@aws-cdk/core
Version:
AWS Cloud Development Kit Core Library
90 lines • 11.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const stack_trace_1 = require("./stack-trace");
const token_1 = require("./token");
/**
* Lazily produce a value
*
* Can be used to return a string, list or numeric value whose actual value
* will only be calculated later, during synthesis.
*/
class Lazy {
static stringValue(producer, options = {}) {
return token_1.Token.asString(new LazyString(producer), options);
}
static numberValue(producer) {
return token_1.Token.asNumber(new LazyNumber(producer));
}
static listValue(producer, options = {}) {
return token_1.Token.asList(new LazyList(producer, options), options);
}
static anyValue(producer, options = {}) {
return new LazyAny(producer, options);
}
constructor() {
}
}
exports.Lazy = Lazy;
class LazyBase {
constructor() {
this.creationStack = stack_trace_1.captureStackTrace();
}
toString() {
return token_1.Token.asString(this);
}
/**
* Turn this Token into JSON
*
* Called automatically when JSON.stringify() is called on a Token.
*/
toJSON() {
return '<unresolved-lazy>';
}
}
class LazyString extends LazyBase {
constructor(producer) {
super();
this.producer = producer;
}
resolve(context) {
return this.producer.produce(context);
}
}
class LazyNumber extends LazyBase {
constructor(producer) {
super();
this.producer = producer;
}
resolve(context) {
return this.producer.produce(context);
}
}
class LazyList extends LazyBase {
constructor(producer, options = {}) {
super();
this.producer = producer;
this.options = options;
}
resolve(context) {
const ret = this.producer.produce(context);
if (ret !== undefined && ret.length === 0 && this.options.omitEmpty) {
return undefined;
}
return ret;
}
}
class LazyAny extends LazyBase {
constructor(producer, options = {}) {
super();
this.producer = producer;
this.options = options;
}
resolve(context) {
const ret = this.producer.produce(context);
if (Array.isArray(ret) && ret.length === 0 && this.options.omitEmptyArray) {
return undefined;
}
return ret;
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"lazy.js","sourceRoot":"","sources":["lazy.ts"],"names":[],"mappings":";;AACA,+CAAkD;AAClD,mCAAgC;AA4FhC;;;;;GAKG;AACH,MAAa,IAAI;IACR,MAAM,CAAC,WAAW,CAAC,QAAyB,EAAE,UAAkC,EAAE;QACvF,OAAO,aAAK,CAAC,QAAQ,CAAC,IAAI,UAAU,CAAC,QAAQ,CAAC,EAAE,OAAO,CAAC,CAAC;IAC3D,CAAC;IAEM,MAAM,CAAC,WAAW,CAAC,QAAyB;QACjD,OAAO,aAAK,CAAC,QAAQ,CAAC,IAAI,UAAU,CAAC,QAAQ,CAAC,CAAC,CAAC;IAClD,CAAC;IAEM,MAAM,CAAC,SAAS,CAAC,QAAuB,EAAE,UAAgC,EAAE;QACjF,OAAO,aAAK,CAAC,MAAM,CAAC,IAAI,QAAQ,CAAC,QAAQ,EAAE,OAAO,CAAC,EAAE,OAAO,CAAC,CAAC;IAChE,CAAC;IAEM,MAAM,CAAC,QAAQ,CAAC,QAAsB,EAAE,UAA+B,EAAE;QAC9E,OAAO,IAAI,OAAO,CAAC,QAAQ,EAAE,OAAO,CAAC,CAAC;IACxC,CAAC;IAED;IACA,CAAC;CACF;AAnBD,oBAmBC;AAED,MAAe,QAAQ;IAGrB;QACE,IAAI,CAAC,aAAa,GAAG,+BAAiB,EAAE,CAAC;IAC3C,CAAC;IAGM,QAAQ;QACb,OAAO,aAAK,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC;IAC9B,CAAC;IAED;;;;OAIG;IACI,MAAM;QACX,OAAO,mBAAmB,CAAC;IAC7B,CAAC;CAEF;AAED,MAAM,UAAW,SAAQ,QAAQ;IAC/B,YAA6B,QAAyB;QACpD,KAAK,EAAE,CAAC;QADmB,aAAQ,GAAR,QAAQ,CAAiB;IAEtD,CAAC;IAEM,OAAO,CAAC,OAAwB;QACrC,OAAO,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;IACxC,CAAC;CACF;AAED,MAAM,UAAW,SAAQ,QAAQ;IAC/B,YAA6B,QAAyB;QACpD,KAAK,EAAE,CAAC;QADmB,aAAQ,GAAR,QAAQ,CAAiB;IAEtD,CAAC;IAEM,OAAO,CAAC,OAAwB;QACrC,OAAO,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;IACxC,CAAC;CACF;AAED,MAAM,QAAS,SAAQ,QAAQ;IAC7B,YAA6B,QAAuB,EAAmB,UAAgC,EAAE;QACvG,KAAK,EAAE,CAAC;QADmB,aAAQ,GAAR,QAAQ,CAAe;QAAmB,YAAO,GAAP,OAAO,CAA2B;IAEzG,CAAC;IAEM,OAAO,CAAC,OAAwB;QACrC,MAAM,GAAG,GAAG,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;QAC3C,IAAI,GAAG,KAAK,SAAS,IAAI,GAAG,CAAC,MAAM,KAAK,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,SAAS,EAAE;YACnE,OAAO,SAAS,CAAC;SAClB;QACD,OAAO,GAAG,CAAC;IACb,CAAC;CACF;AAED,MAAM,OAAQ,SAAQ,QAAQ;IAC5B,YAA6B,QAAsB,EAAmB,UAA+B,EAAE;QACrG,KAAK,EAAE,CAAC;QADmB,aAAQ,GAAR,QAAQ,CAAc;QAAmB,YAAO,GAAP,OAAO,CAA0B;IAEvG,CAAC;IAEM,OAAO,CAAC,OAAwB;QACrC,MAAM,GAAG,GAAG,IAAI,CAAC,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;QAC3C,IAAI,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,IAAI,GAAG,CAAC,MAAM,KAAK,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,cAAc,EAAE;YACzE,OAAO,SAAS,CAAC;SAClB;QACD,OAAO,GAAG,CAAC;IACb,CAAC;CACF","sourcesContent":["import { IResolvable, IResolveContext } from \"./resolvable\";\nimport { captureStackTrace } from './stack-trace';\nimport { Token } from \"./token\";\n\n/**\n * Interface for lazy string producers\n */\nexport interface IStringProducer {\n  /**\n   * Produce the string value\n   */\n  produce(context: IResolveContext): string | undefined;\n}\n\n/**\n * Interface for lazy list producers\n */\nexport interface IListProducer {\n  /**\n   * Produce the list value\n   */\n  produce(context: IResolveContext): string[] | undefined;\n}\n\n/**\n * Interface for lazy number producers\n */\nexport interface INumberProducer {\n  /**\n   * Produce the number value\n   */\n  produce(context: IResolveContext): number | undefined;\n}\n\n/**\n * Interface for lazy untyped value producers\n */\nexport interface IAnyProducer {\n  /**\n   * Produce the value\n   */\n  produce(context: IResolveContext): any;\n}\n\n/**\n * Options for creating a lazy string token\n */\nexport interface LazyStringValueOptions {\n  /**\n   * Use the given name as a display hint\n   *\n   * @default - No hint\n   */\n  readonly displayHint?: string;\n}\n\n/**\n * Options for creating a lazy list token\n */\nexport interface LazyListValueOptions {\n  /**\n   * Use the given name as a display hint\n   *\n   * @default - No hint\n   */\n  readonly displayHint?: string;\n\n  /**\n   * If the produced list is empty, return 'undefined' instead\n   *\n   * @default false\n   */\n  readonly omitEmpty?: boolean;\n}\n\n/**\n * Options for creating lazy untyped tokens\n */\nexport interface LazyAnyValueOptions {\n  /**\n   * Use the given name as a display hint\n   *\n   * @default - No hint\n   */\n  readonly displayHint?: string;\n\n  /**\n   * If the produced value is an array and it is empty, return 'undefined' instead\n   *\n   * @default false\n   */\n  readonly omitEmptyArray?: boolean;\n}\n\n/**\n * Lazily produce a value\n *\n * Can be used to return a string, list or numeric value whose actual value\n * will only be calculated later, during synthesis.\n */\nexport class Lazy {\n  public static stringValue(producer: IStringProducer, options: LazyStringValueOptions = {}) {\n    return Token.asString(new LazyString(producer), options);\n  }\n\n  public static numberValue(producer: INumberProducer) {\n    return Token.asNumber(new LazyNumber(producer));\n  }\n\n  public static listValue(producer: IListProducer, options: LazyListValueOptions = {}) {\n    return Token.asList(new LazyList(producer, options), options);\n  }\n\n  public static anyValue(producer: IAnyProducer, options: LazyAnyValueOptions = {}): IResolvable {\n    return new LazyAny(producer, options);\n  }\n\n  private constructor() {\n  }\n}\n\nabstract class LazyBase implements IResolvable {\n  public readonly creationStack: string[];\n\n  constructor() {\n    this.creationStack = captureStackTrace();\n  }\n\n  public abstract resolve(context: IResolveContext): any;\n  public toString() {\n    return Token.asString(this);\n  }\n\n  /**\n   * Turn this Token into JSON\n   *\n   * Called automatically when JSON.stringify() is called on a Token.\n   */\n  public toJSON(): any {\n    return '<unresolved-lazy>';\n  }\n\n}\n\nclass LazyString extends LazyBase {\n  constructor(private readonly producer: IStringProducer) {\n    super();\n  }\n\n  public resolve(context: IResolveContext) {\n    return this.producer.produce(context);\n  }\n}\n\nclass LazyNumber extends LazyBase {\n  constructor(private readonly producer: INumberProducer) {\n    super();\n  }\n\n  public resolve(context: IResolveContext) {\n    return this.producer.produce(context);\n  }\n}\n\nclass LazyList extends LazyBase {\n  constructor(private readonly producer: IListProducer, private readonly options: LazyListValueOptions = {}) {\n    super();\n  }\n\n  public resolve(context: IResolveContext) {\n    const ret = this.producer.produce(context);\n    if (ret !== undefined && ret.length === 0 && this.options.omitEmpty) {\n      return undefined;\n    }\n    return ret;\n  }\n}\n\nclass LazyAny extends LazyBase {\n  constructor(private readonly producer: IAnyProducer, private readonly options: LazyAnyValueOptions = {}) {\n    super();\n  }\n\n  public resolve(context: IResolveContext) {\n    const ret = this.producer.produce(context);\n    if (Array.isArray(ret) && ret.length === 0 && this.options.omitEmptyArray) {\n      return undefined;\n    }\n    return ret;\n  }\n}"]}