mirror of https://github.com/sveltejs/svelte
refactor sourcemap and preprocessor tests (#5583)
Co-authored-by: Milan Hauth <milahu@gmail.com>pull/5585/head
halfnelson
4 years ago
committed by
GitHub
parent
65104e8b2a
commit
7c1e6a6ce7
@ -1,73 +1,113 @@
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import * as fs from 'fs';
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import * as path from 'path';
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import * as assert from 'assert';
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import { svelte } from '../helpers';
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import { SourceMapConsumer } from 'source-map';
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import { loadConfig, svelte } from '../helpers';
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// keep source-map at version 0.7.x
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// https://github.com/mozilla/source-map/issues/400
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import { getLocator } from 'locate-character';
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import { SourceMapConsumer } from 'source-map';
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describe('sourcemaps', () => {
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fs.readdirSync(`${__dirname}/samples`).forEach(dir => {
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if (dir[0] === '.') return;
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const config = loadConfig(`${__dirname}/samples/${dir}/_config.js`);
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// add .solo to a sample directory name to only run that test
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const solo = /\.solo/.test(dir);
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const skip = /\.skip/.test(dir);
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const solo = config.solo || /\.solo/.test(dir);
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const skip = config.skip || /\.skip/.test(dir);
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if (solo && process.env.CI) {
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throw new Error('Forgot to remove `solo: true` from test');
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}
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(solo ? it.only : skip ? it.skip : it)(dir, async () => {
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const filename = path.resolve(
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`${__dirname}/samples/${dir}/input.svelte`
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);
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const outputFilename = path.resolve(
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`${__dirname}/samples/${dir}/output`
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);
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const { test } = require(`./samples/${dir}/test.js`);
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const inputFile = path.resolve(`${__dirname}/samples/${dir}/input.svelte`);
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const outputName = '_actual';
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const outputBase = path.resolve(`${__dirname}/samples/${dir}/${outputName}`);
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const inputCode = fs.readFileSync(inputFile, 'utf-8');
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const input = {
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code: inputCode,
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locate: getLocator(inputCode)
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};
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const input = fs.readFileSync(filename, 'utf-8').replace(/\s+$/, '');
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const { js, css } = svelte.compile(input, {
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filename,
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outputFilename: `${outputFilename}.js`,
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cssOutputFilename: `${outputFilename}.css`
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const preprocessed = await svelte.preprocess(
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input.code,
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config.preprocess || {},
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{
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filename: 'input.svelte'
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}
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);
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const { js, css } = svelte.compile(
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preprocessed.code, {
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filename: 'input.svelte',
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// filenames for sourcemaps
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outputFilename: `${outputName}.js`,
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cssOutputFilename: `${outputName}.css`
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});
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const _code = js.code.replace(/Svelte v\d+\.\d+\.\d+/, match => match.replace(/\d/g, 'x'));
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js.code = js.code.replace(
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/generated by Svelte v\d+\.\d+\.\d+/,
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match => match.replace(/\d/g, 'x')
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);
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fs.writeFileSync(`${outputBase}.svelte`, preprocessed.code);
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if (preprocessed.map) {
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fs.writeFileSync(
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`${outputBase}.svelte.map`,
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// TODO encode mappings for output - svelte.preprocess returns decoded mappings
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JSON.stringify(preprocessed.map, null, 2)
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);
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}
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fs.writeFileSync(
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`${outputFilename}.js`,
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`${_code}\n//# sourceMappingURL=output.js.map`
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`${outputBase}.js`,
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`${js.code}\n//# sourceMappingURL=${outputName}.js.map`
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);
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fs.writeFileSync(
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`${outputFilename}.js.map`,
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JSON.stringify(js.map, null, ' ')
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`${outputBase}.js.map`,
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JSON.stringify(js.map, null, 2)
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);
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if (css.code) {
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fs.writeFileSync(
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`${outputFilename}.css`,
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`${css.code}\n/*# sourceMappingURL=output.css.map */`
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`${outputBase}.css`,
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`${css.code}\n/*# sourceMappingURL=${outputName}.css.map */`
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);
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fs.writeFileSync(
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`${outputFilename}.css.map`,
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`${outputBase}.css.map`,
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JSON.stringify(css.map, null, ' ')
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);
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}
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assert.deepEqual(js.map.sources, ['input.svelte']);
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if (css.map) assert.deepEqual(css.map.sources, ['input.svelte']);
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const { test } = require(`./samples/${dir}/test.js`);
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assert.deepEqual(
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js.map.sources.slice().sort(),
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(config.js_map_sources || ['input.svelte']).sort()
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);
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if (css.map) {
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assert.deepEqual(
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css.map.sources.slice().sort(),
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(config.css_map_sources || ['input.svelte']).sort()
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);
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}
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const locateInSource = getLocator(input);
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// use locate_1 with mapConsumer:
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// lines are one-based, columns are zero-based
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const smc = await new SourceMapConsumer(js.map);
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const locateInGenerated = getLocator(_code);
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preprocessed.mapConsumer = preprocessed.map && await new SourceMapConsumer(preprocessed.map);
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preprocessed.locate = getLocator(preprocessed.code);
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preprocessed.locate_1 = getLocator(preprocessed.code, { offsetLine: 1 });
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const smcCss = css.map && await new SourceMapConsumer(css.map);
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const locateInGeneratedCss = getLocator(css.code || '');
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js.mapConsumer = js.map && await new SourceMapConsumer(js.map);
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js.locate = getLocator(js.code);
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js.locate_1 = getLocator(js.code, { offsetLine: 1 });
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test({ assert, code: _code, map: js.map, smc, smcCss, locateInSource, locateInGenerated, locateInGeneratedCss });
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css.mapConsumer = css.map && await new SourceMapConsumer(css.map);
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css.locate = getLocator(css.code || '');
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css.locate_1 = getLocator(css.code || '', { offsetLine: 1 });
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test({ assert, input, preprocessed, js, css });
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});
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});
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});
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@ -1,9 +1,9 @@
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const fs = require( 'fs' );
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const path = require( 'path' );
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const fs = require('fs');
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const path = require('path');
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export function test({ assert, map }) {
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assert.deepEqual( map.sources, [ 'input.svelte' ]);
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assert.deepEqual( map.sourcesContent, [
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fs.readFileSync( path.join( __dirname, 'input.svelte' ), 'utf-8' )
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export function test({ assert, js }) {
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assert.deepEqual(js.map.sources, ['input.svelte']);
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assert.deepEqual(js.map.sourcesContent, [
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fs.readFileSync(path.join(__dirname, 'input.svelte'), 'utf-8')
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]);
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}
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