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recherche.html 14KB

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  1. {% extends "base_2020.html" %}
  2. {% block lang %}fr{% endblock %}
  3. {% block title %}Recherche{% endblock %}
  4. {% block description %}Voici l’espace personnel de David Larlet sur le Web.{% endblock %}
  5. {% block content %}
  6. <article>
  7. <header>
  8. <h1>Recherche</h1>
  9. </header>
  10. <nav>
  11. <p class="center">
  12. <nobr>
  13. <a href="/david/" title="Aller à l’accueil"
  14. ><svg class="icon icon-home">
  15. <use
  16. xlink:href="/static/david/icons2/symbol-defs-2022-03.svg#icon-home"
  17. ></use>
  18. </svg>
  19. Accueil</a
  20. >
  21. </nobr>
  22. </p>
  23. </nav>
  24. <hr>
  25. <form action="https://duckduckgo.com/" method="get" id="form-search">
  26. <label for="input-search">Termes de votre recherche :</label>
  27. <input type="search" name="q" id="input-search" required>
  28. <input type="hidden" name="sites" value="larlet.fr">
  29. <button>Chercher</button>
  30. <button type="reset">Annuler</button>
  31. </form>
  32. <div id="search-status" role="status"></div>
  33. <div id="search-results"></div>
  34. <hr>
  35. <p>
  36. Vous pouvez aussi consulter les archives chronologiques de
  37. <a href="/david/2022/">2022</a>,
  38. <a href="/david/2021/">2021</a>,
  39. <a href="/david/2020/">2020</a>,
  40. <a href="/david/blog/">etc</a>.
  41. </p>
  42. {% endblock content %}
  43. {% block extra_body %}
  44. <script id="search-index" type="application/json">
  45. {{ search_index }}
  46. </script>
  47. <!-- French stopwords from https://github.com/stopwords-iso/stopwords-fr -->
  48. <script id="search-stop-words" type="application/json">
  49. [
  50. "a", "abord", "absolument", "afin", "ah", "ai", "aie", "aient", "aies",
  51. "ailleurs", "ainsi", "ait", "allaient", "allo", "allons", "allô",
  52. "alors", "anterieur", "anterieure", "anterieures", "apres", "après",
  53. "as", "assez", "attendu", "au", "aucun", "aucune", "aucuns", "aujourd",
  54. "aujourd'hui", "aupres", "auquel", "aura", "aurai", "auraient", "aurais",
  55. "aurait", "auras", "aurez", "auriez", "aurions", "aurons", "auront",
  56. "aussi", "autant", "autre", "autrefois", "autrement", "autres", "autrui",
  57. "aux", "auxquelles", "auxquels", "avaient", "avais", "avait", "avant",
  58. "avec", "avez", "aviez", "avions", "avoir", "avons", "ayant", "ayez",
  59. "ayons", "b", "bah", "bas", "basee", "bat", "beau", "beaucoup", "bien",
  60. "bigre", "bon", "boum", "bravo", "brrr", "c", "car", "ce", "ceci",
  61. "cela", "celle", "celle-ci", "celle-là", "celles", "celles-ci",
  62. "celles-là", "celui", "celui-ci", "celui-là", "celà", "cent",
  63. "cependant", "certain", "certaine", "certaines", "certains", "certes",
  64. "ces", "cet", "cette", "ceux", "ceux-ci", "ceux-là", "chacun", "chacune",
  65. "chaque", "cher", "chers", "chez", "chiche", "chut", "chère", "chères",
  66. "ci", "cinq", "cinquantaine", "cinquante", "cinquantième", "cinquième",
  67. "clac", "clic", "combien", "comme", "comment", "comparable",
  68. "comparables", "compris", "concernant", "contre", "couic", "crac", "d",
  69. "da", "dans", "de", "debout", "dedans", "dehors", "deja", "delà",
  70. "depuis", "dernier", "derniere", "derriere", "derrière", "des",
  71. "desormais", "desquelles", "desquels", "dessous", "dessus", "deux",
  72. "deuxième", "deuxièmement", "devant", "devers", "devra", "devrait",
  73. "different", "differentes", "differents", "différent", "différente",
  74. "différentes", "différents", "dire", "directe", "directement", "dit",
  75. "dite", "dits", "divers", "diverse", "diverses", "dix", "dix-huit",
  76. "dix-neuf", "dix-sept", "dixième", "doit", "doivent", "donc", "dont",
  77. "dos", "douze", "douzième", "dring", "droite", "du", "duquel", "durant",
