@unibeautify/beautifier-js-beautify/test/options/indentSize.spec.ts

JS-Beautify beautifier for Unibeautify

import { newUnibeautify, Beautifier } from "unibeautify";
import beautifier from "../../src";
// testWithIndentSize(0, true);
testWithIndentSize(1, true);
// testWithIndentSize(2, true);
// testWithIndentSize(0, false);
testWithIndentSize(2, false);
testWithIndentSize(4, false);
function testWithIndentSize(indentSize: number, useTabs: boolean = false) {
  test(`should successfully beautify JavaScript text with indent_size=${indentSize} using ${useTabs ? "tabs" : "spaces"}`, () => {
    const unibeautify = newUnibeautify();
    unibeautify.loadBeautifier(beautifier);
    const indentChar = useTabs ? "\t" : " ";
    const indentStyle = useTabs ? "tab" : "space";
    const indentation = useTabs ? "\t" : indentChar.repeat(indentSize);
    const text = `function test(n){return n+1;}`;
    const beautifierResult = `function test(n) {
${indentation}return n + 1;
}`;
    return unibeautify
      .beautify({
        languageName: "JavaScript",
        options: {
          JavaScript: {
            indent_style: indentStyle,
            indent_size: indentSize,
          }
        },
        text
      })
      .then(results => {
        expect(results).toBe(beautifierResult);
      });
  });
}