88 lines
2.2 KiB
JavaScript
88 lines
2.2 KiB
JavaScript
import prettier from "../../config/prettier-entry.js";
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const {
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doc: {
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builders: { hardline },
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},
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format,
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} = prettier;
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function makePlugin(withOutdatedApi = false) {
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return {
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parsers: {
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// parsers leak across tests, so the name needs to be unique
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[withOutdatedApi ? "baz-parser-outdated" : "baz-parser"]: {
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parse: (text) => ({
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type: "root",
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lines: text
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.trim()
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.split("\n")
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.map((line) => ({
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type: line.startsWith("{") ? "json" : "plain",
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text: line,
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})),
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}),
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astFormat: "baz-ast",
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},
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},
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printers: {
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"baz-ast": {
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print: (path, options, print) => {
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const { type, text } = path.getValue();
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switch (type) {
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case "root":
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return path.map(print, "lines");
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case "json":
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case "plain":
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return [text, hardline];
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}
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},
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embed: withOutdatedApi
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? (path, print, textToDoc) => {
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const { type, text } = path.getValue();
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if (type === "json") {
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return textToDoc(text, {
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parser: "json",
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printWidth: Number.POSITIVE_INFINITY,
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});
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}
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}
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: (path) => {
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const { type, text } = path.getValue();
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if (type === "json") {
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return (textToDoc) =>
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textToDoc(text, {
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parser: "json",
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printWidth: Number.POSITIVE_INFINITY,
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});
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}
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},
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},
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},
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};
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}
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const input = `abcdef
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{ "foo": "bar"}
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1234`;
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describe("embed API in plugins", () => {
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test("with new signature should work", async () => {
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expect(
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await format(input, {
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plugins: [makePlugin()],
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parser: "baz-parser",
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})
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).toMatchSnapshot();
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});
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test("with outdated signature should cause error", async () => {
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await expect(
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format(input, {
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plugins: [makePlugin(true)],
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parser: "baz-parser-outdated",
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})
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).rejects.toThrowErrorMatchingSnapshot();
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});
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});
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