551 lines
15 KiB
Vue
551 lines
15 KiB
Vue
<template>
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<main class="w-full min-w-0 max-w-full space-y-6">
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<div class="flex flex-col gap-4 xl:flex-row xl:items-start xl:justify-between">
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<div class="flex min-w-0 items-start gap-3">
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<span
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class="inline-flex size-11 shrink-0 items-center justify-center rounded-md border border-default bg-elevated/70 text-primary"
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>
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<UIcon
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name="i-lucide-file-text"
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:class="[
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'size-5 transition-colors',
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loading ? 'text-info' : 'animate-pulse text-success',
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]"
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:title="loading ? 'Loading history' : 'Live stream active'"
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:aria-label="loading ? 'Loading history' : 'Live stream active'"
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/>
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</span>
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<div class="min-w-0 space-y-2">
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<div
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class="flex flex-wrap items-center gap-2 text-xs font-medium uppercase tracking-[0.2em] text-toned"
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>
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<span>{{ pageShell.sectionLabel }}</span>
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<span>/</span>
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<span>{{ pageShell.pageLabel }}</span>
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</div>
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<p class="max-w-3xl text-sm text-toned">{{ pageShell.description }}</p>
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</div>
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</div>
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<div class="flex min-w-0 flex-wrap items-center justify-end gap-2 xl:justify-end">
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<UButton
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v-if="!autoScroll"
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color="neutral"
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variant="outline"
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size="sm"
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icon="i-lucide-arrow-down"
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@click="scrollToBottom(false)"
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>
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Bottom
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</UButton>
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<UButton
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color="neutral"
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:variant="toggleFilter ? 'soft' : 'outline'"
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size="sm"
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icon="i-lucide-filter"
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@click="toggleFilter = !toggleFilter"
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>
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Filter
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</UButton>
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<UButton
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color="neutral"
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:variant="textWrap ? 'soft' : 'outline'"
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size="sm"
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icon="i-lucide-wrap-text"
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:aria-pressed="textWrap"
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:title="textWrap ? 'Text wrap enabled' : 'Text wrap disabled'"
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:class="['transition-all', textWrap ? '-translate-y-px ring ring-default shadow-xs' : '']"
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@click="textWrap = !textWrap"
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>
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Wrap
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</UButton>
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<UInput
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v-if="toggleFilter || query"
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id="filter"
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v-model.lazy="query"
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type="search"
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placeholder="Filter displayed content"
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icon="i-lucide-filter"
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size="sm"
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class="order-last w-full sm:order-first sm:w-80"
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/>
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</div>
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</div>
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<UPageCard variant="naked" :ui="pageCardUi">
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<template #body>
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<div class="overflow-hidden rounded-sm border border-default bg-default shadow-sm">
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<div
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ref="logContainer"
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class="w-full min-w-0 max-w-full min-h-[55vh] max-h-[60vh] overflow-x-auto overflow-y-auto bg-transparent font-mono text-sm text-default overscroll-x-contain"
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@scroll.passive="handleScroll"
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>
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<div
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v-if="reachedEnd && !hasActiveFilter"
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class="flex justify-center border-b border-default/40 px-4 py-3"
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>
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<div
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class="inline-flex items-center gap-1.5 rounded-full border border-warning/30 bg-warning/10 px-3 py-1 text-[11px] font-medium text-warning"
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>
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<UIcon name="i-lucide-triangle-alert" class="size-3.5 shrink-0" />
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No older lines remain in this file.
