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37 lines
1.0 KiB
37 lines
1.0 KiB
4 years ago
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/*jshint node: true */
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var inserted,
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Module = require('module'),
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fs = require('fs'),
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existingExtFn = Module._extensions['.js'],
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amdefineRegExp = /amdefine\.js/;
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inserted = "if (typeof define !== 'function') {var define = require('amdefine')(module)}";
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//From the node/lib/module.js source:
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function stripBOM(content) {
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// Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
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// because the buffer-to-string conversion in `fs.readFileSync()`
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// translates it to FEFF, the UTF-16 BOM.
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if (content.charCodeAt(0) === 0xFEFF) {
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content = content.slice(1);
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}
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return content;
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}
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//Also adapted from the node/lib/module.js source:
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function intercept(module, filename) {
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var content = stripBOM(fs.readFileSync(filename, 'utf8'));
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if (!amdefineRegExp.test(module.id)) {
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content = inserted + content;
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}
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module._compile(content, filename);
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}
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intercept._id = 'amdefine/intercept';
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if (!existingExtFn._id || existingExtFn._id !== intercept._id) {
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Module._extensions['.js'] = intercept;
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}
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