32 lines
1.3 KiB
JavaScript
32 lines
1.3 KiB
JavaScript
var ts = require('typescript');
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// These are the extension that we should consider when trying to load a module
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var extensions = ['.ts', '.js', '.es6']
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// We need to provide our own version of CompilerHost because, at the moment, there is
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// a mix of `.ts`, `.es6` and `.js` (atScript) files in the project and the TypeScript
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// compiler only looks for `.ts` files when trying to load imports.
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module.exports = function createCompilerHost(log) {
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return function createCompilerHost(options) {
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var host = ts.createCompilerHost(options);
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// Override the `getSourceFile` implementation to also look for js and es6 files
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var getSourceFile = host.getSourceFile;
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host.getSourceFile = function(filename, languageVersion, onError) {
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// Iterate through each possible extension and return the first source file that is actually found
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for(var i=0; i<extensions.length; i++) {
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var extension = extensions[i];
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var altFileName = filename.replace(/\.ts$/, extension);
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log.silly('getSourceFile:', altFileName);
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var sourceFile = getSourceFile.call(host, altFileName, languageVersion, onError);
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if(sourceFile) {
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log.debug('found source file:', altFileName);
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return sourceFile;
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}
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}
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};
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return host;
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};
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}; |