workflow: sfc playground
This commit is contained in:
Evan You
57
packages/sfc-playground/src/output/Output.vue
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57
packages/sfc-playground/src/output/Output.vue
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@@ -0,0 +1,57 @@
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<template>
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<div class="tab-buttons">
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<button v-for="m of modes" :class="{ active: mode === m }" @click="mode = m">{{ m }}</button>
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</div>
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<div class="output-container">
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<Preview v-if="mode === 'preview'" :code="store.compiled.executed" />
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<CodeMirror
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v-else
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readonly
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:mode="mode === 'css' ? 'css' : 'javascript'"
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:value="store.compiled[mode]"
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/>
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</div>
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</template>
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<script setup lang="ts">
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import Preview from './Preview.vue'
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import CodeMirror from '../codemirror/CodeMirror.vue'
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import { store } from '../store'
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import { ref } from 'vue'
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type Modes = 'preview' | 'executed' | 'js' | 'css' | 'template'
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const modes: Modes[] = ['preview', 'js', 'css', 'template', 'executed']
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const mode = ref<Modes>('preview')
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</script>
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<style scoped>
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.output-container {
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height: calc(100% - 35px);
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overflow: hidden;
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position: relative;
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}
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.tab-buttons {
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box-sizing: border-box;
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border-bottom: 1px solid #ddd;
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}
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.tab-buttons button {
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margin: 0;
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font-size: 13px;
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font-family: 'Source Code Pro', monospace;
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border: none;
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outline: none;
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background-color: #f8f8f8;
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padding: 8px 16px 6px;
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text-transform: uppercase;
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cursor: pointer;
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color: #999;
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box-sizing: border-box;
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}
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button.active {
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color: #42b983;
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border-bottom: 3px solid #42b983;
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}
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</style>
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108
packages/sfc-playground/src/output/Preview.vue
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108
packages/sfc-playground/src/output/Preview.vue
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@@ -0,0 +1,108 @@
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<template>
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<iframe
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id="preview"
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ref="iframe"
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sandbox="allow-forms allow-modals allow-pointer-lock allow-popups allow-same-origin allow-scripts allow-top-navigation-by-user-activation"
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:srcdoc="srcdoc"
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></iframe>
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<Message :err="runtimeError" />
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<Message v-if="!runtimeError" :warn="runtimeWarning" />
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</template>
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<script setup lang="ts">
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import Message from '../Message.vue'
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import { ref, onMounted, onUnmounted, watchEffect, defineProps } from 'vue'
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import srcdoc from './srcdoc.html?raw'
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import { PreviewProxy } from './PreviewProxy'
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import { sandboxVueURL } from '../store'
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const props = defineProps<{ code: string }>()
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const iframe = ref()
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const runtimeError = ref()
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const runtimeWarning = ref()
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let proxy: PreviewProxy
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async function updatePreview() {
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if (!props.code?.trim()) {
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return
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}
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try {
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proxy.eval(`
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${props.code}
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if (window.vueApp) {
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window.vueApp.unmount()
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}
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const container = document.getElementById('app')
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container.innerHTML = ''
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import { createApp as _createApp } from "${sandboxVueURL}"
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const app = window.vueApp = _createApp(__comp)
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app.config.errorHandler = e => console.error(e)
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app.mount(container)
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`)
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} catch (e) {
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runtimeError.value = e.message
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return
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}
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runtimeError.value = null
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runtimeWarning.value = null
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}
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onMounted(() => {
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proxy = new PreviewProxy(iframe.value, {
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on_fetch_progress: (progress: any) => {
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// pending_imports = progress;
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},
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on_error: (event: any) => {
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// push_logs({ level: 'error', args: [event.value] });
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runtimeError.value = event.value
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},
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on_unhandled_rejection: (event: any) => {
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let error = event.value
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if (typeof error === 'string') error = { message: error }
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runtimeError.value = 'Uncaught (in promise): ' + error.message
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},
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on_console: (log: any) => {
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if (log.level === 'error') {
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runtimeError.value = log.args.join('')
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} else if (log.level === 'warn') {
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if (log.args[0].toString().includes('[Vue warn]')) {
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runtimeWarning.value = log.args.join('').replace(/\[Vue warn\]:/, '').trim()
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}
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}
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},
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on_console_group: (action: any) => {
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// group_logs(action.label, false);
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},
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on_console_group_end: () => {
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// ungroup_logs();
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},
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on_console_group_collapsed: (action: any) => {
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// group_logs(action.label, true);
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}
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})
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iframe.value.addEventListener('load', () => {
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proxy.handle_links();
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watchEffect(updatePreview)
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});
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})
