87 lines
4.2 KiB
JavaScript
87 lines
4.2 KiB
JavaScript
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.matchFromAbsolutePaths = exports.createMatchPath = void 0;
|
||
|
|
var path = require("path");
|
||
|
|
var Filesystem = require("./filesystem");
|
||
|
|
var MappingEntry = require("./mapping-entry");
|
||
|
|
var TryPath = require("./try-path");
|
||
|
|
/**
|
||
|
|
* Creates a function that can resolve paths according to tsconfig paths property.
|
||
|
|
* @param absoluteBaseUrl Absolute version of baseUrl as specified in tsconfig.
|
||
|
|
* @param paths The paths as specified in tsconfig.
|
||
|
|
* @param mainFields A list of package.json field names to try when resolving module files.
|
||
|
|
* @param addMatchAll Add a match-all "*" rule if none is present
|
||
|
|
* @returns a function that can resolve paths.
|
||
|
|
*/
|
||
|
|
function createMatchPath(absoluteBaseUrl, paths, mainFields, addMatchAll) {
|
||
|
|
if (mainFields === void 0) { mainFields = ["main"]; }
|
||
|
|
if (addMatchAll === void 0) { addMatchAll = true; }
|
||
|
|
var absolutePaths = MappingEntry.getAbsoluteMappingEntries(absoluteBaseUrl, paths, addMatchAll);
|
||
|
|
return function (requestedModule, readJson, fileExists, extensions) {
|
||
|
|
return matchFromAbsolutePaths(absolutePaths, requestedModule, readJson, fileExists, extensions, mainFields);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
exports.createMatchPath = createMatchPath;
|
||
|
|
/**
|
||
|
|
* Finds a path from tsconfig that matches a module load request.
|
||
|
|
* @param absolutePathMappings The paths to try as specified in tsconfig but resolved to absolute form.
|
||
|
|
* @param requestedModule The required module name.
|
||
|
|
* @param readJson Function that can read json from a path (useful for testing).
|
||
|
|
* @param fileExists Function that checks for existence of a file at a path (useful for testing).
|
||
|
|
* @param extensions File extensions to probe for (useful for testing).
|
||
|
|
* @param mainFields A list of package.json field names to try when resolving module files.
|
||
|
|
* @returns the found path, or undefined if no path was found.
|
||
|
|
*/
|
||
|
|
function matchFromAbsolutePaths(absolutePathMappings, requestedModule, readJson, fileExists, extensions, mainFields) {
|
||
|
|
if (readJson === void 0) { readJson = Filesystem.readJsonFromDiskSync; }
|
||
|
|
if (fileExists === void 0) { fileExists = Filesystem.fileExistsSync; }
|
||
|
|
if (extensions === void 0) { extensions = Object.keys(require.extensions); }
|
||
|
|
if (mainFields === void 0) { mainFields = ["main"]; }
|
||
|
|
var tryPaths = TryPath.getPathsToTry(extensions, absolutePathMappings, requestedModule);
|
||
|
|
if (!tryPaths) {
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
return findFirstExistingPath(tryPaths, readJson, fileExists, mainFields);
|
||
|
|
}
|
||
|
|
exports.matchFromAbsolutePaths = matchFromAbsolutePaths;
|
||
|
|
function findFirstExistingMainFieldMappedFile(packageJson, mainFields, packageJsonPath, fileExists) {
|
||
|
|
for (var index = 0; index < mainFields.length; index++) {
|
||
|
|
var mainFieldName = mainFields[index];
|
||
|
|
var candidateMapping = packageJson[mainFieldName];
|
||
|
|
if (candidateMapping && typeof candidateMapping === "string") {
|
||
|
|
var candidateFilePath = path.join(path.dirname(packageJsonPath), candidateMapping);
|
||
|
|
if (fileExists(candidateFilePath)) {
|
||
|
|
return candidateFilePath;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
function findFirstExistingPath(tryPaths, readJson, fileExists, mainFields) {
|
||
|
|
if (readJson === void 0) { readJson = Filesystem.readJsonFromDiskSync; }
|
||
|
|
if (mainFields === void 0) { mainFields = ["main"]; }
|
||
|
|
for (var _i = 0, tryPaths_1 = tryPaths; _i < tryPaths_1.length; _i++) {
|
||
|
|
var tryPath = tryPaths_1[_i];
|
||
|
|
if (tryPath.type === "file" ||
|
||
|
|
tryPath.type === "extension" ||
|
||
|
|
tryPath.type === "index") {
|
||
|
|
if (fileExists(tryPath.path)) {
|
||
|
|
return TryPath.getStrippedPath(tryPath);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (tryPath.type === "package") {
|
||
|
|
var packageJson = readJson(tryPath.path);
|
||
|
|
if (packageJson) {
|
||
|
|
var mainFieldMappedFile = findFirstExistingMainFieldMappedFile(packageJson, mainFields, tryPath.path, fileExists);
|
||
|
|
if (mainFieldMappedFile) {
|
||
|
|
return mainFieldMappedFile;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
TryPath.exhaustiveTypeException(tryPath.type);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=match-path-sync.js.map
|