48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
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/**
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* @typedef {import('./lib/errors.js').ErrnoException} ErrnoException
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*/
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import {defaultResolve} from './lib/resolve.js'
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export {moduleResolve} from './lib/resolve.js'
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/**
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* Match `import.meta.resolve` except that `parent` is required (you can pass
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* `import.meta.url`).
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*
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* @param {string} specifier
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* The module specifier to resolve relative to parent
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* (`/example.js`, `./example.js`, `../example.js`, `some-package`, `fs`,
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* etc).
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* @param {string} parent
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* The absolute parent module URL to resolve from.
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* You must pass `import.meta.url` or something else.
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* @returns {string}
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* Returns a string to a full `file:`, `data:`, or `node:` URL
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* to the found thing.
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*/
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export function resolve(specifier, parent) {
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if (!parent) {
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throw new Error(
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'Please pass `parent`: `import-meta-resolve` cannot ponyfill that'
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)
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}
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try {
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return defaultResolve(specifier, {parentURL: parent}).url
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} catch (error) {
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// See: <https://github.com/nodejs/node/blob/45f5c9b/lib/internal/modules/esm/initialize_import_meta.js#L34>
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const exception = /** @type {ErrnoException} */ (error)
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if (
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(exception.code === 'ERR_UNSUPPORTED_DIR_IMPORT' ||
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exception.code === 'ERR_MODULE_NOT_FOUND') &&
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typeof exception.url === 'string'
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) {
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return exception.url
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}
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throw error
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}
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}
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