126 lines
3.5 KiB
JavaScript
126 lines
3.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.run = run;
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function _traverse() {
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const data = _interopRequireDefault(require("@babel/traverse"));
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_traverse = function () {
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return data;
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};
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return data;
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}
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var _pluginPass = _interopRequireDefault(require("./plugin-pass"));
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var _blockHoistPlugin = _interopRequireDefault(require("./block-hoist-plugin"));
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var _normalizeOpts = _interopRequireDefault(require("./normalize-opts"));
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var _normalizeFile = _interopRequireDefault(require("./normalize-file"));
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var _generate = _interopRequireDefault(require("./file/generate"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function* run(config, code, ast) {
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const file = yield* (0, _normalizeFile.default)(config.passes, (0, _normalizeOpts.default)(config), code, ast);
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const opts = file.opts;
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try {
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yield* transformFile(file, config.passes);
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} catch (e) {
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var _opts$filename;
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e.message = `${(_opts$filename = opts.filename) != null ? _opts$filename : "unknown"}: ${e.message}`;
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if (!e.code) {
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e.code = "BABEL_TRANSFORM_ERROR";
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}
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throw e;
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}
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let outputCode, outputMap;
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try {
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if (opts.code !== false) {
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({
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outputCode,
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outputMap
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} = (0, _generate.default)(config.passes, file));
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}
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} catch (e) {
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var _opts$filename2;
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e.message = `${(_opts$filename2 = opts.filename) != null ? _opts$filename2 : "unknown"}: ${e.message}`;
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if (!e.code) {
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e.code = "BABEL_GENERATE_ERROR";
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}
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throw e;
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}
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return {
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metadata: file.metadata,
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options: opts,
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ast: opts.ast === true ? file.ast : null,
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code: outputCode === undefined ? null : outputCode,
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map: outputMap === undefined ? null : outputMap,
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sourceType: file.ast.program.sourceType
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};
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}
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function* transformFile(file, pluginPasses) {
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for (const pluginPairs of pluginPasses) {
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const passPairs = [];
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const passes = [];
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const visitors = [];
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for (const plugin of pluginPairs.concat([(0, _blockHoistPlugin.default)()])) {
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const pass = new _pluginPass.default(file, plugin.key, plugin.options);
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passPairs.push([plugin, pass]);
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passes.push(pass);
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visitors.push(plugin.visitor);
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}
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for (const [plugin, pass] of passPairs) {
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const fn = plugin.pre;
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if (fn) {
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const result = fn.call(pass, file);
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yield* [];
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if (isThenable(result)) {
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throw new Error(`You appear to be using an plugin with an async .pre, ` + `which your current version of Babel does not support. ` + `If you're using a published plugin, you may need to upgrade ` + `your @babel/core version.`);
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}
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}
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}
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const visitor = _traverse().default.visitors.merge(visitors, passes, file.opts.wrapPluginVisitorMethod);
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(0, _traverse().default)(file.ast, visitor, file.scope);
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for (const [plugin, pass] of passPairs) {
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const fn = plugin.post;
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if (fn) {
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const result = fn.call(pass, file);
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yield* [];
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if (isThenable(result)) {
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throw new Error(`You appear to be using an plugin with an async .post, ` + `which your current version of Babel does not support. ` + `If you're using a published plugin, you may need to upgrade ` + `your @babel/core version.`);
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}
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}
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}
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}
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}
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function isThenable(val) {
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return !!val && (typeof val === "object" || typeof val === "function") && !!val.then && typeof val.then === "function";
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} |