How to use the parseModule function from esprima

build.js

GitHub: Autodesk/hig

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 */
function getPackageExportNames(packagePath) {
  const packageMeta = getPackageMeta(packagePath);
  const packageModulePath = path.join(packagePath, packageMeta.module);
  const moduleFileSource = fs.readFileSync(packageModulePath, "utf8");
  const { body } = esprima.parseModule(moduleFileSource);


  return body.reduce((result, statement) => {
    if (statement.type === "ExportDefaultDeclaration") {
      return result.concat(["default"]);

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+ 3 other calls in file

archives.js

GitHub: wuz/archives

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function parseFile(fileName) {
  const file = trimHashbang(fs.readFileSync(fileName, "utf-8"));
  let ast;
  try {
    ast = esprima.parseModule(file, {
      range: true,
      tokens: true,
      comment: true,
      loc: true

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main.js

GitHub: fast-sp-2023/fast

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    }
    nodeIdCounter++;
}
// parse
try {
    var root = esprima.parseModule(sourceCode, {
        loc: true,
        range: true,
        tolerant: true,
        attachComment: true

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+ 6 other calls in file

module1.test.js

GitHub: mecampbell/shoppingGame-DevMtn

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let objectCreateCall;
let ratingClassDecl;
let fieldDeclInRatingCls = false;


try {
    esprima.parseModule(source, {}, function (node) {
        if (node.type == 'VariableDeclarator' &&
            node.id.name == 'player' &&
            node.init.type == 'ObjectExpression') {
            playerDef = node;

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refactor-const.spec.js

GitHub: mikeklotz/https-github.com-mikeklotz-javascript-string-manipulation

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it("should use `const` for `transformLineEnding`, `LineEndings`, and `LineEndingReplacements` @refactor-const", () => {
  // const transformLineEnding = ...

  let foundTransformLineEndingConst = false;

  esprima.parseModule(source, {}, node => {
    if (
      node.type === "VariableDeclaration" &&
      node.declarations.some(
        declaration => declaration.id.name === "transformLineEnding"

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+ 2 other calls in file

refactor-let.spec.js

GitHub: mikeklotz/https-github.com-mikeklotz-javascript-string-manipulation

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it("should replace uses of `var` @refactor-let", () => {
  // let buffer = ...

  let foundLetBuffer = false;

  esprima.parseModule(cliSource, {}, node => {
    if (
      node.type === "VariableDeclaration" &&
      node.declarations.some(
        declaration => declaration.id.name === "buffer"

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+ 3 other calls in file

2.ast.js

GitHub: SHIJIECHN/webpack-demo

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let esprima = require('esprima'); // 把源代码转成抽象语法树
let estraverse = require('estraverse');
let escodegen = require('escodegen');
// 原代码就是ascii字符串
let sourceCode = `function ast(){}`;
let ast = esprima.parseModule(sourceCode); // 生成ast
console.log(ast);


/**
 * 遍历语法树，遍历的方式采用的是深度优先的方式

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