aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/src/templates/assets/javascripts/integrations/search/worker/main
diff options
context:
space:
mode:
Diffstat (limited to 'src/templates/assets/javascripts/integrations/search/worker/main')
-rw-r--r--src/templates/assets/javascripts/integrations/search/worker/main/.eslintrc6
-rw-r--r--src/templates/assets/javascripts/integrations/search/worker/main/index.ts192
2 files changed, 0 insertions, 198 deletions
diff --git a/src/templates/assets/javascripts/integrations/search/worker/main/.eslintrc b/src/templates/assets/javascripts/integrations/search/worker/main/.eslintrc
deleted file mode 100644
index 3df9d551..00000000
--- a/src/templates/assets/javascripts/integrations/search/worker/main/.eslintrc
+++ /dev/null
@@ -1,6 +0,0 @@
-{
- "rules": {
- "no-console": "off",
- "@typescript-eslint/no-misused-promises": "off"
- }
-}
diff --git a/src/templates/assets/javascripts/integrations/search/worker/main/index.ts b/src/templates/assets/javascripts/integrations/search/worker/main/index.ts
deleted file mode 100644
index 2df38080..00000000
--- a/src/templates/assets/javascripts/integrations/search/worker/main/index.ts
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-import lunr from "lunr"
-
-import { getElement } from "~/browser/element/_"
-import "~/polyfills"
-
-import { Search } from "../../_"
-import { SearchConfig } from "../../config"
-import {
- SearchMessage,
- SearchMessageType
-} from "../message"
-
-/* ----------------------------------------------------------------------------
- * Types
- * ------------------------------------------------------------------------- */
-
-/**
- * Add support for `iframe-worker` shim
- *
- * While `importScripts` is synchronous when executed inside of a web worker,
- * it's not possible to provide a synchronous shim implementation. The cool
- * thing is that awaiting a non-Promise will convert it into a Promise, so
- * extending the type definition to return a `Promise` shouldn't break anything.
- *
- * @see https://bit.ly/2PjDnXi - GitHub comment
- *
- * @param urls - Scripts to load
- *
- * @returns Promise resolving with no result
- */
-declare global {
- function importScripts(...urls: string[]): Promise<void> | void
-}
-
-/* ----------------------------------------------------------------------------
- * Data
- * ------------------------------------------------------------------------- */
-
-/**
- * Search index
- */
-let index: Search
-
-/* ----------------------------------------------------------------------------
- * Helper functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Fetch (= import) multi-language support through `lunr-languages`
- *
- * This function automatically imports the stemmers necessary to process the
- * languages which are defined as part of the search configuration.
- *
- * If the worker runs inside of an `iframe` (when using `iframe-worker` as
- * a shim), the base URL for the stemmers to be loaded must be determined by
- * searching for the first `script` element with a `src` attribute, which will
- * contain the contents of this script.
- *
- * @param config - Search configuration
- *
- * @returns Promise resolving with no result
- */
-async function setupSearchLanguages(
- config: SearchConfig
-): Promise<void> {
- let base = "../lunr"
-
- /* Detect `iframe-worker` and fix base URL */
- if (typeof parent !== "undefined" && "IFrameWorker" in parent) {
- const worker = getElement<HTMLScriptElement>("script[src]")!
- const [path] = worker.src.split("/worker")
-
- /* Prefix base with path */
- base = base.replace("..", path)
- }
-
- /* Add scripts for languages */
- const scripts = []
- for (const lang of config.lang) {
- switch (lang) {
-
- /* Add segmenter for Japanese */
- case "ja":
- scripts.push(`${base}/tinyseg.js`)
- break
-
- /* Add segmenter for Hindi and Thai */
- case "hi":
- case "th":
- scripts.push(`${base}/wordcut.js`)
- break
- }
-
- /* Add language support */
- if (lang !== "en")
- scripts.push(`${base}/min/lunr.${lang}.min.js`)
- }
-
- /* Add multi-language support */
- if (config.lang.length > 1)
- scripts.push(`${base}/min/lunr.multi.min.js`)
-
- /* Load scripts synchronously */
- if (scripts.length)
- await importScripts(
- `${base}/min/lunr.stemmer.support.min.js`,
- ...scripts
- )
-}
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Message handler
- *
- * @param message - Source message
- *
- * @returns Target message
- */
-export async function handler(
- message: SearchMessage
-): Promise<SearchMessage> {
- switch (message.type) {
-
- /* Search setup message */
- case SearchMessageType.SETUP:
- await setupSearchLanguages(message.data.config)
- index = new Search(message.data)
- return {
- type: SearchMessageType.READY
- }
-
- /* Search query message */
- case SearchMessageType.QUERY:
- const query = message.data
- try {
- return {
- type: SearchMessageType.RESULT,
- data: index.search(query)
- }
-
- /* Return empty result in case of error */
- } catch (err) {
- console.warn(`Invalid query: ${query} – see https://bit.ly/2s3ChXG`)
- console.warn(err)
- return {
- type: SearchMessageType.RESULT,
- data: { items: [] }
- }
- }
-
- /* All other messages */
- default:
- throw new TypeError("Invalid message type")
- }
-}
-
-/* ----------------------------------------------------------------------------
- * Worker
- * ------------------------------------------------------------------------- */
-
-/* Expose Lunr.js in global scope, or stemmers won't work */
-self.lunr = lunr
-
-/* Handle messages */
-addEventListener("message", async ev => {
- postMessage(await handler(ev.data))
-})