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</div>
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</div>
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<template v-if="filteredLogs.length > 0">
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<article
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v-for="(entry, index) in filteredLogs"
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:key="entry.log.id"
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:class="logRowClass(entry, index)"
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>
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<div
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:class="[
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'flex min-w-0 flex-1 items-start gap-[0.65rem] px-3 py-[0.65rem] leading-[1.6]',
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textWrap ? 'w-full' : 'w-max min-w-full',
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]"
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>
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<span
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:class="[
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'mt-[0.45rem] inline-flex size-2 shrink-0 rounded-full',
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logLevelDotClass(entry.level),
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]"
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/>
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<p :class="logLineClass(entry.level)">
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<span
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class="mr-2 inline text-[11px] font-semibold text-toned cursor-pointer"
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:title="logTimeTitle(entry.log.datetime)"
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>
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{{ logTimeLabel(entry.log.datetime) }}
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</span>
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{{ entry.log.line }}
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</p>
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</div>
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</article>
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</template>
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<div
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v-else
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class="flex min-h-[55vh] flex-col items-center justify-center gap-3 px-6 py-8 text-center font-sans"
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>
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<UIcon
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:name="query ? 'i-lucide-filter-x' : 'i-lucide-circle-off'"
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class="size-6 text-toned"
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/>
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<div class="space-y-1">
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<p class="text-sm font-medium text-default">
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{{ query ? 'No logs match this query' : 'No log lines available' }}
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</p>
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<p class="text-sm text-toned">
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{{
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query
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? `No log lines found for the query: ${query}. Please try a different search term.`
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: 'No log lines are available yet.'
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}}
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</p>
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</div>
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</div>
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</div>
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</div>
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</template>
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</UPageCard>
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</main>
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</template>
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<script setup lang="ts">
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import { fetchEventSource } from '@microsoft/fetch-event-source';
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import type { EventSourceMessage } from '@microsoft/fetch-event-source';
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import moment from 'moment';
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import { useStorage } from '@vueuse/core';
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import type { log_line } from '~/types/logs';
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import { parse_api_error, request, uri } from '~/utils';
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import { requirePageShell } from '~/utils/topLevelNavigation';
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type FilteredLogEntry = {
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log: log_line;
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level: LogLevel;
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isMatch: boolean;
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isContext: boolean;
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};
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type LogLevel = 'debug' | 'info' | 'warning' | 'error';
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const FILTER_CONTEXT_REGEX = /context:(\d+)/;
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const LOG_LEVEL_PREFIX =
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/^\s*(?:\[(debug|info|warning|warn|error|critical|fatal)(?:[.\]])|(debug|info|warning|warn|error|critical|fatal)\b(?::|\s|-))/i;
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const LOG_ROW_CLASS =
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'flex min-w-0 border-b border-default/40 bg-transparent transition-colors duration-150 last:border-b-0 hover:bg-elevated/70';
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const LOG_LEVEL_DOT_CLASS: Record<LogLevel, string> = {
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debug: 'bg-muted',
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info: 'bg-info',
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warning: 'bg-warning',
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error: 'bg-error',
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};
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const LOG_LEVEL_TEXT_CLASS: Record<LogLevel, string> = {
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debug: 'text-toned',
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info: 'text-info',
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warning: 'text-warning',
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error: 'text-error',
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};
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let scrollTimeout: NodeJS.Timeout | null = null;
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const toast = useNotification();
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const config = useYtpConfig();
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const route = useRoute();
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const pageShell = requirePageShell('logs');
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const logContainer = useTemplateRef<HTMLDivElement>('logContainer');
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const textWrap = useStorage<boolean>('logs_wrap', true);
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const sseController = ref<AbortController | null>(null);
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const logs = ref<Array<log_line>>([]);
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const offset = ref(0);
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const loading = ref(false);
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const autoScroll = ref(true);
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const reachedEnd = ref(false);
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const pageCardUi = {
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root: 'w-full min-w-0 max-w-full bg-transparent',
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container: 'w-full min-w-0 max-w-full p-4 sm:p-5',
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wrapper: 'w-full min-w-0 items-stretch',
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body: 'w-full min-w-0 max-w-full overflow-hidden',
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};
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const query = ref<string>(
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(() => {
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const filter = route.query.filter ?? '';
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if (!filter) {
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return '';
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}
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if (typeof filter === 'string') {
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return filter.trim();
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}
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if (Array.isArray(filter) && filter.length > 0) {
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return filter[0]?.trim() ?? '';
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}
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return '';
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})(),
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);
