wishthis/node_modules/less/lib/less-node/file-manager.js
2023-08-17 11:47:40 +02:00

139 lines
No EOL
6 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var path_1 = tslib_1.__importDefault(require("path"));
var fs_1 = tslib_1.__importDefault(require("./fs"));
var abstract_file_manager_js_1 = tslib_1.__importDefault(require("../less/environment/abstract-file-manager.js"));
var FileManager = function () { };
FileManager.prototype = Object.assign(new abstract_file_manager_js_1.default(), {
supports: function () {
return true;
},
supportsSync: function () {
return true;
},
loadFile: function (filename, currentDirectory, options, environment, callback) {
var fullFilename;
var isAbsoluteFilename = this.isPathAbsolute(filename);
var filenamesTried = [];
var self = this;
var prefix = filename.slice(0, 1);
var explicit = prefix === '.' || prefix === '/';
var result = null;
var isNodeModule = false;
var npmPrefix = 'npm://';
options = options || {};
var paths = isAbsoluteFilename ? [''] : [currentDirectory];
if (options.paths) {
paths.push.apply(paths, options.paths);
}
if (!isAbsoluteFilename && paths.indexOf('.') === -1) {
paths.push('.');
}
var prefixes = options.prefixes || [''];
var fileParts = this.extractUrlParts(filename);
if (options.syncImport) {
getFileData(returnData, returnData);
if (callback) {
callback(result.error, result);
}
else {
return result;
}
}
else {
// promise is guaranteed to be asyncronous
// which helps as it allows the file handle
// to be closed before it continues with the next file
return new Promise(getFileData);
}
function returnData(data) {
if (!data.filename) {
result = { error: data };
}
else {
result = data;
}
}
function getFileData(fulfill, reject) {
(function tryPathIndex(i) {
function tryWithExtension() {
var extFilename = options.ext ? self.tryAppendExtension(fullFilename, options.ext) : fullFilename;
if (extFilename !== fullFilename && !explicit && paths[i] === '.') {
try {
fullFilename = require.resolve(extFilename);
isNodeModule = true;
}
catch (e) {
filenamesTried.push(npmPrefix + extFilename);
fullFilename = extFilename;
}
}
else {
fullFilename = extFilename;
}
}
if (i < paths.length) {
(function tryPrefix(j) {
if (j < prefixes.length) {
isNodeModule = false;
fullFilename = fileParts.rawPath + prefixes[j] + fileParts.filename;
if (paths[i]) {
fullFilename = path_1.default.join(paths[i], fullFilename);
}
if (!explicit && paths[i] === '.') {
try {
fullFilename = require.resolve(fullFilename);
isNodeModule = true;
}
catch (e) {
filenamesTried.push(npmPrefix + fullFilename);
tryWithExtension();
}
}
else {
tryWithExtension();
}
var readFileArgs = [fullFilename];
if (!options.rawBuffer) {
readFileArgs.push('utf-8');
}
if (options.syncImport) {
try {
var data = fs_1.default.readFileSync.apply(this, readFileArgs);
fulfill({ contents: data, filename: fullFilename });
}
catch (e) {
filenamesTried.push(isNodeModule ? npmPrefix + fullFilename : fullFilename);
return tryPrefix(j + 1);
}
}
else {
readFileArgs.push(function (e, data) {
if (e) {
filenamesTried.push(isNodeModule ? npmPrefix + fullFilename : fullFilename);
return tryPrefix(j + 1);
}
fulfill({ contents: data, filename: fullFilename });
});
fs_1.default.readFile.apply(this, readFileArgs);
}
}
else {
tryPathIndex(i + 1);
}
})(0);
}
else {
reject({ type: 'File', message: "'" + filename + "' wasn't found. Tried - " + filenamesTried.join(',') });
}
}(0));
}
},
loadFileSync: function (filename, currentDirectory, options, environment) {
options.syncImport = true;
return this.loadFile(filename, currentDirectory, options, environment);
}
});
exports.default = FileManager;
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