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aws-cdk

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CDK Toolkit, the command line tool for CDK apps

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.Settings = exports.TRANSIENT_CONTEXT_KEY = void 0; const os = require("os"); const fs_path = require("path"); const fs = require("fs-extra"); const logging_1 = require("../logging"); const error_1 = require("../toolkit/error"); const util = require("../util/objects"); /** * If a context value is an object with this key set to a truthy value, it won't be saved to cdk.context.json */ exports.TRANSIENT_CONTEXT_KEY = '$dontSaveContext'; /** * A single bag of settings */ class Settings { static mergeAll(...settings) { let ret = new Settings(); for (const setting of settings) { ret = ret.merge(setting); } return ret; } constructor(settings = {}, readOnly = false) { this.settings = settings; this.readOnly = readOnly; } async load(fileName) { if (this.readOnly) { throw new error_1.ToolkitError(`Can't load ${fileName}: settings object is readonly`); } this.settings = {}; const expanded = expandHomeDir(fileName); if (await fs.pathExists(expanded)) { this.settings = await fs.readJson(expanded); } // See https://github.com/aws/aws-cdk/issues/59 this.prohibitContextKey('default-account', fileName); this.prohibitContextKey('default-region', fileName); this.warnAboutContextKey('aws:', fileName); return this; } async save(fileName) { const expanded = expandHomeDir(fileName); await fs.writeJson(expanded, stripTransientValues(this.settings), { spaces: 2, }); return this; } get all() { return this.get([]); } merge(other) { return new Settings(util.deepMerge(this.settings, other.settings)); } subSettings(keyPrefix) { return new Settings(this.get(keyPrefix) || {}, false); } makeReadOnly() { return new Settings(this.settings, true); } clear() { if (this.readOnly) { throw new error_1.ToolkitError('Cannot clear(): settings are readonly'); } this.settings = {}; } get empty() { return Object.keys(this.settings).length === 0; } get(path) { return util.deepClone(util.deepGet(this.settings, path)); } set(path, value) { if (this.readOnly) { throw new error_1.ToolkitError(`Can't set ${path}: settings object is readonly`); } if (path.length === 0) { // deepSet can't handle this case this.settings = value; } else { util.deepSet(this.settings, path, value); } return this; } unset(path) { this.set(path, undefined); } prohibitContextKey(key, fileName) { if (!this.settings.context) { return; } if (key in this.settings.context) { // eslint-disable-next-line max-len throw new error_1.ToolkitError(`The 'context.${key}' key was found in ${fs_path.resolve(fileName)}, but it is no longer supported. Please remove it.`); } } warnAboutContextKey(prefix, fileName) { if (!this.settings.context) { return; } for (const contextKey of Object.keys(this.settings.context)) { if (contextKey.startsWith(prefix)) { // eslint-disable-next-line max-len (0, logging_1.warning)(`A reserved context key ('context.${prefix}') key was found in ${fs_path.resolve(fileName)}, it might cause surprising behavior and should be removed.`); } } } } exports.Settings = Settings; function expandHomeDir(x) { if (x.startsWith('~')) { return fs_path.join(os.homedir(), x.slice(1)); } return x; } /** * Return all context value that are not transient context values */ function stripTransientValues(obj) { const ret = {}; for (const [key, value] of Object.entries(obj)) { if (!isTransientValue(value)) { ret[key] = value; } } return ret; } /** * Return whether the given value is a transient context value * * Values that are objects with a magic key set to a truthy value are considered transient. */ function isTransientValue(value) { return (typeof value === 'object' && value !