@neo-one/server-plugin/Config.js

NEO•ONE Server plugin API.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const fs = tslib_1.__importStar(require("fs-extra"));
const path = tslib_1.__importStar(require("path"));
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const seamless_immutable_1 = tslib_1.__importDefault(require("seamless-immutable"));
const watchConfig$ = (file) => new rxjs_1.Observable((observer) => {
    let watcher;
    let closed = false;
    Promise.resolve().then(() => tslib_1.__importStar(require('chokidar'))).then((chokidar) => {
        if (!closed) {
            watcher = chokidar.watch(file, { ignoreInitial: false });
            watcher.on('add', () => {
                observer.next('change');
            });
            watcher.on('change', () => {
                observer.next('change');
            });
            watcher.on('error', (error) => {
                observer.error(error);
            });
            watcher.on('unlink', () => {
                observer.error(new Error('Configuration file deleted.'));
            });
        }
    })
        .catch((error) => observer.error(error));
    return () => {
        closed = true;
        if (watcher !== undefined) {
            watcher.close();
        }
    };
});
class Config {
    constructor({ name: configName, defaultConfig, schema, configPath, }) {
        this.configPath = path.resolve(configPath, `${configName}.json`);
        this.defaultConfig = defaultConfig;
        this.schema = schema;
        this.config$ = rxjs_1.defer(async () => this.getConfig()).pipe(operators_1.switchMap((config) => watchConfig$(this.configPath).pipe(operators_1.mergeScan((prevConfig) => rxjs_1.defer(async () => this.getConfig({ config: prevConfig })), config, 1))), operators_1.distinctUntilChanged());
    }
    async update({ config }) {
        await this.validate(config);
        await fs.ensureDir(path.dirname(this.configPath));
        await fs.writeFile(this.configPath, JSON.stringify(config));
        return config;
    }
    async getConfig({ config = this.defaultConfig } = {}) {
        let contents;
        try {
            contents = await fs.readFile(this.configPath, 'utf8');
        }
        catch (error) {
            if (error.code === 'ENOENT') {
                return this.update({ config });
            }
            throw error;
        }
        const currentConfig = JSON.parse(contents);
        await this.validate(currentConfig);
        if (config !== undefined) {
            return seamless_immutable_1.default.merge(config, currentConfig, {
                deep: true,
            });
        }
        return currentConfig;
    }
    async validate(config) {
        const validateConfig = await this.getValidateConfig();
        const isValid = validateConfig(config);
        if (!isValid) {
            const error = new Error('Invalid config');
            error.errors = validateConfig.errors;
            throw error;
        }
    }
    async getValidateConfig() {
        if (this.mutableValidateConfig !== undefined) {
            return this.mutableValidateConfig;
        }
        const ajv = await Promise.resolve().then(() => tslib_1.__importStar(require('ajv')));
        const validateConfig = new ajv.default().compile(this.schema);
        this.mutableValidateConfig = validateConfig;
        return validateConfig;
    }
}
exports.Config = Config;

