jsii-docgen/lib/docgen/view/assembly.js

generates api docs for jsii modules

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.bestAssemblyMatch = bestAssemblyMatch;
exports.discoverAssemblies = discoverAssemblies;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const zlib = __importStar(require("zlib"));
const spec_1 = require("@jsii/spec");
const fg = __importStar(require("fast-glob"));
const semver = __importStar(require("semver"));
const errors_1 = require("../../errors");
;
/**
 * Given an AssemblyLookup map and an assembly name + version constraint,
 * returns the best possible match.
 *
 * This is not a strict semver implementation, instead the following algorithm is used:
 *   1. the highest (latest) version matching the semver constraint
 *   2. a matching major version, even if constraint doesn't match (this will use the lowest major version of the constraint)
 *   3. the highest available version of the dependency regardless of constraint
 *
 * @param assemblies a map of assembly identifier to name, version and path
 * @param constraint the assembly name and version to match
 *
 * @returns the best matching assembly info or undefined if no match was found
 */
function bestAssemblyMatch(assemblies, constraint) {
    const lastAtIndex = constraint.lastIndexOf('@');
    const name = lastAtIndex === -1 ? constraint : constraint.substring(0, lastAtIndex);
    const versionConstraint = lastAtIndex === -1 ? undefined : constraint.substring(lastAtIndex + 1);
    const candidates = Object.values(assemblies).filter(a => a.name === name);
    if (candidates.length === 0) {
        // `assemblies` is a view on top of the installation directory,
        // it should contain the assembly.
        throw new errors_1.CorruptedAssemblyError(`Unable to locate assembly for dependency: ${constraint}`);
    }
    candidates.sort((a, b) => semver.rcompare(a.version, b.version) || 0);
    if (!versionConstraint) {
        return candidates[0];
    }
    // 1. Try semver constraint match
    const semverMatch = candidates.find(a => {
        try {
            return semver.satisfies(a.version, versionConstraint);
        }
        catch {
            return false;
        }
    });
    if (semverMatch) {
        return semverMatch;
    }
    // 2. Try major version match
    const targetVersion = semver.valid(versionConstraint) || semver.minVersion(versionConstraint);
    if (targetVersion) {
        const constraintMajor = semver.major(targetVersion);
        const majorMatch = candidates.find(a => {
            try {
                return semver.major(a.version) === constraintMajor;
            }
            catch {
                return false;
            }
        });
        if (majorMatch) {
            return majorMatch;
        }
    }
    // 3. Return highest version regardless of constraint
    return candidates[0];
}
/**
 * Search a directory for jsii assemblies and return a map of assembly identifier to name, version and path.
 */
function discoverAssemblies(searchDir) {
    // searchDir might include backslashes on Windows.
    // The glob pattern must only used forward slashes, so we pass the assembliesDir as CWD which does not have this restriction
    const discovered = fg.sync(`**/${spec_1.SPEC_FILE_NAME}`, {
        cwd: path.normalize(searchDir),
        absolute: true,
    });
    const assemblies = {};
    for (let dotJsii of discovered) {
        const info = getAssemblyInfoFromFile(dotJsii);
        assemblies[`${info.name}@${info.version}`] = { ...info };
    }
    return assemblies;
}
/**
 * Opens the assembly file to get the assemblies name and,
 * if present, follows instructions found in the file to unzip compressed assemblies.
 *
 * @param pathToFile the path to the SPEC_FILE_NAME file
 * @returns the assembly name
 */
function getAssemblyInfoFromFile(pathToFile) {
    const data = fs.readFileSync(pathToFile);
    try {
        const readFile = (filename) => fs.readFileSync(path.resolve(pathToFile, '..', filename));
        let contents = JSON.parse(data.toString('utf-8'));
        // check if the file holds instructions to the actual assembly file
        while ((0, spec_1.isAssemblyRedirect)(contents)) {
            contents = followRedirect(contents, readFile);
        }
        return {
            name: contents.name,
            version: contents.version,
            path: pathToFile,
        };
    }
    catch (e) {
        throw new Error(`Error loading assembly from file ${pathToFile}:\n${e}`);
    }
}
function followRedirect(assemblyRedirect, readFile) {
    // Validating the schema, this is cheap (the schema is small).