== null && value[exports.TRANSIENT_CONTEXT_KEY]); } //# 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* as os from 'os';\nimport * as fs_path from 'path';\nimport * as fs from 'fs-extra';\nimport { warning } from '../logging';\nimport { ToolkitError } from '../toolkit/error';\nimport * as util from '../util/objects';\n\nexport type SettingsMap = { [key: string]: any };\n\n/**\n * If a context value is an object with this key set to a truthy value, it won't be saved to cdk.context.json\n */\nexport const TRANSIENT_CONTEXT_KEY = '$dontSaveContext';\n\n/**\n * A single bag of settings\n */\nexport class Settings {\n  public static mergeAll(...settings: Settings[]): Settings {\n    let ret = new Settings();\n    for (const setting of settings) {\n      ret = ret.merge(setting);\n    }\n    return ret;\n  }\n\n  constructor(\n    private settings: SettingsMap = {},\n    public readonly readOnly = false,\n  ) {}\n\n  public async load(fileName: string): Promise<this> {\n    if (this.readOnly) {\n      throw new ToolkitError(\n        `Can't load ${fileName}: settings object is readonly`,\n      );\n    }\n    this.settings = {};\n\n    const expanded = expandHomeDir(fileName);\n    if (await fs.pathExists(expanded)) {\n      this.settings = await fs.readJson(expanded);\n    }\n\n    // See https://github.com/aws/aws-cdk/issues/59\n    this.prohibitContextKey('default-account', fileName);\n    this.prohibitContextKey('default-region', fileName);\n    this.warnAboutContextKey('aws:', fileName);\n\n    return this;\n  }\n\n  public async save(fileName: string): Promise<this> {\n    const expanded = expandHomeDir(fileName);\n    await fs.writeJson(expanded, stripTransientValues(this.settings), {\n      spaces: 2,\n    });\n    return this;\n  }\n\n  public get all(): any {\n    return this.get([]);\n  }\n\n  public merge(other: Settings): Settings {\n    return new Settings(util.deepMerge(this.settings, other.settings));\n  }\n\n  public subSettings(keyPrefix: string[]) {\n    return new Settings(this.get(keyPrefix) || {}, false);\n  }\n\n  public makeReadOnly(): Settings {\n    return new Settings(this.settings, true);\n  }\n\n  public clear() {\n    if (this.readOnly) {\n      throw new ToolkitError('Cannot clear(): settings are readonly');\n    }\n    this.settings = {};\n  }\n\n  public get empty(): boolean {\n    return Object.keys(this.settings).length === 0;\n  }\n\n  public get(path: string[]): any {\n    return util.deepClone(util.deepGet(this.settings, path));\n  }\n\n  public set(path: string[], value: any): Settings {\n    if (this.readOnly) {\n      throw new ToolkitError(`Can't set ${path}: settings object is readonly`);\n    }\n    if (path.length === 0) {\n      // deepSet can't handle this case\n      this.settings = value;\n    } else {\n      util.deepSet(this.settings, path, value);\n    }\n    return this;\n  }\n\n  public unset(path: string[]) {\n    this.set(path, undefined);\n  }\n\n  private prohibitContextKey(key: string, fileName: string) {\n    if (!this.settings.context) {\n      return;\n    }\n    if (key in this.settings.context) {\n      // eslint-disable-next-line max-len\n      throw new ToolkitError(\n        `The 'context.${key}' key was found in ${fs_path.resolve(\n          fileName,\n        )}, but it is no longer supported. Please remove it.`,\n      );\n    }\n  }\n\n  private warnAboutContextKey(prefix: string, fileName: string) {\n    if (!this.settings.context) {\n      return;\n    }\n    for (const contextKey of Object.keys(this.settings.context)) {\n      if (contextKey.startsWith(prefix)) {\n        // eslint-disable-next-line max-len\n        warning(\n          `A reserved context key ('context.${prefix}') key was found in ${fs_path.resolve(\n            fileName,\n          )}, it might cause surprising behavior and should be removed.`,\n        );\n      }\n    }\n  }\n}\n\nfunction expandHomeDir(x: string) {\n  if (x.startsWith('~')) {\n    return fs_path.join(os.homedir(), x.slice(1));\n  }\n  return x;\n}\n\n/**\n * Return all context value that are not transient context values\n */\nfunction stripTransientValues(obj: { [key: string]: any }) {\n  const ret: any = {};\n  for (const [key, value] of Object.entries(obj)) {\n    if (!isTransientValue(value)) {\n      ret[key] = value;\n    }\n  }\n  return ret;\n}\n\n/**\n * Return whether the given value is a transient context value\n *\n * Values that are objects with a magic key set to a truthy value are considered transient.\n */\nfunction isTransientValue(value: any) {\n  return (\n    typeof value === 'object' &&\n    value !== null &&\n    (value as any)[TRANSIENT_CONTEXT_KEY]\n  );\n}\n"]}