@yugu/gogocode
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The simplest tool to parse/transform/generate code on ast
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<h1><a href="../../../index.html">All files</a> / <a href="index.html">gogocode-core/src/js-core</a> parse.js</h1>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const recast = require('recast-yx');
const babelParse = require('@babel/parser');
module.exports = function(code, options) {
options = options || global.parseOptions;
let plugins = ((options && options.plugins) ? options.plugins : [])
.concat([
'plugin-syntax-typescript',
'typescript',
'asyncGenerators',
'bigInt',
'classProperties',
'classPrivateProperties',
'classPrivateMethods',
'doExpressions',
'dynamicImport',
'exportDefaultFrom',
'exportNamespaceFrom',
'functionBind',
'functionSent',
'importMeta',
'logicalAssignment',
'nullishCoalescingOperator',
'numericSeparator',
'objectRestSpread',
'optionalCatchBinding',
'optionalChaining',
'partialApplication',
['pipelineOperator', {'proposal': "smart"}],
'throwExpressions',
'topLevelAwait',
'decorators-legacy',
['@babel/plugin-syntax-decorators','decorators', { decoratorsBeforeExport: true }]
]);
const parseOptions = {
// sourceType: 'module',
allowHashBang: true,
ecmaVersion: Infinity,
allowImportExportEverywhere: true,
allowReturnOutsideFunction: true,
allowAwaitOutsideFunction: true,
allowUndeclaredExports: true,
allowSuperOutsideMethod: true,
startLine: 1,
tokens: true,
...(options || {}),
plugins,
};
return recast.parse(code, {
parser: {
parse(code) {
try {
try {
return babelParse.parse(code, parseOptions);
} catch(e) {
// 是否存在jsx可能导致parse报错,所以在此兼容
<span class="missing-if-branch" title="else path not taken" >E</span>if (parseOptions.plugins) {
const jsxIndex = parseOptions.plugins.indexOf('jsx');
if (jsxIndex == -1) {
parseOptions.plugins.push('jsx');
} else <span class="missing-if-branch" title="else path not taken" >E</span>{
<span class="cstat-no" title="statement not covered" > parseOptions.plugins.splice(jsxIndex, 1)</span>
}
}
return babelParse.parse(code, parseOptions);
}
} catch(e) {
throw Error(e.message)
}
}
}
});
}</pre></td></tr></table></pre>
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Code coverage generated by
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at Fri Jul 22 2022 17:54:17 GMT+0800 (中国标准时间)
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