78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
import path from "node:path";
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import url from "node:url";
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import transformCode from "../../scripts/build/transform/index.js";
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const file = url.fileURLToPath(
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new URL("../../src/__dummy.js", import.meta.url),
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);
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const shimsDirectory = url.fileURLToPath(
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new URL("../../scripts/build/shims", import.meta.url),
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);
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const transform = (code) =>
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transformCode(code, file).replaceAll(
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JSON.stringify(shimsDirectory + path.sep).slice(1, -1),
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"<SHIMS>/",
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);
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test("Object.hasOwn", () => {
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expect(transform("Object.hasOwn(foo, bar)")).toMatchInlineSnapshot(
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`"Object.prototype.hasOwnProperty.call(foo, bar);"`,
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);
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});
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test(".at", () => {
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expect(transform("foo.at(-1)")).toMatchInlineSnapshot(`
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"import __at from "<SHIMS>/at.js";
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__at( /* isOptionalObject */false, foo, -1);"
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`);
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expect(transform("foo?.at(-1)")).toMatchInlineSnapshot(`
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"import __at from "<SHIMS>/at.js";
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__at( /* isOptionalObject */true, foo, -1);"
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`);
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expect(transform("foo?.bar.baz.at(-1)")).toMatchInlineSnapshot(`
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"import __at from "<SHIMS>/at.js";
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__at( /* isOptionalObject */true, foo?.bar.baz, -1);"
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`);
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expect(transform("foo.at(-1)?.bar")).toMatchInlineSnapshot(`
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"import __at from "<SHIMS>/at.js";
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__at( /* isOptionalObject */false, foo, -1)?.bar;"
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`);
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// Don't support optional call
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expect(transform("foo.at?.(-1)")).toMatchInlineSnapshot(`"foo.at?.(-1)"`);
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});
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test("String#replaceAll", () => {
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expect(transform("foo.replaceAll('a', 'b')")).toMatchInlineSnapshot(`
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"import __stringReplaceAll from "<SHIMS>/string-replace-all.js";
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__stringReplaceAll( /* isOptionalObject */false, foo, 'a', 'b');"
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`);
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});
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test("Array#findLast", () => {
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expect(transform("foo.findLast(callback)")).toMatchInlineSnapshot(`
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"import __arrayFindLast from "<SHIMS>/array-find-last.js";
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__arrayFindLast( /* isOptionalObject */false, foo, callback);"
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`);
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expect(transform("foo?.findLast(callback)")).toMatchInlineSnapshot(`
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"import __arrayFindLast from "<SHIMS>/array-find-last.js";
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__arrayFindLast( /* isOptionalObject */true, foo, callback);"
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`);
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// Don't support
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expect(
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transform("foo.findLast(callback, thisArgument)"),
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).toMatchInlineSnapshot(`"foo.findLast(callback, thisArgument)"`);
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});
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