mirror of https://github.com/sveltejs/svelte
Rich Harris
7 years ago
committed by
GitHub
commit
0ebe5355e1
@ -0,0 +1,102 @@
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import { Node, Warning } from './interfaces';
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import Generator from './generators/Generator';
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const now = (typeof process !== 'undefined' && process.hrtime)
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? () => {
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const t = process.hrtime();
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return t[0] * 1e3 + t[1] / 1e6;
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}
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: () => window.performance.now();
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type Timing = {
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label: string;
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start: number;
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end: number;
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children: Timing[];
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}
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function collapseTimings(timings) {
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const result = {};
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timings.forEach(timing => {
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result[timing.label] = Object.assign({
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total: timing.end - timing.start
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}, timing.children && collapseTimings(timing.children));
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});
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return result;
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}
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export default class Stats {
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startTime: number;
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currentTiming: Timing;
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currentChildren: Timing[];
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timings: Timing[];
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stack: Timing[];
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warnings: Warning[];
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constructor() {
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this.startTime = now();
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this.stack = [];
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this.currentChildren = this.timings = [];
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this.warnings = [];
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}
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start(label) {
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const timing = {
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label,
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start: now(),
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end: null,
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children: []
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};
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this.currentChildren.push(timing);
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this.stack.push(timing);
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this.currentTiming = timing;
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this.currentChildren = timing.children;
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}
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stop(label) {
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if (label !== this.currentTiming.label) {
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throw new Error(`Mismatched timing labels`);
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}
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this.currentTiming.end = now();
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this.stack.pop();
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this.currentTiming = this.stack[this.stack.length - 1];
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this.currentChildren = this.currentTiming ? this.currentTiming.children : this.timings;
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}
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render(generator: Generator) {
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const timings = Object.assign({
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total: now() - this.startTime
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}, collapseTimings(this.timings));
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const imports = generator.imports.map(node => {
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return {
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source: node.source.value,
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specifiers: node.specifiers.map(specifier => {
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return {
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name: (
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specifier.type === 'ImportDefaultSpecifier' ? 'default' :
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specifier.type === 'ImportNamespaceSpecifier' ? '*' :
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specifier.imported.name
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),
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as: specifier.local.name
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};
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})
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}
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});
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const hooks: Record<string, boolean> = {};
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if (generator.templateProperties.oncreate) hooks.oncreate = true;
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if (generator.templateProperties.ondestroy) hooks.ondestroy = true;
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return {
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timings,
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warnings: this.warnings,
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imports,
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hooks
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};
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}
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}
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@ -0,0 +1,59 @@
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import * as fs from 'fs';
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import assert from 'assert';
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import { svelte, loadConfig, tryToLoadJson } from '../helpers.js';
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describe('stats', () => {
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fs.readdirSync('test/stats/samples').forEach(dir => {
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if (dir[0] === '.') return;
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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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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, () => {
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const config = loadConfig(`./stats/samples/${dir}/_config.js`);
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const filename = `test/stats/samples/${dir}/input.html`;
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const input = fs.readFileSync(filename, 'utf-8').replace(/\s+$/, '');
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const expectedWarnings =
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tryToLoadJson(`test/stats/samples/${dir}/warnings.json`) || [];
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const expectedError = tryToLoadJson(
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`test/stats/samples/${dir}/error.json`
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);
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let result;
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let error;
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try {
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result = svelte.compile(input, config.options);
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} catch (e) {
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error = e;
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}
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config.test(assert, result.stats);
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if (result.stats.warnings.length || expectedWarnings.length) {
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// TODO check warnings are added to stats.warnings
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}
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if (error || expectedError) {
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if (error && !expectedError) {
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throw error;
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}
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if (expectedError && !error) {
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throw new Error(`Expected an error: ${expectedError.message}`);
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}
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assert.equal(error.message, expectedError.message);
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assert.deepEqual(error.loc, expectedError.loc);
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assert.deepEqual(error.end, expectedError.end);
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assert.equal(error.pos, expectedError.pos);
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}
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});
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});
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});
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@ -0,0 +1,6 @@
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export default {
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test(assert, stats) {
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assert.equal(typeof stats.timings, 'object');
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assert.equal(typeof stats.timings.total, 'number');
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}
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};
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@ -0,0 +1,7 @@
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export default {
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test(assert, stats) {
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assert.deepEqual(stats.hooks, {
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oncreate: true
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});
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}
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};
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@ -0,0 +1,7 @@
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<script>
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export default {
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oncreate() {
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console.log('creating');
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}
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};
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</script>
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@ -0,0 +1,18 @@
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export default {
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test(assert, stats) {
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assert.deepEqual(stats.imports, [
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{
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source: 'x',
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specifiers: [{ name: 'default', as: 'x' }]
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},
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{
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source: 'y',
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specifiers: [{ name: 'y', as: 'y' }]
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},
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{
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source: 'z',
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specifiers: [{ name: '*', as: 'z' }]
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}
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]);
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}
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};
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@ -0,0 +1,5 @@
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<script>
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import x from 'x';
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import { y } from 'y';
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import * as z from 'z';
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</script>
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