    (0, spec_1.validateAssemblyRedirect)(assemblyRedirect);
    let data = readFile(assemblyRedirect.filename);
    switch (assemblyRedirect.compression) {
        case 'gzip':
            data = zlib.gunzipSync(data);
            break;
        case undefined:
            break;
        default:
            throw new Error(`Unsupported compression algorithm: ${JSON.stringify(assemblyRedirect.compression)}`);
    }
    const json = data.toString('utf-8');
    return JSON.parse(json);
}
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* as fs from 'fs';\nimport * as path from 'path';\nimport * as zlib from 'zlib';\nimport { AssemblyRedirect, isAssemblyRedirect, SPEC_FILE_NAME, validateAssemblyRedirect } from '@jsii/spec';\nimport * as fg from 'fast-glob';\nimport { Assembly } from 'jsii-reflect';\nimport * as semver from 'semver';\nimport { CorruptedAssemblyError } from '../../errors';\n\nexport interface AssemblyInfo {\n  readonly name: string;\n  readonly version: string;\n  readonly path: string;\n};\n\nexport type AssemblyLookup = Record<string, AssemblyInfo>;\n\n/**\n * Given an AssemblyLookup map and an assembly name + version constraint,\n * returns the best possible match.\n *\n * This is not a strict semver implementation, instead the following algorithm is used:\n *   1. the highest (latest) version matching the semver constraint\n *   2. a matching major version, even if constraint doesn't match (this will use the lowest major version of the constraint)\n *   3. the highest available version of the dependency regardless of constraint\n *\n * @param assemblies a map of assembly identifier to name, version and path\n * @param constraint the assembly name and version to match\n *\n * @returns the best matching assembly info or undefined if no match was found\n */\nexport function bestAssemblyMatch(assemblies: AssemblyLookup, constraint: string): AssemblyInfo {\n  const lastAtIndex = constraint.lastIndexOf('@');\n  const name = lastAtIndex === -1 ? constraint : constraint.substring(0, lastAtIndex);\n  const versionConstraint = lastAtIndex === -1 ? undefined : constraint.substring(lastAtIndex + 1);\n  const candidates = Object.values(assemblies).filter(a => a.name === name);\n\n  if (candidates.length === 0) {\n    // `assemblies` is a view on top of the installation directory,\n    // it should contain the assembly.\n    throw new CorruptedAssemblyError(`Unable to locate assembly for dependency: ${constraint}`);\n  }\n\n  candidates.sort((a, b) => semver.rcompare(a.version, b.version) || 0);\n\n  if (!versionConstraint) {\n    return candidates[0];\n  }\n\n  // 1. Try semver constraint match\n  const semverMatch = candidates.find(a => {\n    try {\n      return semver.satisfies(a.version, versionConstraint);\n    } catch {\n      return false;\n    }\n  });\n  if (semverMatch) {\n    return semverMatch;\n  }\n\n  // 2. Try major version match\n  const targetVersion = semver.valid(versionConstraint) || semver.minVersion(versionConstraint);\n  if (targetVersion) {\n    const constraintMajor = semver.major(targetVersion);\n    const majorMatch = candidates.find(a => {\n      try {\n        return semver.major(a.version) === constraintMajor;\n      } catch {\n        return false;\n      }\n    });\n    if (majorMatch) {\n      return majorMatch;\n    }\n  }\n\n  // 3. Return highest version regardless of constraint\n  return candidates[0];\n}\n\n/**\n * Search a directory for jsii assemblies and return a map of assembly identifier to name, version and path.\n */\nexport function discoverAssemblies(searchDir: string): AssemblyLookup {\n  // searchDir might include backslashes on Windows.\n  // The glob pattern must only used forward slashes, so we pass the assembliesDir as CWD which does not have this restriction\n  const discovered = fg.sync(`**/${SPEC_FILE_NAME}`, {\n    cwd: path.normalize(searchDir),\n    absolute: true,\n  });\n\n  const assemblies: AssemblyLookup = {};\n  for (let dotJsii of discovered) {\n    const info = getAssemblyInfoFromFile(dotJsii);\n    assemblies[`${info.name}@${info.version}`] = { ...info };\n  }\n\n  return assemblies;\n}\n\n/**\n * Opens the assembly file to get the assemblies name and,\n * if present, follows instructions found in the file to unzip compressed assemblies.\n *\n * @param pathToFile the path to the SPEC_FILE_NAME file\n * @returns the assembly name\n */\nfunction getAssemblyInfoFromFile(pathToFile: string): AssemblyInfo {\n  const data = fs.readFileSync(pathToFile);\n  try {\n    const readFile = (filename: string) => fs.readFileSync(path.resolve(pathToFile, '..', filename));\n    let contents = JSON.parse(data.toString('utf-8'));\n\n    // check if the file holds instructions to the actual assembly file\n    while (isAssemblyRedirect(contents)) {\n      contents = followRedirect(contents, readFile);\n    }\n\n    return {\n      name: (contents as Assembly).name,\n      version: (contents as Assembly).version,\n      path: pathToFile,\n    };\n  } catch (e: any) {\n    throw new Error(`Error loading assembly from file ${pathToFile}:\\n${e}`);\n  }\n}\n\nfunction followRedirect(\n  assemblyRedirect: AssemblyRedirect,\n  readFile: (filename: string) => Buffer,\n) {\n  // Validating the schema, this is cheap (the schema is small).\n  validateAssemblyRedirect(assemblyRedirect);\n\n  let data = readFile(assemblyRedirect.filename);\n  switch (assemblyRedirect.compression) {\n    case 'gzip':\n      data = zlib.gunzipSync(data);\n      break;\n    case undefined:\n      break;\n    default:\n      throw new Error(\n        `Unsupported compression algorithm: ${JSON.stringify(\n          assemblyRedirect.compression,\n        )}`,\n      );\n  }\n  const json = data.toString('utf-8');\n  return JSON.parse(json);\n}\n"]}