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Fix emitcss #59

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Merged
merged 4 commits into from
May 1, 2018
Merged

Fix emitcss #59

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f7e0634
Generate components CSS on virtual files
kaisermann Apr 21, 2018
584469f
Update webpack-virtual-modules to fix error on watch
kaisermann Apr 25, 2018
7e3f749
Replace random number on virtual filenames with ".svelte"
kaisermann Apr 25, 2018
330decd
Only write virtual files if there's a webpack instance initialized. M…
kaisermann Apr 29, 2018
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28 changes: 16 additions & 12 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
const { basename, extname, posix, relative } = require('path');
const { basename, extname, relative } = require('path');
const { compile, preprocess } = require('svelte');
const { getOptions } = require('loader-utils');
const { statSync, utimesSync, writeFileSync } = require('fs');
const { tmpdir } = require('os');
const VirtualModulesPlugin = require('webpack-virtual-modules');

const hotApi = require.resolve('./lib/hot-api.js');
const virtualModules = new VirtualModulesPlugin();

function makeHot(id, code, hotOptions) {
const options = JSON.stringify(hotOptions);
Expand Down Expand Up @@ -107,18 +107,19 @@ module.exports = function(source, map) {
options.preprocess.filename = options.filename;

preprocess(source, options.preprocess).then(processed => {
let { js, css, ast } = normalize(compile(processed.toString(), options));
let { js, css } = normalize(compile(processed.toString(), options));

if (options.emitCss && css.code) {
const posixTmpdir = posixify(tmpdir());
const tmpFile = posix.join(posixTmpdir, 'svelte-' + ast.hash + '.css');

const cssFilepath = options.filename.replace(
/\.[^/.]+$/,
`.svelte.css`
);
css.code += '\n/*# sourceMappingURL=' + css.map.toUrl() + '*/';
js.code = js.code + `\nrequire('${tmpFile}');\n`;

writeFileSync(tmpFile, css.code);
const { atime, mtime } = statSync(tmpFile);
utimesSync(tmpFile, new Date(atime.getTime() - 99999), new Date(mtime.getTime() - 99999));
js.code = js.code + `\nrequire('${cssFilepath}');\n`;
/** If the webpack compiler is initialized, write the file to its vitual file system */
if (this.fs) {
virtualModules.writeModule(cssFilepath, css.code);
}
}

if (options.hotReload && !isProduction && !isServer) {
Expand All @@ -134,3 +135,6 @@ module.exports = function(source, map) {
callback(new Error(`${err.name}: ${err.toString()}`));
});
};

module.exports.plugin = virtualModules;
module.exports.loader = __filename;
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