37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
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import { parseNpmName } from "../core/util.js";
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async function detectImportSource(code, jsxRenderers, tsConfig) {
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var _a;
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let importSource = detectImportSourceFromComments(code);
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if (!importSource && /import/.test(code)) {
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importSource = await detectImportSourceFromImports(code, jsxRenderers);
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}
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if (!importSource && tsConfig) {
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importSource = (_a = tsConfig.compilerOptions) == null ? void 0 : _a.jsxImportSource;
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}
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return importSource;
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}
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const importsRE = /(?<!\/\/.*)(?<=^|;|\*\/)\s*(?:import(?!\s+type)(?:[\w*{}\n\r\t, ]+from)?\s*("[^"]+"|'[^']+')\s*(?=$|;|\/\/|\/\*)|import\s*\(\s*("[^"]+"|'[^']+')\s*\))/gm;
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async function detectImportSourceFromImports(code, jsxRenderers) {
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let m;
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importsRE.lastIndex = 0;
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while ((m = importsRE.exec(code)) != null) {
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const spec = (m[1] || m[2]).slice(1, -1);
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const pkg = parseNpmName(spec);
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if (pkg && jsxRenderers.has(pkg.name)) {
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return pkg.name;
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}
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}
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}
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function detectImportSourceFromComments(code) {
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const multiline = code.match(/\/\*\*?[\S\s]*\*\//gm) || [];
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for (const comment of multiline) {
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const [, lib] = comment.slice(0, -2).match(/@jsxImportSource\s*(\S+)/) || [];
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if (lib) {
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return lib.trim();
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}
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}
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}
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export {
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detectImportSource
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};
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