@aws-cdk/core
Version:
AWS Cloud Development Kit Core Library
121 lines • 14.1 kB
JavaScript
var _a, _b;
Object.defineProperty(exports, "__esModule", { value: true });
exports.DefaultTokenResolver = exports.StringConcat = void 0;
const jsiiDeprecationWarnings = require("../.warnings.jsii.js");
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const encoding_1 = require("./private/encoding");
const token_map_1 = require("./private/token-map");
/**
* Converts all fragments to strings and concats those
*
* Drops 'undefined's.
*/
class StringConcat {
join(left, right) {
if (left === undefined) {
return right !== undefined ? `${right}` : undefined;
}
if (right === undefined) {
return `${left}`;
}
return `${left}${right}`;
}
}
exports.StringConcat = StringConcat;
_a = JSII_RTTI_SYMBOL_1;
StringConcat[_a] = { fqn: "@aws-cdk/core.StringConcat", version: "1.204.0" };
/**
* Default resolver implementation
*
*/
class DefaultTokenResolver {
constructor(concat) {
this.concat = concat;
try {
jsiiDeprecationWarnings._aws_cdk_core_IFragmentConcatenator(concat);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, DefaultTokenResolver);
}
throw error;
}
}
/**
* Default Token resolution
*
* Resolve the Token, recurse into whatever it returns,
* then finally post-process it.
*/
resolveToken(t, context, postProcessor) {
try {
jsiiDeprecationWarnings._aws_cdk_core_IResolvable(t);
jsiiDeprecationWarnings._aws_cdk_core_IResolveContext(context);
jsiiDeprecationWarnings._aws_cdk_core_IPostProcessor(postProcessor);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.resolveToken);
}
throw error;
}
try {
let resolved = t.resolve(context);
// The token might have returned more values that need resolving, recurse
resolved = context.resolve(resolved);
resolved = postProcessor.postProcess(resolved, context);
return resolved;
}
catch (e) {
let message = `Resolution error: ${e.message}.`;
if (t.creationStack && t.creationStack.length > 0) {
message += `\nObject creation stack:\n at ${t.creationStack.join('\n at ')}`;
}
e.message = message;
throw e;
}
}
/**
* Resolve string fragments to Tokens
*/
resolveString(fragments, context) {
try {
jsiiDeprecationWarnings._aws_cdk_core_TokenizedStringFragments(fragments);
jsiiDeprecationWarnings._aws_cdk_core_IResolveContext(context);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.resolveString);
}
throw error;
}
return fragments.mapTokens({ mapToken: context.resolve }).join(this.concat);
}
resolveList(xs, context) {
try {
jsiiDeprecationWarnings._aws_cdk_core_IResolveContext(context);
}
catch (error) {
if (process.env.JSII_DEBUG !== "1" && error.name === "DeprecationError") {
Error.captureStackTrace(error, this.resolveList);
}
throw error;
}
// Must be a singleton list token, because concatenation is not allowed.
