snowpack
Version:
The ESM-powered frontend build tool. Fast, lightweight, unbundled.
83 lines (82 loc) • 3.27 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUrlsForFile = exports.getMountEntryForFile = exports.getBuiltFileUrls = exports.getUrlsForFileMount = void 0;
const path_1 = __importDefault(require("path"));
const slash_1 = __importDefault(require("slash"));
const util_1 = require("../util");
const import_css_1 = require("./import-css");
/**
* Map a file path to the hosted URL for a given "mount" entry.
*/
function getUrlsForFileMount({ fileLoc, mountKey, mountEntry, config, }) {
const resolvedDirUrl = mountEntry.url === '/' ? '' : mountEntry.url;
const mountedUrl = fileLoc.replace(mountKey, resolvedDirUrl).replace(/[/\\]+/g, '/');
if (mountEntry.static) {
return [mountedUrl];
}
return getBuiltFileUrls(mountedUrl, config);
}
exports.getUrlsForFileMount = getUrlsForFileMount;
/**
* Map a file path to the hosted URL for a given "mount" entry.
*/
function getBuiltFileUrls(filepath, config) {
const fileName = path_1.default.basename(filepath);
const extensionMatch = util_1.getExtensionMatch(fileName, config._extensionMap);
if (!extensionMatch) {
// CSS Modules require a special .json mapping here
if (import_css_1.needsCSSModules(filepath)) {
return [filepath, filepath + '.json'];
}
// Otherwise, return only the requested file
return [filepath];
}
const [inputExt, outputExts] = extensionMatch;
return outputExts.map((outputExt) => {
if (outputExts.length > 1) {
return util_1.addExtension(filepath, outputExt);
}
else {
return util_1.replaceExtension(filepath, inputExt, outputExt);
}
});
}
exports.getBuiltFileUrls = getBuiltFileUrls;
/**
* Get the final, hosted URL path for a given file on disk.
*/
function getMountEntryForFile(fileLoc, config) {
// PERF: Use `for...in` here instead of the slower `Object.entries()` method
// that we use everywhere else, since this function can get called 100s of
// times during a build.
for (const mountKey in config.mount) {
if (!config.mount.hasOwnProperty(mountKey)) {
continue;
}
if (!fileLoc.startsWith(mountKey + path_1.default.sep)) {
continue;
}
return [mountKey, config.mount[mountKey]];
}
return null;
}
exports.getMountEntryForFile = getMountEntryForFile;
/**
* Get the final, hosted URL path for a given file on disk.
*/
function getUrlsForFile(fileLoc, config) {
const mountEntryResult = getMountEntryForFile(fileLoc, config);
if (!mountEntryResult) {
if (!config.workspaceRoot) {
return undefined;
}
const builtEntrypointUrls = getBuiltFileUrls(fileLoc, config);
return builtEntrypointUrls.map((u) => path_1.default.posix.join(config.buildOptions.metaUrlPath, 'link', slash_1.default(path_1.default.relative(config.workspaceRoot, u))));
}
const [mountKey, mountEntry] = mountEntryResult;
return getUrlsForFileMount({ fileLoc, mountKey, mountEntry, config });
}
exports.getUrlsForFile = getUrlsForFile;