endent/src/test.ts

➡️ An ES6 string tag that makes indentation right

import endent from "./";

test("object", () => {
  var json = JSON.stringify(JSON.parse('[ "abc" ]'), null, 2);

  var someobj = {
    contact: {
      jack: "123456",
      tom: "654321",
    },
    name: "template",
    color: "blue",
    animals: ["bear", "fish", "dog", "cat"],
  };

  var colors = ["red", "pink", "white"];
  var objectName = "someobj";

  var dependencies = ["jquery", "underscore", "bootstrap"];
  var dependencyTmpl = ``;

  dependencies.forEach((d, i) => {
    dependencyTmpl += `var ${d} = require("${d}")\n`;
  });

  var jsFile = endent`
    ${dependencyTmpl}
    module.exports = store

    function store (state, emitter) {
      emitter.on("DOMContentLoaded", function () {
        state["json"] = ${json}
        state["${objectName}"] = ${endent.pretty(someobj)}
        state["colors"] = ${endent.pretty(colors)}
        state["name"] = "${endent.pretty("jack")}"
        state["name2"] = "${"tom"}"
        state["number"] = ${endent.pretty(123)}
        state["number2"] = ${123}
        state["Iamundefined"] = ${endent.pretty()}
        state["Iamnull"] = ${endent.pretty(null)}
        state["Iamregexp"] = ${endent.pretty(/abc/)}
      })
    }
  `;

  expect(jsFile).toEqual(
    `var jquery = require("jquery")
var underscore = require("underscore")
var bootstrap = require("bootstrap")

module.exports = store

function store (state, emitter) {
  emitter.on("DOMContentLoaded", function () {
    state["json"] = [
      "abc"
    ]
    state["someobj"] = {
      "contact": {
        "jack": "123456",
        "tom": "654321"
      },
      "name": "template",
      "color": "blue",
      "animals": [
        "bear",
        "fish",
        "dog",
        "cat"
      ]
    }
    state["colors"] = [
      "red",
      "pink",
      "white"
    ]
    state["name"] = "jack"
    state["name2"] = "tom"
    state["number"] = 123
    state["number2"] = 123
    state["Iamundefined"] = undefined
    state["Iamnull"] = null
    state["Iamregexp"] = /abc/
  })
}`
  );
});

test("string", () => {
  const a = `
hello
  world`;

  const b = endent`
    foo.
    ${a}
    bar.`;

  expect(b).toEqual(
    `foo.

hello
  world
bar.`
  );
});

test("issue#1", () => {
  const a = '"test"';
  const r = endent`
    {
      ${a}: null
    }
  `;
  expect(r).toEqual(`{
  "test": null
}`);
});

test("issue#2", () => {
  const r = endent`
    foo.
    x=${"hello\n  world"}
    bar.
  `;
  expect(r).toEqual(
    `foo.
x=hello
  world
bar.`
  );
});

test("tab", () => {
  expect(endent`foo\tbar`).toEqual("foo\tbar");
});