if (xs.length !== 1) {
throw new Error(`Cannot add elements to list token, got: ${xs}`);
}
const str = encoding_1.TokenString.forListToken(xs[0]);
const tokenMap = token_map_1.TokenMap.instance();
const fragments = str.split(tokenMap.lookupToken.bind(tokenMap));
if (fragments.length !== 1) {
throw new Error(`Cannot concatenate strings in a tokenized string array, got: ${xs[0]}`);
}
return fragments.mapTokens({ mapToken: context.resolve }).firstValue;
}
}
exports.DefaultTokenResolver = DefaultTokenResolver;
_b = JSII_RTTI_SYMBOL_1;
DefaultTokenResolver[_b] = { fqn: "@aws-cdk/core.DefaultTokenResolver", version: "1.204.0" };
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Unchanged\n   */\n  readonly allowIntrinsicKeys?: boolean;\n}\n\n/**\n * Interface for values that can be resolvable later\n *\n * Tokens are special objects that participate in synthesis.\n */\nexport interface IResolvable {\n  /**\n   * The creation stack of this resolvable which will be appended to errors\n   * thrown during resolution.\n   *\n   * This may return an array with a single informational element indicating how\n   * to get this property populated, if it was skipped for performance reasons.\n   */\n  readonly creationStack: string[];\n\n  /**\n   * Produce the Token's value at resolution time\n   */\n  resolve(context: IResolveContext): any;\n\n  /**\n   * Return a string representation of this resolvable object.\n   *\n   * Returns a reversible string representation.\n   */\n  toString(): string;\n}\n\n/**\n * A Token that can post-process the complete resolved value, after resolve() has recursed over it\n */\nexport interface IPostProcessor {\n  /**\n   * Process the completely resolved value, after full recursion/resolution has happened\n   */\n  postProcess(input: any, context: IResolveContext): any;\n}\n\n/**\n * How to resolve tokens\n */\nexport interface ITokenResolver {\n  /**\n   * Resolve a single token\n   */\n  resolveToken(t: IResolvable, context: IResolveContext, postProcessor: IPostProcessor): any;\n\n  /**\n   * Resolve a string with at least one stringified token in it\n   *\n   * (May use concatenation)\n   */\n  resolveString(s: TokenizedStringFragments, context: IResolveContext): any;\n\n  /**\n   * Resolve a tokenized list\n   */\n  resolveList(l: string[], context: IResolveContext): any;\n}\n\n/**\n * Function used to concatenate symbols in the target document language\n *\n * Interface so it could potentially be exposed over jsii.\n *\n */\nexport interface IFragmentConcatenator {\n  /**\n   * Join the fragment on the left and on the right\n   */\n  join(left: any | undefined, right: any | undefined): any;\n}\n\n/**\n * Converts all fragments to strings and concats those\n *\n * Drops 'undefined's.\n */\nexport class StringConcat implements IFragmentConcatenator {\n  public join(left: any | undefined, right: any | undefined): any {\n    if (left === undefined) { return right !== undefined ? `${right}` : undefined; }\n    if (right === undefined) { return `${left}`; }\n    return `${left}${right}`;\n  }\n}\n\n/**\n * Default resolver implementation\n *\n */\nexport class DefaultTokenResolver implements ITokenResolver {\n  constructor(private readonly concat: IFragmentConcatenator) {\n  }\n\n  /**\n   * Default Token resolution\n   *\n   * Resolve the Token, recurse into whatever it returns,\n   * then finally post-process it.\n   */\n  public resolveToken(t: IResolvable, context: IResolveContext, postProcessor: IPostProcessor) {\n    try {\n      let resolved = t.resolve(context);\n\n      // The token might have returned more values that need resolving, recurse\n      resolved = context.resolve(resolved);\n      resolved = postProcessor.postProcess(resolved, context);\n      return resolved;\n    } catch (e) {\n      let message = `Resolution error: ${e.message}.`;\n      if (t.creationStack && t.creationStack.length > 0) {\n        message += `\\nObject creation stack:\\n  at ${t.creationStack.join('\\n  at ')}`;\n      }\n\n      e.message = message;\n      throw e;\n    }\n  }\n\n  /**\n   * Resolve string fragments to Tokens\n   */\n  public resolveString(fragments: TokenizedStringFragments, context: IResolveContext) {\n    return fragments.mapTokens({ mapToken: context.resolve }).join(this.concat);\n  }\n\n  public resolveList(xs: string[], context: IResolveContext) {\n    // Must be a singleton list token, because concatenation is not allowed.\n    if (xs.length !== 1) {\n      throw new Error(`Cannot add elements to list token, got: ${xs}`);\n    }\n\n    const str = TokenString.forListToken(xs[0]);\n    const tokenMap = TokenMap.instance();\n    const fragments = str.split(tokenMap.lookupToken.bind(tokenMap));\n    if (fragments.length !== 1) {\n      throw new Error(`Cannot concatenate strings in a tokenized string array, got: ${xs[0]}`);\n    }\n\n    return fragments.mapTokens({ mapToken: context.resolve }).firstValue;\n  }\n}\n"]}
;