59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
"use strict";
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const prettier = require("prettier-local");
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const { outdent } = require("outdent");
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const docPrinter = prettier.doc.printer;
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const docBuilders = prettier.doc.builders;
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const { printDocToString } = docPrinter;
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const { concat, line, trim, group, indent } = docBuilders;
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// These tests don't use `runPrettier` because `trim` is not used by any
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// bundled parser (only third-party plugins).
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describe("trim", () => {
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test.each([
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["trims the current line", group(concat(["hello ", trim])), "hello"],
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[
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"trims existing indentation",
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group(
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concat([
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"function()",
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line,
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"{",
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indent(
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concat([
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line,
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group(concat([trim, "#if DEBUG"])),
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line,
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"alert(42);",
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line,
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group(concat([trim, "#endif"])),
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])
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),
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line,
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"}",
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])
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),
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outdent`
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function()
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{
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#if DEBUG
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alert(42);
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#endif
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}
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`,
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],
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[
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"ignores trimmed characters when fitting the line",
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group(concat(["hello ", " ", trim, line, "world!"])),
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"hello world!",
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],
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])("%s", (_, doc, expected) => {
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const result = printDocToString(doc, { printWidth: 12, tabWidth: 2 });
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expect(result).toBeDefined();
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expect(result.formatted).toEqual(expected);
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});
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});
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