48 lines
1.5 KiB
JavaScript
Vendored
48 lines
1.5 KiB
JavaScript
Vendored
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module.exports = function (grunt) {
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grunt.registerTask('embedLocales', function () {
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var config = grunt.config('embedLocales');
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var files = grunt.file.expand(config.targetLocales);
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var embeddedContents = determineEmbeddedContent(files);
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var momentContents = grunt.file.read(config.moment);
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var modifiedContents = momentContents.replace('/* EMBED_LOCALES */', function () {
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// If we don't do this, $ symbols in locale files may get interpreted in
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// the regex replacement
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return embeddedContents;
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});
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grunt.file.write(config.dest, modifiedContents);
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});
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var languageReset = 'moment.locale(\'en\');';
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function determineEmbeddedContent(files) {
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var embeddedContent = '';
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files.forEach(function (file) {
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embeddedContent += transformFile(file);
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});
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embeddedContent += '\n ' + languageReset + '\n';
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return embeddedContent;
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}
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var reTransform = /function \(factory\) \{[^]*\}(?=\(function \(moment\) \{)/gm;
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var replaceWith =
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'function (factory) {\n' +
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' factory(moment);\n' +
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'}';
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function transformFile(file) {
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var fileContents = grunt.file.read(file);
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if (!fileContents.match(reTransform)) {
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grunt.warn('Warning: all locale files must use the common UMD wrapper pattern. Failed locale file: ' + file);
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return '';
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}
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return fileContents.replace(reTransform, replaceWith);
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}
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};
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