typescript-docs-verifier/dist/src/LocalImportSubstituter.js

Verifies that typescript examples in markdown files actually compile.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    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;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.LocalImportSubstituter = void 0;
const path = __importStar(require("path"));
class ExportResolver {
    packageName;
    packageMain;
    packageExports;
    constructor(packageName, packageMain, packageExports) {
        if (!packageMain && !packageExports) {
            throw new Error("Failed to find a valid main or exports entry in package.json file");
        }
        this.packageName = packageName;
        this.packageMain = packageMain;
        this.packageExports = packageExports;
    }
    findMatchingExport(path = ".") {
        if (!this.packageExports) {
            throw new Error("No exports defined in package.json");
        }
        if (typeof this.packageExports === "string" && path === ".") {
            return this.packageExports;
        }
        const conditionalExports = this.packageExports;
        const conditionalExportEntry = conditionalExports["node-addons"] ??
            conditionalExports.node ??
            conditionalExports.import ??
            conditionalExports.require ??
            conditionalExports.default;
        if (conditionalExportEntry && path === ".") {
            return conditionalExportEntry;
        }
        const subpathExports = this.packageExports;
        const lookupPath = path === "." ? path : `.${path}`;
        const [matchingExportPath, matchingSubpath] = Object.entries(subpathExports).find(([exportedPath]) => {
            if (lookupPath === exportedPath) {
                return true;
            }
            const [prefix, suffix] = exportedPath.split("*");
            return (exportedPath.includes("*") &&
                lookupPath.startsWith(prefix) &&
                lookupPath.endsWith(suffix || ""));
        }) ?? [];
        if (!matchingExportPath || !matchingSubpath) {
            throw new Error(`Unable to resolve export for path "${this.packageName}${path === "." ? "" : path}"`);
        }
        const [exportPrefix, exportSuffix = ""] = matchingExportPath.split("*");
        const internalPath = lookupPath.substring(exportPrefix.length, lookupPath.length - exportSuffix.length);
        const subpathEntry = typeof matchingSubpath === "string"
            ? matchingSubpath
            : (matchingSubpath["node-addons"] ??
                matchingSubpath.node ??
                matchingSubpath.import ??
                matchingSubpath.require ??
                matchingSubpath.default);
        if (subpathEntry) {
            const [internalPrefix, internalSuffix = ""] = subpathEntry.split("*");
            return `${internalPrefix}${internalPath}${internalSuffix}`;
        }
        throw new Error(`Unable to resolve export for path "${this.packageName}${path === "." ? "" : path}"`);
    }
    resolveExportPath(path) {
        if (!this.packageExports) {
            if (!this.packageMain) {
                throw new Error("Failed to find main or exports entry in package.json");
            }
            return path ?? this.packageMain;
        }
        const matchingExport = this.findMatchingExport(path);
        return matchingExport;
    }
}
class LocalImportSubstituter {
    packageName;
    packageRoot;
    exportResolver;
    constructor(packageDefinition) {
        this.packageName = packageDefinition.name;
        this.packageRoot = packageDefinition.packageRoot;
        this.exportResolver = new ExportResolver(packageDefinition.name, packageDefinition.main, packageDefinition.exports);
    }
    substituteLocalPackageImports(code) {
        const escapedPackageName = this.packageName.replace(/\\/g, "\\/");
        const projectImportRegex = new RegExp(`(from\\s+)?('|")(?:${escapedPackageName})(/[^'"]+)?('|"|)`);
        const codeLines = code.split("\n");
        const localisedLines = codeLines.map((line) => {
            const match = projectImportRegex.exec(line);
            if (!match) {
                return line;
            }
            const { 1: from, 2: openQuote, 3: subPath, 4: closeQuote, index } = match;
            const prefix = line.substring(0, index);
            const resolvedExportPath = this.exportResolver.resolveExportPath(subPath);
            const fullExportPath = path
                .join(this.packageRoot, resolvedExportPath)
                .replace(/\\/g, "\\\\");
            return `${prefix}${from || ""}${openQuote}${fullExportPath}${closeQuote}`;
        });
        return localisedLines.join("\n");
    }
}
exports.LocalImportSubstituter = LocalImportSubstituter;
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