babel-plugin-transform-not-strict/spec/spec.js

Remove 'use strict' if the file is 'not strict'

const pluginTester = require('babel-plugin-tester').default

const transformNotStrict = require('../src/index.js')

pluginTester({
  plugin: transformNotStrict,
  filename: __filename,
  tests: [
    {
      code: '"not strict"; "use strict";',
      output:'"not strict";',
    },
    {
      code: '"not strict";',
      output:'"not strict";',
    },
    {
      code: '"use strict";',
      output: '"use strict";',
    },
    {
      code: '"use strict"; "not strict";',
      output:'"not strict";',
    },
    {
      code: `
      "use strict";
      "not strict";

      process.platform = "windows";
      `,
      output: `
      "not strict";

      process.platform = "windows";`,
    },
    {
      code: `
      "use strict";
      "not strict";

      let x = 1;
      `,
      output: `
      "not strict";

      let x = 1;`,
    },

    // With removeAll option
    {
      code: '"not strict"; "use strict";',
      output:`
      "not strict";
      "not strict";`,
      pluginOptions: {
        removeAll: true,
      },
    },
    {
      code: '"not strict";',
      output:'"not strict";',
      pluginOptions: {
        removeAll: true,
      },
    },
    {
      code: '"use strict";',
      output: '"not strict";',
      pluginOptions: {
        removeAll: true,
      },
    },
    {
      code: `
      "use strict";

      process.platform = "windows";
      `,
      output: `
      "not strict";

      process.platform = "windows";`,
      pluginOptions: {
        removeAll: true,
      },
    },
    {
      code: `
      "use strict";

      let x = 1;
      `,
      output: `
      "not strict";

      let x = 1;`,
      pluginOptions: {
        removeAll: true,
      },
    },

    // with extra comment and directive triggers
    {
      code: `
      "use strict";
      "use babel";
      `,
      output: `
      "use babel";
      `,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      "use babel";
      "use strict";
      `,
      output: `
      "use babel";
      `,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      "use strict";
      /** @babel */
      let x = 1;
      `,
      output: `
      /** @babel */
      let x = 1;
      `,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      "use strict";
      // @babel
      let x = 1;
      `,
      output: `
      // @babel
      let x = 1;
      `,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      "use strict";
      // @flow
      let x = 1;
      `,
      output: `
      // @flow
      let x = 1;
      `,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      // @flow
      "use strict";
      `,
      output: ``,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      // @babel
      // @flow
      "use strict";
      `,
      output: ``,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
    {
      code: `
      // @babel
      "use strict";
      // @flow
      `,
      output: `
      `,
      pluginOptions: {
        directiveTriggers: ['use babel'],
        commentTriggers: ['@babel', '@flow', '* @babel', '* @flow'],
      },
    },
  ]
})