  78. "dès", "début", "désormais", "e", "effet", "egale", "egalement",
  79. "egales", "eh", "elle", "elle-même", "elles", "elles-mêmes", "en",
  80. "encore", "enfin", "entre", "envers", "environ", "es", "essai", "est",
  81. "et", "etant", "etc", "etre", "eu", "eue", "eues", "euh", "eurent",
  82. "eus", "eusse", "eussent", "eusses", "eussiez", "eussions", "eut", "eux",
  83. "eux-mêmes", "exactement", "excepté", "extenso", "exterieur", "eûmes",
  84. "eût", "eûtes", "f", "fais", "faisaient", "faisant", "fait", "faites",
  85. "façon", "feront", "fi", "flac", "floc", "fois", "font", "force",
  86. "furent", "fus", "fusse", "fussent", "fusses", "fussiez", "fussions",
  87. "fut", "fûmes", "fût", "fûtes", "g", "gens", "h", "ha", "haut", "hein",
  88. "hem", "hep", "hi", "ho", "holà", "hop", "hormis", "hors", "hou", "houp",
  89. "hue", "hui", "huit", "huitième", "hum", "hurrah", "hé", "hélas", "i",
  90. "ici", "il", "ils", "importe", "j", "je", "jusqu", "jusque", "juste",
  91. "k", "l", "la", "laisser", "laquelle", "las", "le", "lequel", "les",
  92. "lesquelles", "lesquels", "leur", "leurs", "longtemps", "lors",
  93. "lorsque", "lui", "lui-meme", "lui-même", "là", "lès", "m", "ma",
  94. "maint", "maintenant", "mais", "malgre", "malgré", "maximale", "me",
  95. "meme", "memes", "merci", "mes", "mien", "mienne", "miennes", "miens",
  96. "mille", "mince", "mine", "minimale", "moi", "moi-meme", "moi-même",
  97. "moindres", "moins", "mon", "mot", "moyennant", "multiple", "multiples",
  98. "même", "mêmes", "n", "na", "naturel", "naturelle", "naturelles", "ne",
  99. "neanmoins", "necessaire", "necessairement", "neuf", "neuvième", "ni",
  100. "nombreuses", "nombreux", "nommés", "non", "nos", "notamment", "notre",
  101. "nous", "nous-mêmes", "nouveau", "nouveaux", "nul", "néanmoins", "nôtre",
  102. "nôtres", "o", "oh", "ohé", "ollé", "olé", "on", "ont", "onze",
  103. "onzième", "ore", "ou", "ouf", "ouias", "oust", "ouste", "outre",
  104. "ouvert", "ouverte", "ouverts", "o|", "où", "p", "paf", "pan", "par",
  105. "parce", "parfois", "parle", "parlent", "parler", "parmi", "parole",
  106. "parseme", "partant", "particulier", "particulière", "particulièrement",
  107. "pas", "passé", "pendant", "pense", "permet", "personne", "personnes",
  108. "peu", "peut", "peuvent", "peux", "pff", "pfft", "pfut", "pif", "pire",
  109. "pièce", "plein", "plouf", "plupart", "plus", "plusieurs", "plutôt",
  110. "possessif", "possessifs", "possible", "possibles", "pouah", "pour",
  111. "pourquoi", "pourrais", "pourrait", "pouvait", "prealable",
  112. "precisement", "premier", "première", "premièrement", "pres", "probable",
  113. "probante", "procedant", "proche", "près", "psitt", "pu", "puis",
  114. "puisque", "pur", "pure", "q", "qu", "quand", "quant", "quant-à-soi",
  115. "quanta", "quarante", "quatorze", "quatre", "quatre-vingt", "quatrième",
  116. "quatrièmement", "que", "quel", "quelconque", "quelle", "quelles",
  117. "quelqu'un", "quelque", "quelques", "quels", "qui", "quiconque",
  118. "quinze", "quoi", "quoique", "r", "rare", "rarement", "rares",
  119. "relative", "relativement", "remarquable", "rend", "rendre", "restant",
  120. "reste", "restent", "restrictif", "retour", "revoici", "revoilà", "rien",
  121. "s", "sa", "sacrebleu", "sait", "sans", "sapristi", "sauf", "se", "sein",
  122. "seize", "selon", "semblable", "semblaient", "semble", "semblent",
  123. "sent", "sept", "septième", "sera", "serai", "seraient", "serais",
  124. "serait", "seras", "serez", "seriez", "serions", "serons", "seront",
  125. "ses", "seul", "seule", "seulement", "si", "sien", "sienne", "siennes",
  126. "siens", "sinon", "six", "sixième", "soi", "soi-même", "soient", "sois",
  127. "soit", "soixante", "sommes", "son", "sont", "sous", "souvent", "soyez",
