Marc Mintel
5397309103
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37 lines
1.7 KiB
Plaintext
37 lines
1.7 KiB
Plaintext
// We need to be careful not to inject anything before any `"use strict";`s or "use client"s or really any other directive.
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// As an additional complication directives may come after any number of comments.
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// This regex is shamelessly stolen from: https://github.com/getsentry/sentry-javascript-bundler-plugins/blob/7f984482c73e4284e8b12a08dfedf23b5a82f0af/packages/bundler-plugin-core/src/index.ts#L535-L539
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const SKIP_COMMENT_AND_DIRECTIVE_REGEX =
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// Note: CodeQL complains that this regex potentially has n^2 runtime. This likely won't affect realistic files.
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new RegExp('^(?:\\s*|/\\*(?:.|\\r|\\n)*?\\*/|//.*[\\n\\r])*(?:"[^"]*";?|\'[^\']*\';?)?');
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/**
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* Set values on the global/window object at the start of a module.
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*
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* Options:
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* - `values`: An object where the keys correspond to the keys of the global values to set and the values
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* correspond to the values of the values on the global object. Values must be JSON serializable.
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*/
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function valueInjectionLoader( 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 { values } = 'getOptions' in this ? this.getOptions() : this.query;
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// We do not want to cache injected values across builds
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this.cacheable(false);
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// Not putting any newlines in the generated code will decrease the likelihood of sourcemaps breaking
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const injectedCode =
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// eslint-disable-next-line prefer-template
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';' +
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Object.entries(values)
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.map(([key, value]) => `globalThis["${key}"] = ${JSON.stringify(value)};`)
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.join('');
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return userCode.replace(SKIP_COMMENT_AND_DIRECTIVE_REGEX, match => {
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return match + injectedCode;
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});
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}
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export { valueInjectionLoader as default };
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//# sourceMappingURL=valueInjectionLoader.js.map
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