//# sourceMappingURL=data:application/json;charset=utf8;base64,{"version":3,"sources":["Config.ts"],"names":[],"mappings":";;;AAAA,qDAA+B;AAC/B,mDAA6B;AAC7B,+BAAmD;AACnD,8CAA4E;AAC5E,oFAAmD;AAInD,MAAM,YAAY,GAAG,CAAC,IAAY,EAAqB,EAAE,CACvD,IAAI,iBAAU,CAAC,CAAC,QAAyB,EAAE,EAAE;IAG3C,IAAI,OAAwB,CAAC;IAC7B,IAAI,MAAM,GAAG,KAAK,CAAC;IACnB,0DAAO,UAAU,IACd,IAAI,CAAC,CAAC,QAAQ,EAAE,EAAE;QACjB,IAAI,CAAC,MAAM,EAAE;YACX,OAAO,GAAG,QAAQ,CAAC,KAAK,CAAC,IAAI,EAAE,EAAE,aAAa,EAAE,KAAK,EAAE,CAAC,CAAC;YACzD,OAAO,CAAC,EAAE,CAAC,KAAK,EAAE,GAAG,EAAE;gBACrB,QAAQ,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;YAC1B,CAAC,CAAC,CAAC;YACH,OAAO,CAAC,EAAE,CAAC,QAAQ,EAAE,GAAG,EAAE;gBACxB,QAAQ,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;YAC1B,CAAC,CAAC,CAAC;YACH,OAAO,CAAC,EAAE,CAAC,OAAO,EAAE,CAAC,KAAY,EAAE,EAAE;gBACnC,QAAQ,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC;YACxB,CAAC,CAAC,CAAC;YACH,OAAO,CAAC,EAAE,CAAC,QAAQ,EAAE,GAAG,EAAE;gBACxB,QAAQ,CAAC,KAAK,CAAC,IAAI,KAAK,CAAC,6BAA6B,CAAC,CAAC,CAAC;YAC3D,CAAC,CAAC,CAAC;SACJ;IACH,CAAC,CAAC;SACD,KAAK,CAAC,CAAC,KAAK,EAAE,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC;IAE3C,OAAO,GAAG,EAAE;QACV,MAAM,GAAG,IAAI,CAAC;QACd,IAAI,OAAO,KAAK,SAAS,EAAE;YACzB,OAAO,CAAC,KAAK,EAAE,CAAC;SACjB;IACH,CAAC,CAAC;AACJ,CAAC,CAAC,CAAC;AAEL,MAAa,MAAM;IASjB,YAAmB,EACjB,IAAI,EAAE,UAAU,EAChB,aAAa,EACb,MAAM,EACN,UAAU,GAOX;QACC,IAAI,CAAC,UAAU,GAAG,IAAI,CAAC,OAAO,CAAC,UAAU,EAAE,GAAG,UAAU,OAAO,CAAC,CAAC;QACjE,IAAI,CAAC,aAAa,GAAG,aAAa,CAAC;QACnC,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,IAAI,CAAC,OAAO,GAAG,YAAK,CAAC,KAAK,IAAI,EAAE,CAAC,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,IAAI,CACrD,qBAAS,CAAC,CAAC,MAAM,EAAE,EAAE,CACnB,YAAY,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,IAAI,CAChC,qBAAS,CAAC,CAAC,UAAU,EAAE,EAAE,CAAC,YAAK,CAAC,KAAK,IAAI,EAAE,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE,MAAM,EAAE,UAAU,EAAE,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC,CAChG,CACF,EAED,gCAAoB,EAAE,CACvB,CAAC;IACJ,CAAC;IAEM,KAAK,CAAC,MAAM,CAAC,EAAE,MAAM,EAAgC;QAC1D,MAAM,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;QAC5B,MAAM,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC;QAClD,MAAM,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,UAAU,EAAE,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC;QAE5D,OAAO,MAAM,CAAC;IAChB,CAAC;IAEO,KAAK,CAAC,SAAS,CAAC,EAAE,MAAM,GAAG,IAAI,CAAC,aAAa,KAAoC,EAAE;QACzF,IAAI,QAAQ,CAAC;QACb,IAAI;YACF,QAAQ,GAAG,MAAM,EAAE,CAAC,QAAQ,CAAC,IAAI,CAAC,UAAU,EAAE,MAAM,CAAC,CAAC;SACvD;QAAC,OAAO,KAAK,EAAE;YACd,IAAI,KAAK,CAAC,IAAI,KAAK,QAAQ,EAAE;gBAC3B,OAAO,IAAI,CAAC,MAAM,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;aAChC;YAED,MAAM,KAAK,CAAC;SACb;QAED,MAAM,aAAa,GAAG,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,CAAC;QAC3C,MAAM,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,CAAC;QAEnC,IAAI,MAAM,KAAK,SAAS,EAAE;YAExB,OAAQ,4BAAyB,CAAC,KAAK,CAAC,MAAM,EAAE,aAAa,EAAE;gBAC7D,IAAI,EAAE,IAAI;aACX,CAAC,CAAC;SACJ;QAED,OAAO,aAAa,CAAC;IACvB,CAAC;IAEO,KAAK,CAAC,QAAQ,CAAC,MAAe;QACpC,MAAM,cAAc,GAAG,MAAM,IAAI,CAAC,iBAAiB,EAAE,CAAC;QACtD,MAAM,OAAO,GAAG,cAAc,CAAC,MAAM,CAAC,CAAC;QACvC,IAAI,CAAC,OAAO,EAAE;YACZ,MAAM,KAAK,GAAG,IAAI,KAAK,CAAC,gBAAgB,CAAC,CAAC;YAEzC,KAAa,CAAC,MAAM,GAAG,cAAc,CAAC,MAAM,CAAC;YAC9C,MAAM,KAAK,CAAC;SACb;IACH,CAAC;IAIO,KAAK,CAAC,iBAAiB;QAC7B,IAAI,IAAI,CAAC,qBAAqB,KAAK,SAAS,EAAE;YAC5C,OAAO,IAAI,CAAC,qBAAqB,CAAC;SACnC;QAED,MAAM,GAAG,GAAG,gEAAa,KAAK,GAAC,CAAC;QAEhC,MAAM,cAAc,GAAG,IAAI,GAAG,CAAC,OAAO,EAAE,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;QAC9D,IAAI,CAAC,qBAAqB,GAAG,cAAc,CAAC;QAE5C,OAAO,cAAc,CAAC;IACxB,CAAC;CACF;AA7FD,wBA6FC","file":"neo-one-server-plugin/src/Config.js","sourcesContent":["import * as fs from 'fs-extra';\nimport * as path from 'path';\nimport { defer, Observable, Observer } from 'rxjs';\nimport { distinctUntilChanged, mergeScan, switchMap } from 'rxjs/operators';\nimport SeamlessImmutable from 'seamless-immutable';\n\ntype Event = 'change';\n\nconst watchConfig$ = (file: string): Observable<Event> =>\n  new Observable((observer: Observer<Event>) => {\n    // import('chokidar').FSWatcher\n    // tslint:disable-next-line no-any\n    let watcher: any | undefined;\n    let closed = false;\n    import('chokidar')\n      .then((chokidar) => {\n        if (!closed) {\n          watcher = chokidar.watch(file, { ignoreInitial: false });\n          watcher.on('add', () => {\n            observer.next('change');\n          });\n          watcher.on('change', () => {\n            observer.next('change');\n          });\n          watcher.on('error', (error: Error) => {\n            observer.error(error);\n          });\n          watcher.on('unlink', () => {\n            observer.error(new Error('Configuration file deleted.'));\n          });\n        }\n      })\n      .catch((error) => observer.error(error));\n\n    return () => {\n      closed = true;\n      if (watcher !== undefined) {\n        watcher.close();\n      }\n    };\n  });\n\nexport class Config<TConfig extends object> {\n  public readonly config$: Observable<TConfig>;\n  public readonly configPath: string;\n  private readonly defaultConfig: TConfig;\n  // tslint:disable-next-line no-any\n  private readonly schema: any;\n  // tslint:disable-next-line no-any\n  private mutableValidateConfig: any;\n\n  public constructor({\n    name: configName,\n    defaultConfig,\n    schema,\n    configPath,\n  }: {\n    readonly name: string;\n    readonly defaultConfig: TConfig;\n    // tslint:disable-next-line no-any\n    readonly schema: any;\n    readonly configPath: string;\n  }) {\n    this.configPath = path.resolve(configPath, `${configName}.json`);\n    this.defaultConfig = defaultConfig;\n    this.schema = schema;\n    this.config$ = defer(async () => this.getConfig()).pipe(\n      switchMap((config) =>\n        watchConfig$(this.configPath).pipe(\n          mergeScan((prevConfig) => defer(async () => this.getConfig({ config: prevConfig })), config, 1),\n        ),\n      ),\n\n      distinctUntilChanged(),\n    );\n  }\n\n  public async update({ config }: { readonly config: TConfig }): Promise<TConfig> {\n    await this.validate(config);\n    await fs.ensureDir(path.dirname(this.configPath));\n    await fs.writeFile(this.configPath, JSON.stringify(config));\n\n    return config;\n  }\n\n  private async getConfig({ config = this.defaultConfig }: { readonly config?: TConfig } = {}): Promise<TConfig> {\n    let contents;\n    try {\n      contents = await fs.readFile(this.configPath, 'utf8');\n    } catch (error) {\n      if (error.code === 'ENOENT') {\n        return this.update({ config });\n      }\n\n      throw error;\n    }\n\n    const currentConfig = JSON.parse(contents);\n    await this.validate(currentConfig);\n\n    if (config !== undefined) {\n      // tslint:disable-next-line no-any\n      return (SeamlessImmutable as any).merge(config, currentConfig, {\n        deep: true,\n      });\n    }\n\n    return currentConfig;\n  }\n\n  private async validate(config: TConfig): Promise<void> {\n    const validateConfig = await this.getValidateConfig();\n    const isValid = validateConfig(config);\n    if (!isValid) {\n      const error = new Error('Invalid config');\n      // tslint:disable-next-line no-object-mutation no-any\n      (error as any).errors = validateConfig.errors;\n      throw error;\n    }\n  }\n\n  // Promise<import('ajv').ValidateFunction>\n  // tslint:disable-next-line no-any\n  private async getValidateConfig(): Promise<any> {\n    if (this.mutableValidateConfig !== undefined) {\n      return this.mutableValidateConfig;\n    }\n\n    const ajv = await import('ajv');\n    // tslint:disable-next-line no-any\n    const validateConfig = new ajv.default().compile(this.schema);\n    this.mutableValidateConfig = validateConfig;\n\n    return validateConfig;\n  }\n}\n"]}