in K]: Config[K] } {
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const result = key in config && type.check(config[key as string]);
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if (!result) {
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log(`config.json: Property ${key}: ${type.name} required`);
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}
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return result;
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}
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function checkOptionalProperty<K extends keyof Config>(config: Object, key: K, type: Type<Config[K]>): config is { [J in K]?: Config[K] } {
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if (!(key in config)) {
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return true;
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}
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const result = type.check(config[key as string]);
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if (!result) {
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log(`config.json: The type of property ${key} must be ${type.name}`);
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}
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return result;
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}
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function setProperty<K extends keyof Config>(config: Object, key: K, value: Config[K]): asserts config is { [L in K]: Config[K] } {
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(config as { [L in K]?: Config[K] })[key] = value;
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}
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function validate(config: unknown): Config {
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// TODO: as を使わずにしっかりと検証を行う
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return config as Config;
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if (!(config instanceof Object)) {
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log('config.json: Root object required');
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} else if (
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checkProperty(config, 'host', Type.string) &&
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checkOptionalProperty(config, 'serverName', Type.string) &&
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checkProperty(config, 'i', Type.string) &&
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checkOptionalProperty(config, 'master', Type.string) &&
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checkProperty(config, 'keywordEnabled', Type.boolean) &&
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checkProperty(config, 'reversiEnabled', Type.boolean) &&
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checkProperty(config, 'notingEnabled', Type.boolean) &&
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checkProperty(config, 'chartEnabled', Type.boolean) &&
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checkProperty(config, 'serverMonitoring', Type.boolean) &&
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checkOptionalProperty(config, 'checkEmojisEnabled', Type.boolean) &&
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checkOptionalProperty(config, 'checkEmojisAtOnce', Type.boolean) &&
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checkOptionalProperty(config, 'mecab', Type.string) &&
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checkOptionalProperty(config, 'mecabDic', Type.string) &&
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checkOptionalProperty(config, 'memoryDir', Type.string)
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) {
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setProperty(config, 'wsUrl', config.host.replace('http', 'ws'));
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setProperty(config, 'apiUrl', config.host + '/api');
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return config;
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}
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throw new TypeError('config.json has an invalid type');
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}
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const config = validate(uncheckedConfig);
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config.wsUrl = config.host.replace('http', 'ws');
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config.apiUrl = config.host + '/api';
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export default config;
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