How to use the isImportSpecifier function from babel-types

Find comprehensive JavaScript babel-types.isImportSpecifier code examples handpicked from public code repositorys.

Babel%E6%8F%92%E4%BB%B6%E4%B9%8B%E6%8C%89%E9%9C%80%E5%8A%A0%E8%BD%BD%E5%8A%9F%E8%83%BD%E5%AE%9E%E7%8E%B0.md?plain=1

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const libraryName = source.value;
/**
 * 第二个判断条件是判断import语句里面有没有使用 import {xxx} 的语法，如果有，就替换
 * 不加这个条件的后果就是，死循环
 */
if (libraryName === ref.opts.libraryName && specifiers.find(specifier => type.isImportSpecifier(specifier))) {
  const declarationNodes = [];
  specifiers.forEach(specifier => {
    /** 不是默认导入的
     *  为什么要这么判断，因为可能会有这种写法，import React, { Component } from 'react';

+ 9 other calls in file

rn.js

GitHub: MorningBells/taro

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  if (!specifiers.length) {
    astPath.remove()
  }
} else if (value === PACKAGES['@tarojs/redux']) {
  const specifier = specifiers.find(item => {
    return t.isImportSpecifier(item) && item.imported.name === providerComponentName
  })
  if (specifier) {
    providorImportName = specifier.local.name
  } else {

index.js

GitHub: astrocean/taro-cli-2.0.6

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    }
    source.value = '@tarojs/taro-h5';
}
else if (source.value === '@tarojs/redux') {
    const specifier = specifiers.find(item => {
        return t.isImportSpecifier(item) && item.imported.name === constants_2.providerComponentName;
    });
    if (specifier) {
        providerImportName = specifier.local.name;
    }

+ 23 other calls in file

transformJS.js

GitHub: astrocean/taro-cli-2.0.6

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        astPath.remove();
    }
}
else if (value === PACKAGES['@tarojs/redux']) {
    const specifier = specifiers.find(item => {
        return t.isImportSpecifier(item) && item.imported.name === providerComponentName;
    });
    if (specifier) {
        providorImportName = specifier.local.name;
    }

+ 13 other calls in file

babel-plugin-import.js

GitHub: zhouatie/front-end

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module.exports = function () {
  return {
    visitor: {
      ImportDeclaration(path,state={opts}) {
        console.log(path.node.specifiers, '-----------', t.isImportSpecifier(path.node.specifiers[0]));
        if (state.opts.library === 'lodash' && t.isImportSpecifier(path.node.specifiers[0])) {
          const specifiers = path.node.specifiers.map(o => {
            return t.importDeclaration([t.ImportDefaultSpecifier(o.local)], t.stringLiteral(`${state.opts.library}/${o.local.name}`))
          })
          console.log(Array.isArray(specifiers), 'arry')

index.js

GitHub: hatiolab/generator-things

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const types = require('babel-types');
const generate = require('babel-generator').default;

const isImportDeclaration = path => 
  types.isImportDeclaration(path.node) ||
  types.isImportSpecifier(path.parent) ||
  types.isImportDeclaration(path.parent) ||
  types.isImportSpecifier(path.parent) ||
  types.isImportDefaultSpecifier(path.parent);

+ 3 other calls in file

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