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utils.js
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import NativeModule from "module";
import path from "path";
function trueFn() {
return true;
}
function findModuleById(compilation, id) {
const { modules, chunkGraph } = compilation;
for (const module of modules) {
const moduleId =
typeof chunkGraph !== "undefined"
? chunkGraph.getModuleId(module)
: module.id;
if (moduleId === id) {
return module;
}
}
return null;
}
function evalModuleCode(loaderContext, code, filename) {
const module = new NativeModule(filename, loaderContext);
module.paths = NativeModule._nodeModulePaths(loaderContext.context); // eslint-disable-line no-underscore-dangle
module.filename = filename;
module._compile(code, filename); // eslint-disable-line no-underscore-dangle
return module.exports;
}
function compareIds(a, b) {
if (typeof a !== typeof b) {
return typeof a < typeof b ? -1 : 1;
}
if (a < b) {
return -1;
}
if (a > b) {
return 1;
}
return 0;
}
function compareModulesByIdentifier(a, b) {
return compareIds(a.identifier(), b.identifier());
}
const MODULE_TYPE = "css/mini-extract";
const AUTO_PUBLIC_PATH = "__mini_css_extract_plugin_public_path_auto__";
const ABSOLUTE_PUBLIC_PATH = "webpack:///mini-css-extract-plugin/";
const SINGLE_DOT_PATH_SEGMENT =
"__mini_css_extract_plugin_single_dot_path_segment__";
function isAbsolutePath(str) {
return path.posix.isAbsolute(str) || path.win32.isAbsolute(str);
}
const RELATIVE_PATH_REGEXP = /^\.\.?[/\\]/;
function isRelativePath(str) {
return RELATIVE_PATH_REGEXP.test(str);
}
function stringifyRequest(loaderContext, request) {
const splitted = request.split("!");
const { context } = loaderContext;
return JSON.stringify(
splitted
.map((part) => {
// First, separate singlePath from query, because the query might contain paths again
const splittedPart = part.match(/^(.*?)(\?.*)/);
const query = splittedPart ? splittedPart[2] : "";
let singlePath = splittedPart ? splittedPart[1] : part;
if (isAbsolutePath(singlePath) && context) {
singlePath = path.relative(context, singlePath);
if (isAbsolutePath(singlePath)) {
// If singlePath still matches an absolute path, singlePath was on a different drive than context.
// In this case, we leave the path platform-specific without replacing any separators.
// @see https://github.com/webpack/loader-utils/pull/14
return singlePath + query;
}
if (isRelativePath(singlePath) === false) {
// Ensure that the relative path starts at least with ./ otherwise it would be a request into the modules directory (like node_modules).
singlePath = `./${singlePath}`;
}
}
return singlePath.replace(/\\/g, "/") + query;
})
.join("!")
);
}
export {
trueFn,
findModuleById,
evalModuleCode,
compareModulesByIdentifier,
MODULE_TYPE,
AUTO_PUBLIC_PATH,
ABSOLUTE_PUBLIC_PATH,
SINGLE_DOT_PATH_SEGMENT,
stringifyRequest,
};