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onUnmounted(() => {
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proxy.destroy()
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})
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</script>
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<style>
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iframe {
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width: 100%;
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height: 100%;
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border: none;
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background-color: #fff;
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}
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</style>
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96
packages/sfc-playground/src/output/PreviewProxy.ts
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96
packages/sfc-playground/src/output/PreviewProxy.ts
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@@ -0,0 +1,96 @@
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// ReplProxy and srcdoc implementation from Svelte REPL
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// MIT License https://github.com/sveltejs/svelte-repl/blob/master/LICENSE
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let uid = 1
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export class PreviewProxy {
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iframe: HTMLIFrameElement
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handlers: Record<string, Function>
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pending_cmds: Map<
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number,
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{ resolve: (value: unknown) => void; reject: (reason?: any) => void }
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>
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handle_event: (e: any) => void
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constructor(iframe: HTMLIFrameElement, handlers: Record<string, Function>) {
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this.iframe = iframe
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this.handlers = handlers
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this.pending_cmds = new Map()
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this.handle_event = e => this.handle_repl_message(e)
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window.addEventListener('message', this.handle_event, false)
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}
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destroy() {
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window.removeEventListener('message', this.handle_event)
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}
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iframe_command(action: string, args: any) {
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return new Promise((resolve, reject) => {
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const cmd_id = uid++
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this.pending_cmds.set(cmd_id, { resolve, reject })
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this.iframe.contentWindow!.postMessage({ action, cmd_id, args }, '*')
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})
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}
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handle_command_message(cmd_data: any) {
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let action = cmd_data.action
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let id = cmd_data.cmd_id
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let handler = this.pending_cmds.get(id)
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if (handler) {
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this.pending_cmds.delete(id)
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if (action === 'cmd_error') {
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let { message, stack } = cmd_data
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let e = new Error(message)
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e.stack = stack
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handler.reject(e)
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}
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if (action === 'cmd_ok') {
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handler.resolve(cmd_data.args)
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}
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} else {
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console.error('command not found', id, cmd_data, [
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...this.pending_cmds.keys()
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])
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}
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}
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handle_repl_message(event: any) {
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if (event.source !== this.iframe.contentWindow) return
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const { action, args } = event.data
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switch (action) {
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case 'cmd_error':
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case 'cmd_ok':
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return this.handle_command_message(event.data)
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case 'fetch_progress':
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return this.handlers.on_fetch_progress(args.remaining)
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case 'error':
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return this.handlers.on_error(event.data)
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case 'unhandledrejection':
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return this.handlers.on_unhandled_rejection(event.data)
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case 'console':
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return this.handlers.on_console(event.data)
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case 'console_group':
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return this.handlers.on_console_group(event.data)
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case 'console_group_collapsed':
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return this.handlers.on_console_group_collapsed(event.data)
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case 'console_group_end':
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return this.handlers.on_console_group_end(event.data)
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}
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}
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eval(script: string) {
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return this.iframe_command('eval', { script })
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}
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handle_links() {
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return this.iframe_command('catch_clicks', {})
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}
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}
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201
packages/sfc-playground/src/output/srcdoc.html
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201
packages/sfc-playground/src/output/srcdoc.html
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@@ -0,0 +1,201 @@
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<!doctype html>
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<html>
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<head>
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<style>
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
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Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
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}
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</style>
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<style id="__sfc-styles"></style>
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<script>
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(function(){
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let scriptEl
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function handle_message(ev) {
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let { action, cmd_id } = ev.data;
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const send_message = (payload) => parent.postMessage( { ...payload }, ev.origin);
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const send_reply = (payload) => send_message({ ...payload, cmd_id });
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const send_ok = () => send_reply({ action: 'cmd_ok' });
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const send_error = (message, stack) => send_reply({ action: 'cmd_error', message, stack });
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if (action === 'eval') {
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try {
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if (scriptEl) {
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document.head.removeChild(scriptEl)
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}
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scriptEl = document.createElement('script')
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scriptEl.setAttribute('type', 'module')
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scriptEl.innerHTML = ev.data.args.script
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document.head.appendChild(scriptEl)
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send_ok();
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} catch (e) {
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send_error(e.message, e.stack);
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}
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}
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if (action === 'catch_clicks') {
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try {
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const top_origin = ev.origin;
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document.body.addEventListener('click', event => {
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if (event.which !== 1) return;
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if (event.metaKey || event.ctrlKey || event.shiftKey) return;
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if (event.defaultPrevented) return;
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// ensure target is a link
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let el = event.target;
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while (el && el.nodeName !== 'A') el = el.parentNode;