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const toggleFilter = ref(Boolean(query.value));
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const normalizedQuery = computed(() => query.value.trim().toLowerCase());
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const filterContext = computed(() => {
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const match = normalizedQuery.value.match(FILTER_CONTEXT_REGEX);
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return match ? parseInt(match[1] ?? '0', 10) : 0;
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});
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const searchTerm = computed(() => normalizedQuery.value.replace(FILTER_CONTEXT_REGEX, '').trim());
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const hasActiveFilter = computed(() => Boolean(searchTerm.value));
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watch(toggleFilter, () => {
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if (!toggleFilter.value) {
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query.value = '';
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scrollToBottom(true);
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}
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});
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watch(
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() => config.app.file_logging,
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async (value) => {
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if (value) {
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return;
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}
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await navigateTo('/');
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},
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);
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const filteredLogs = computed<FilteredLogEntry[]>(() => {
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if (!hasActiveFilter.value) {
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return logs.value.map((log) => ({
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log,
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level: detectLogLevel(log.line),
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isMatch: false,
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isContext: false,
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}));
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}
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const result: Array<FilteredLogEntry> = [];
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const visibleIndexes = new Set<number>();
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const matchedIndexes = new Set<number>();
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logs.value.forEach((log, index) => {
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if (log.line.toLowerCase().includes(searchTerm.value)) {
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matchedIndexes.add(index);
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for (
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let i = Math.max(0, index - filterContext.value);
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i <= Math.min(logs.value.length - 1, index + filterContext.value);
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i++
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) {
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visibleIndexes.add(i);
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}
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}
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});
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Array.from(visibleIndexes)
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.sort((a, b) => a - b)
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.forEach((index) => {
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const log = logs.value[index] as log_line;
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result.push({
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log,
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level: detectLogLevel(log.line),
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isMatch: matchedIndexes.has(index),
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isContext: !matchedIndexes.has(index),
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});
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});
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return result;
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});
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const scrollLogContainerToBottom = async (behavior: ScrollBehavior = 'auto'): Promise<void> => {
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await nextTick();
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if (!logContainer.value) {
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return;
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}
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logContainer.value.scrollTo({
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top: logContainer.value.scrollHeight,
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behavior,
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});
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};
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const fetchLogs = async (): Promise<void> => {
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loading.value = true;
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if (reachedEnd.value || (hasActiveFilter.value && logs.value.length > 0)) {
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loading.value = false;
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return;
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}
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try {
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const req = await request(`/api/logs?offset=${offset.value}`);
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if (!req.ok) {
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toast.error('Failed to fetch logs');
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return;
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}
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const response = await req.json();
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if (response.error) {
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toast.error(response.error);
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return;
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}
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const lines = response.logs ?? [];
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if (lines.length) {
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logs.value.unshift(...response.logs);
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}
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if (response?.next_offset) {
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offset.value = response.next_offset;
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}
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if (response?.end_is_reached) {
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reachedEnd.value = true;
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}
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if (autoScroll.value) {
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await scrollLogContainerToBottom();
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}
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} catch (error) {
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console.error('Failed to fetch logs:', error);
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} finally {
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loading.value = false;
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}
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};
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const handleScroll = (): void => {
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if (!logContainer.value || hasActiveFilter.value) {
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return;
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}
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const container = logContainer.value;
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const nearBottom = container.scrollTop + container.clientHeight >= container.scrollHeight - 50;
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const nearTop = container.scrollTop < 50;
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autoScroll.value = nearBottom;
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if (nearTop && !loading.value && !scrollTimeout) {
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scrollTimeout = setTimeout(async () => {
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const previousHeight = container.scrollHeight;
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await fetchLogs();
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nextTick(() => {
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const newHeight = container.scrollHeight;
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container.scrollTop += newHeight - previousHeight;
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});
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scrollTimeout = null;
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}, 300);
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}
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};
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const scrollToBottom = async (fast = false): Promise<void> => {
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autoScroll.value = true;
