105 lines
2.7 KiB
JavaScript
105 lines
2.7 KiB
JavaScript
var fs = require('fs')
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, map = require('map-stream')
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, nodeSass = require('node-sass')
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, path = require('path')
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, gutil = require('gulp-util')
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, clone = require('clone')
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, ext = gutil.replaceExtension
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, applySourceMap = require('vinyl-sourcemaps-apply')
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;
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module.exports = function (options) {
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function sass (file, cb) {
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var opts = options ? clone(options) : {};
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var fileDir = path.dirname(file.path);
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if (file.isNull()) {
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return cb(null, file);
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}
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if (path.basename(file.path).indexOf('_') === 0) {
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return cb();
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}
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if (file.sourceMap) {
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opts.sourceMap = file.path;
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}
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opts.data = file.contents.toString();
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opts.file = file.path;
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if (opts.includePaths && Array.isArray(opts.includePaths)) {
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if (opts.includePaths.indexOf(fileDir) === -1) {
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opts.includePaths.push(fileDir);
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}
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} else {
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opts.includePaths = [fileDir];
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}
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opts.success = function (obj) {
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if (typeof opts.onSuccess === 'function') opts.onSuccess(obj);
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if (obj.map && typeof obj.map === 'string') {
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// hack to remove the already added sourceMappingURL from libsass
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obj.css = obj.css.replace(/\/\*#\s*sourceMappingURL\=.*\*\//, '');
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// libsass gives us sources' paths relative to file;
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// gulp-sourcemaps needs sources' paths relative to file.base;
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// so alter the sources' paths to please gulp-sourcemaps.
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obj.map = JSON.parse(obj.map);
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if (obj.map.sources) {
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obj.map.sources = obj.map.sources.map(function(source) {
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var abs = path.resolve(path.dirname(file.path), source);
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return path.relative(file.base, abs);
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});
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obj.map = JSON.stringify(obj.map);
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applySourceMap(file, obj.map);
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}
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}
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handleOutput(obj, file, cb);
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};
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opts.error = function (err) {
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if (opts.errLogToConsole) {
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gutil.log('[gulp-sass] ' + err.message + ' on line ' + err.line + ' in ' + err.file);
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return cb();
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}
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if (typeof opts.onError === 'function') {
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opts.onError(err);
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return cb();
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}
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err.lineNumber = err.line;
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err.fileName = err.file;
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return cb(new gutil.PluginError('gulp-sass', err));
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};
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if ( opts.sync ) {
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try {
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var output = nodeSass.renderSync(opts);
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opts.success(output);
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handleOutput(output, file, cb);
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} catch(err) {
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opts.error(err);
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}
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} else {
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nodeSass.render(opts);
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}
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}
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return map(sass);
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};
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function handleOutput(output, file, cb) {
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file.path = ext(file.path, '.css');
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file.contents = new Buffer(output.css);
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cb(null, file);
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}
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