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if (!el || el.nodeName !== 'A') return;
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if (el.hasAttribute('download') || el.getAttribute('rel') === 'external' || el.target) return;
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event.preventDefault();
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if (el.href.startsWith(top_origin)) {
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const url = new URL(el.href);
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if (url.hash[0] === '#') {
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window.location.hash = url.hash;
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return;
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}
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}
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window.open(el.href, '_blank');
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});
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send_ok();
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} catch(e) {
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send_error(e.message, e.stack);
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}
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}
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}
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window.addEventListener('message', handle_message, false);
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window.onerror = function (msg, url, lineNo, columnNo, error) {
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parent.postMessage({ action: 'error', value: error }, '*');
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}
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window.addEventListener("unhandledrejection", event => {
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parent.postMessage({ action: 'unhandledrejection', value: event.reason }, '*');
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});
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}).call(this);
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let previous = { level: null, args: null };
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['clear', 'log', 'info', 'dir', 'warn', 'error', 'table'].forEach((level) => {
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const original = console[level];
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console[level] = (...args) => {
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if (String(args[0]).includes('You are running a development build of Vue')) {
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return
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}
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const stringifiedArgs = stringify(args);
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if (
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previous.level === level &&
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previous.args &&
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previous.args === stringifiedArgs
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) {
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parent.postMessage({ action: 'console', level, duplicate: true }, '*');
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} else {
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previous = { level, args: stringifiedArgs };
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try {
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parent.postMessage({ action: 'console', level, args }, '*');
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} catch (err) {
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parent.postMessage({ action: 'console', level: 'unclonable' }, '*');
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}
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}
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original(...args);
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}
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});
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[
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{ method: 'group', action: 'console_group' },
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{ method: 'groupEnd', action: 'console_group_end' },
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{ method: 'groupCollapsed', action: 'console_group_collapsed' },
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].forEach((group_action) => {
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const original = console[group_action.method];
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console[group_action.method] = (label) => {
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parent.postMessage({ action: group_action.action, label }, '*');
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original(label);
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};
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});
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const timers = new Map();
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const original_time = console.time;
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const original_timelog = console.timeLog;
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const original_timeend = console.timeEnd;
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console.time = (label = 'default') => {
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original_time(label);
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timers.set(label, performance.now());
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}
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console.timeLog = (label = 'default') => {
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original_timelog(label);
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const now = performance.now();
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if (timers.has(label)) {
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parent.postMessage({ action: 'console', level: 'system-log', args: [`${label}: ${now - timers.get(label)}ms`] }, '*');
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} else {
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parent.postMessage({ action: 'console', level: 'system-warn', args: [`Timer '${label}' does not exist`] }, '*');
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}
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}
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console.timeEnd = (label = 'default') => {
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original_timeend(label);
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const now = performance.now();
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if (timers.has(label)) {
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parent.postMessage({ action: 'console', level: 'system-log', args: [`${label}: ${now - timers.get(label)}ms`] }, '*');
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} else {
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parent.postMessage({ action: 'console', level: 'system-warn', args: [`Timer '${label}' does not exist`] }, '*');
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}
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timers.delete(label);
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};
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const original_assert = console.assert;
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console.assert = (condition, ...args) => {
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if (condition) {
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const stack = new Error().stack;
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parent.postMessage({ action: 'console', level: 'assert', args, stack }, '*');
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}
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original_assert(condition, ...args);
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};
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const counter = new Map();
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const original_count = console.count;
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const original_countreset = console.countReset;
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console.count = (label = 'default') => {
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counter.set(label, (counter.get(label) || 0) + 1);
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parent.postMessage({ action: 'console', level: 'system-log', args: `${label}: ${counter.get(label)}` }, '*');
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original_count(label);
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};
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console.countReset = (label = 'default') => {
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if (counter.has(label)) {
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counter.set(label, 0);
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} else {
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parent.postMessage({ action: 'console', level: 'system-warn', args: `Count for '${label}' does not exist` }, '*');
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}
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original_countreset(label);
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};
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const original_trace = console.trace;
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console.trace = (...args) => {
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const stack = new Error().stack;
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parent.postMessage({ action: 'console', level: 'trace', args, stack }, '*');
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original_trace(...args);
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};
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function stringify(args) {
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try {
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return JSON.stringify(args);
|
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} catch (error) {
|
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return null;
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}
|
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}
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</script>
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</head>
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<body>
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<div id="app"></div>
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</body>
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</html>
|
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Reference in New Issue
Block a user