@aws-cdk/core/lib/resolvable.js

AWS Cloud Development Kit Core Library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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;
/**
 * Default resolver implementation
 *
 * @experimental
 */
class DefaultTokenResolver {
    constructor(concat) {
        this.concat = concat;
    }
    /**
     * Default Token resolution
     *
     * Resolve the Token, recurse into whatever it returns,
     * then finally post-process it.
     */
    resolveToken(t, context, postProcessor) {
        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) {
        return fragments.mapTokens({ mapToken: context.resolve }).join(this.concat);
    }
    resolveList(xs, context) {
        // 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;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"resolvable.js","sourceRoot":"","sources":["resolvable.ts"],"names":[],"mappings":";;AACA,iDAAiD;AACjD,mDAA+C;AAqG/C;;;;GAIG;AACH,MAAa,YAAY;IAChB,IAAI,CAAC,IAAqB,EAAE,KAAsB;QACvD,IAAI,IAAI,KAAK,SAAS,EAAE;YAAE,OAAO,KAAK,KAAK,SAAS,CAAC,CAAC,CAAC,GAAG,KAAK,EAAE,CAAC,CAAC,CAAC,SAAS,CAAC;SAAE;QAChF,IAAI,KAAK,KAAK,SAAS,EAAE;YAAE,OAAO,GAAG,IAAI,EAAE,CAAC;SAAE;QAC9C,OAAO,GAAG,IAAI,GAAG,KAAK,EAAE,CAAC;IAC3B,CAAC;CACF;AAND,oCAMC;AAED;;;;GAIG;AACH,MAAa,oBAAoB;IAC/B,YAA6B,MAA6B;QAA7B,WAAM,GAAN,MAAM,CAAuB;IAC1D,CAAC;IAED;;;;;OAKG;IACI,YAAY,CAAC,CAAc,EAAE,OAAwB,EAAE,aAA6B;QACzF,IAAI;YACF,IAAI,QAAQ,GAAG,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC;YAElC,yEAAyE;YACzE,QAAQ,GAAG,OAAO,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC;YACrC,QAAQ,GAAG,aAAa,CAAC,WAAW,CAAC,QAAQ,EAAE,OAAO,CAAC,CAAC;YACxD,OAAO,QAAQ,CAAC;SACjB;QAAC,OAAO,CAAC,EAAE;YACV,IAAI,OAAO,GAAG,qBAAqB,CAAC,CAAC,OAAO,GAAG,CAAC;YAChD,IAAI,CAAC,CAAC,aAAa,IAAI,CAAC,CAAC,aAAa,CAAC,MAAM,GAAG,CAAC,EAAE;gBACjD,OAAO,IAAI,kCAAkC,CAAC,CAAC,aAAa,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC;aAChF;YAED,CAAC,CAAC,OAAO,GAAG,OAAO,CAAC;YACpB,MAAM,CAAC,CAAC;SACT;IACH,CAAC;IAED;;OAEG;IACI,aAAa,CAAC,SAAmC,EAAE,OAAwB;QAChF,OAAO,SAAS,CAAC,SAAS,CAAC,EAAE,QAAQ,EAAE,OAAO,CAAC,OAAO,EAAE,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;IAC9E,CAAC;IAEM,WAAW,CAAC,EAAY,EAAE,OAAwB;QACvD,wEAAwE;QACxE,IAAI,EAAE,CAAC,MAAM,KAAK,CAAC,EAAE;YACnB,MAAM,IAAI,KAAK,CAAC,2CAA2C,EAAE,EAAE,CAAC,CAAC;SAClE;QAED,MAAM,GAAG,GAAG,sBAAW,CAAC,YAAY,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;QAC5C,MAAM,QAAQ,GAAG,oBAAQ,CAAC,QAAQ,EAAE,CAAC;QACrC,MAAM,SAAS,GAAG,GAAG,CAAC,KAAK,CAAC,QAAQ,CAAC,WAAW,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC;QACjE,IAAI,SAAS,CAAC,MAAM,KAAK,CAAC,EAAE;YAC1B,MAAM,IAAI,KAAK,CAAC,gEAAgE,EAAE,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC;SAC1F;QAED,OAAO,SAAS,CAAC,SAAS,CAAC,EAAE,QAAQ,EAAE,OAAO,CAAC,OAAO,EAAE,CAAC,CAAC,UAAU,CAAC;IACvE,CAAC;CACF;AAnDD,oDAmDC","sourcesContent":["import { IConstruct } from './construct-compat';\nimport { TokenString } from './private/encoding';\nimport { TokenMap } from './private/token-map';\nimport { TokenizedStringFragments } from './string-fragments';\n\n/**\n * Current resolution context for tokens\n */\nexport interface IResolveContext {\n  /**\n   * The scope from which resolution has been initiated\n   */\n  readonly scope: IConstruct;\n\n  /**\n   * True when we are still preparing, false if we're rendering the final output\n   */\n  readonly preparing: boolean;\n\n  /**\n   * Resolve an inner object\n   */\n  resolve(x: any): any;\n\n  /**\n   * Use this postprocessor after the entire token structure has been resolved\n   */\n  registerPostProcessor(postProcessor: IPostProcessor): void;\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   * If this returns an empty array the stack will not be attached.\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 * @experimental\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 * @experimental\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"]}