How to use the parseExpression function from babylon

babel-plugin-di.js

GitHub: erukiti/ast-book-sample

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  if (t.isIdentifier(nodePath.node.id)) {
    const replaceCode =
      state.replacers[`${kind} ${nodePath.node.id.name} =`]
    if (replaceCode) {
      const newAst = parseExpression(replaceCode)
      nodePath.get('init').replaceWith(newAst)
    }
  }
},

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graphql-tag.js

GitHub: cronfoundation/cronium-tracker

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const path = require('path');


const debug = createDebug('babel-plugin-graphql-tag');


// eslint-disable-next-line no-restricted-syntax
const uniqueFn = parseExpression(`
  (definitions) => {
    const names = {};
    return definitions.filter(definition => {
      if (definition.kind !== 'FragmentDefinition') {

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index.js

GitHub: aladham1/maan

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}
lastSrc = src;
lastConstants = constants;
var ast;
try {
    ast = babylon_1.parseExpression(src, options);
}
catch (ex) {
    return (lastWasConstant = false);
}

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+ 3 other calls in file

parser.js

GitHub: NaturalDragon/study

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let ast = babylon.parse(sourceCode, {
  sourceType: 'module',
  plugins: ['jsx']
});
let a = babylon.parseExpression(sourceCode, {
  sourceType: 'module',
  plugins: ['jsx']
})
console.log(ast)

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+ 2 other calls in file

lib.js

GitHub: dbrudner/object-parse-transform

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		}"${i === path.node.properties.length - 1 ? "" : ","}`;
	},
	""
);

const newNode = babylon.parseExpression(
	`JSON.parse({${stringifiedObject}})`
);

// This is an infinite loop that needs to be fixed

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util.js

GitHub: chenliang2016/Specs

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const ASSET_REGISTRY_PATH = 'react-native/Libraries/Image/AssetRegistry';


function generateAssetCodeFileAst(assetDescriptor: AssetDescriptor): Object {
  const properDescriptor = filterObject(assetDescriptor, assetPropertyBlacklist);
  const descriptorAst = babylon.parseExpression(JSON.stringify(properDescriptor));
  const t = babel.types;
  const moduleExports = t.memberExpression(t.identifier('module'), t.identifier('exports'));
  const requireCall =
    t.callExpression(t.identifier('require'), [t.stringLiteral(ASSET_REGISTRY_PATH)]);

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