@modern-js/module-tools
Version:
Simple, powerful, high-performance modern npm package development solution.
90 lines (89 loc) • 3.72 kB
JavaScript
;
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var write_file_exports = {};
__export(write_file_exports, {
writeFile: () => writeFile
});
module.exports = __toCommonJS(write_file_exports);
var import_path = __toESM(require("path"));
var import_utils = require("@modern-js/utils");
var import_convert_source_map = __toESM(require("convert-source-map"));
const SOURCE_MAPPING_URL = "sourceMappingURL";
let preOutputChunk = null;
function appendSourceMapURLLink(options) {
return `${options.code}
//# ${SOURCE_MAPPING_URL}=${options.filename}.map`;
}
function appendSourceMapInline(options) {
return `${options.code}
//# ${SOURCE_MAPPING_URL}=data:application/json;charset=utf-8;base64,${options.map}`;
}
function chunkHasChanged(key, chunk) {
if (preOutputChunk) {
const preChunk = preOutputChunk.get(key);
if (preChunk && preChunk.contents === chunk.contents) {
return false;
}
}
return true;
}
const writeFile = async (compiler) => {
for (const [key, value] of compiler.outputChunk.entries()) {
if (!chunkHasChanged(key, value)) {
continue;
}
const absPath = import_path.default.resolve(compiler.config.outDir, key);
await import_utils.fs.ensureDir(import_path.default.dirname(absPath));
if (value.type === "chunk" && value.map) {
if (compiler.config.sourceMap === false || compiler.config.sourceMap === "external") {
await import_utils.fs.writeFile(absPath, value.contents);
} else if (compiler.config.sourceMap === true) {
await import_utils.fs.writeFile(absPath, appendSourceMapURLLink({
code: value.contents,
filename: import_path.default.basename(absPath)
}));
} else if (compiler.config.sourceMap === "inline") {
await import_utils.fs.writeFile(absPath, appendSourceMapInline({
code: value.contents,
map: import_convert_source_map.default.fromObject(value.map).toBase64()
}));
}
if (compiler.config.sourceMap === true || compiler.config.sourceMap === "external") {
await import_utils.fs.writeFile(`${absPath}.map`, JSON.stringify(value.map));
}
} else {
await import_utils.fs.writeFile(absPath, value.contents);
}
}
preOutputChunk = compiler.outputChunk;
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
writeFile
});