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"use strict";
/** @typedef {import("./index.js").MinimizedResult} MinimizedResult */
/** @typedef {import("source-map").RawSourceMap} RawSourceMap */
/** @typedef {import("./index.js").InternalResult} InternalResult */
/** * @template T * @param {import("./index.js").InternalOptions<T>} options * @returns {Promise<InternalResult>} */ const minify = async options => { const minifyFns = Array.isArray(options.minimizer.implementation) ? options.minimizer.implementation : [options.minimizer.implementation]; /** @type {InternalResult} */
const result = { outputs: [], warnings: [], errors: [] }; let needSourceMap = false;
for (let i = 0; i <= minifyFns.length - 1; i++) { const minifyFn = minifyFns[i]; const minifyOptions = Array.isArray(options.minimizer.options) ? options.minimizer.options[i] : options.minimizer.options; const prevResult = result.outputs.length > 0 ? result.outputs[result.outputs.length - 1] : { code: options.input, map: options.inputSourceMap }; const { code, map } = prevResult; // eslint-disable-next-line no-await-in-loop
const minifyResult = await minifyFn({ [options.name]: code }, map, minifyOptions);
if (typeof minifyResult.code !== "string") { throw new Error("minimizer function doesn't return the 'code' property or result is not a string value"); }
if (minifyResult.map) { needSourceMap = true; }
if (minifyResult.errors) { result.errors = result.errors.concat(minifyResult.errors); }
if (minifyResult.warnings) { result.warnings = result.warnings.concat(minifyResult.warnings); }
result.outputs.push({ code: minifyResult.code, map: minifyResult.map }); }
if (!needSourceMap) { result.outputs = [result.outputs[result.outputs.length - 1]]; }
return result; }; /** * @param {string} options * @returns {Promise<InternalResult>} */
async function transform(options) { // 'use strict' => this === undefined (Clean Scope)
// Safer for possible security issues, albeit not critical at all here
// eslint-disable-next-line no-new-func, no-param-reassign
const evaluatedOptions = new Function("exports", "require", "module", "__filename", "__dirname", `'use strict'\nreturn ${options}`)(exports, require, module, __filename, __dirname); return minify(evaluatedOptions); }
module.exports = { minify, transform };
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