Marc Mintel
5397309103
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36 lines
1.6 KiB
Plaintext
36 lines
1.6 KiB
Plaintext
import { escapeStringForRegex } from '@sentry/core';
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import * as fs from 'fs';
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import * as path from 'path';
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/**
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* Inject templated code into the beginning of a module.
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*
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* Options:
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* - `templatePrefix`: The XXX in `XXXPrefixLoaderTemplate.ts`, to specify which template to use
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* - `replacements`: An array of tuples of the form `[<placeholder>, <replacementValue>]`, used for doing global
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* string replacement in the template. Note: The replacement is done sequentially, in the order in which the
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* replacement values are given. If any placeholder is a substring of any replacement value besides its own, make
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* sure to order the tuples in such a way as to avoid over-replacement.
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*/
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function prefixLoader( userCode) {
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// We know one or the other will be defined, depending on the version of webpack being used
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const { templatePrefix, replacements } = 'getOptions' in this ? this.getOptions() : this.query;
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const templatePath = path.resolve(__dirname, `../templates/${templatePrefix}PrefixLoaderTemplate.js`);
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// make sure the template is included when running `webpack watch`
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this.addDependency(templatePath);
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// Fill in placeholders
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let templateCode = fs.readFileSync(templatePath).toString();
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replacements.forEach(([placeholder, value]) => {
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// eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor -- user input is escaped
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const placeholderRegex = new RegExp(escapeStringForRegex(placeholder), 'g');
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templateCode = templateCode.replace(placeholderRegex, value);
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});
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return `${templateCode}\n${userCode}`;
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}
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export { prefixLoader as default };
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//# sourceMappingURL=prefixLoader.js.map
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