45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
"use strict";
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const {
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parse,
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formatAST,
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formatDoc,
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printToDoc,
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printDocToString,
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} = require("prettier-local").__debug;
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const { outdent } = require("outdent");
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const code = outdent`
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const foo = 'bar'
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`;
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const formatted = 'const foo = "bar";\n';
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const options = { parser: "babel", originalText: code };
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describe("API", () => {
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const { ast } = parse(code, options);
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test("prettier.parse", () => {
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expect(Array.isArray(ast.program.body)).toBe(true);
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});
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const { formatted: formatResultFromAST } = formatAST(ast, options);
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test("prettier.formatAST", () => {
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expect(formatResultFromAST).toBe(formatted);
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});
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const doc = printToDoc(code, options);
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test("prettier.printToDoc", () => {
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expect(doc.type).toBe("concat");
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expect(Array.isArray(doc.parts)).toBe(true);
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});
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const formatResultFromDoc = formatDoc(doc, options);
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test("prettier.formatDoc", () => {
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expect(formatResultFromDoc).toMatchSnapshot();
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});
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const { formatted: stringFromDoc } = printDocToString(doc, options);
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test("prettier.printDocToString", () => {
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expect(stringFromDoc).toBe(formatted);
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});
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});
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