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await scrollLogContainerToBottom(fast ? 'auto' : 'smooth');
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};
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const handleStreamMessage = (event: EventSourceMessage): void => {
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if (event.event !== 'log_lines' || !event.data) {
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return;
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}
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let payload: log_line | null = null;
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try {
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payload = JSON.parse(event.data) as log_line;
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} catch {
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payload = null;
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}
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if (!payload) {
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return;
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}
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logs.value.push(payload);
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if (autoScroll.value) {
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void scrollLogContainerToBottom('smooth');
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}
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};
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const startLogStream = async (): Promise<void> => {
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sseController.value?.abort();
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const controller = new AbortController();
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sseController.value = controller;
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try {
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await fetchEventSource(uri('/api/logs/stream'), {
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method: 'GET',
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headers: {
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Accept: 'text/event-stream',
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},
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credentials: 'same-origin',
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signal: controller.signal,
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onopen: async (response) => {
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if (response.ok) {
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return;
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}
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let message = response.statusText || 'Failed to start log stream.';
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try {
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message = await parse_api_error(response.clone().json());
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} catch {
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try {
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const text = await response.text();
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if (text) {
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message = text;
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}
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} catch {
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message = response.statusText || 'Failed to start log stream.';
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}
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}
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throw new Error(message);
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},
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onmessage: handleStreamMessage,
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onerror: (error) => {
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if (controller.signal.aborted) {
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return;
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}
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console.error('Log stream error:', error);
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},
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});
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} catch (error) {
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if (!controller.signal.aborted) {
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console.error('Log stream error:', error);
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}
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} finally {
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if (controller === sseController.value) {
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sseController.value = null;
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}
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}
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};
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const logTimeLabel = (value?: string): string =>
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value ? moment(value).format('HH:mm:ss') : '00:00:00';
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const logTimeTitle = (value?: string): string =>
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value ? moment(value).format('YYYY-MM-DD HH:mm:ss Z') : 'No timestamp';
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const getLogLevel = (level: string): LogLevel => {
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switch (level.toLowerCase()) {
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case 'info':
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return 'info';
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case 'warning':
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case 'warn':
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return 'warning';
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case 'error':
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case 'critical':
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case 'fatal':
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return 'error';
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default:
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return 'debug';
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}
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};
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const detectLogLevel = (line: string): LogLevel => {
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const match = line.match(LOG_LEVEL_PREFIX);
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const level = match?.[1] ?? match?.[2];
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return level ? getLogLevel(level) : 'debug';
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};
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const logLevelDotClass = (level: LogLevel): string => LOG_LEVEL_DOT_CLASS[level];
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const logLineClass = (level: LogLevel): string[] => [
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'flex-1',
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textWrap.value
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? 'min-w-0 whitespace-pre-wrap break-words [overflow-wrap:anywhere]'
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: 'min-w-max whitespace-pre',
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LOG_LEVEL_TEXT_CLASS[level],
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];
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const logRowClass = (entry: FilteredLogEntry, index: number): string[] => {
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const classes = [LOG_ROW_CLASS];
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if (entry.isMatch) {
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classes.push('bg-warning/10');
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return classes;
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}
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if (entry.isContext) {
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classes.push('bg-muted/30');
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return classes;
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}
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if (index % 2 === 1) {
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classes.push('bg-elevated/40');
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}
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return classes;
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};
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onMounted(async () => {
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if (!config.app.file_logging) {
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await navigateTo('/');
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return;
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}
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await fetchLogs();
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await startLogStream();
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});
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onBeforeUnmount(() => {
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sseController.value?.abort();
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if (scrollTimeout) {
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clearTimeout(scrollTimeout);
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scrollTimeout = null;
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}
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});
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</script>
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