  128. "soyons", "specifique", "specifiques", "speculatif", "stop",
  129. "strictement", "subtiles", "suffisant", "suffisante", "suffit", "suis",
  130. "suit", "suivant", "suivante", "suivantes", "suivants", "suivre",
  131. "sujet", "superpose", "sur", "surtout", "t", "ta", "tac", "tandis",
  132. "tant", "tardive", "te", "tel", "telle", "tellement", "telles", "tels",
  133. "tenant", "tend", "tenir", "tente", "tes", "tic", "tien", "tienne",
  134. "tiennes", "tiens", "toc", "toi", "toi-même", "ton", "touchant",
  135. "toujours", "tous", "tout", "toute", "toutefois", "toutes", "treize",
  136. "trente", "tres", "trois", "troisième", "troisièmement", "trop", "très",
  137. "tsoin", "tsouin", "tu", "té", "u", "un", "une", "unes", "uniformement",
  138. "unique", "uniques", "uns", "v", "va", "vais", "valeur", "vas", "vers",
  139. "via", "vif", "vifs", "vingt", "vivat", "vive", "vives", "vlan", "voici",
  140. "voie", "voient", "voilà", "voire", "vont", "vos", "votre", "vous",
  141. "vous-mêmes", "vu", "vé", "vôtre", "vôtres", "w", "x", "y", "z", "zut",
  142. "à", "â", "ça", "ès", "étaient", "étais", "était", "étant", "état",
  143. "étiez", "étions", "été", "étée", "étées", "étés", "êtes", "être", "ô"
  144. ]
  145. </script>
  146. <script type="text/javascript">
  147. /* See:
  148. * https://gomakethings.com/how-to-create-a-search-page-for-a-static-website-with-vanilla-js/
  149. * https://gomakethings.com/how-to-update-the-url-of-a-page-without-causing-a-reload-using-vanilla-javascript/
  150. */
  151. (function () {
  152. // Retrieving the search index and stopwords from JSON.
  153. // See https://v8.dev/blog/cost-of-javascript-2019#json
  154. let searchIndex = JSON.parse(document.getElementById('search-index').textContent)
  155. let stopWords = JSON.parse(document.getElementById('search-stop-words').textContent)
  156. // Get the DOM elements
  157. let form = document.querySelector('#form-search')
  158. let input = document.querySelector('#input-search')
  159. let resultList = document.querySelector('#search-results')
  160. let searchStatus = document.querySelector('#search-status')
  161. // Make sure required content exists
  162. if (!form || !input || !resultList || !searchStatus || !searchIndex || !stopWords) return
  163. // Create a submit handler
  164. form.addEventListener('submit', function (event) {
  165. event.preventDefault()
  166. search(input.value)
  167. })
  168. // Create a typeahead handler
  169. form.addEventListener('keyup', function (event) {
  170. search(input.value)
  171. })
  172. // Create a reset handler
  173. form.addEventListener('reset', function() {
  174. search('')
  175. searchStatus.innerHTML = ''
  176. })
  177. // Check for query strings onload
  178. onload()
  179. /**
  180. * If there's a query string search term, search it on page load
  181. */
  182. function onload () {
  183. let query = new URLSearchParams(window.location.search).get('s')
  184. if (!query) return
  185. input.value = query
  186. search(query)
  187. }
  188. /**
  189. * Search for matches
  190. * @param {String} query The term to search for
  191. */
  192. function search (query) {
  193. // Create a regex for each query
  194. let regMap = query.toLowerCase().split(' ').filter(function (word) {
  195. return word.length && !stopWords.includes(word)
  196. }).map(function (word) {
  197. return new RegExp(word, 'i')
  198. })
  199. // Get and sort the results
  200. let results = searchIndex.reduce(function (results, article, index) {
  201. // Setup priority count
  202. let priority = 0
  203. // Assign priority
  204. for (let reg of regMap) {
  205. if (reg.test(article.title)) { priority += 100 }
  206. let occurences = article.content.match(reg)
  207. if (occurences) { priority += occurences.length }
  208. }
  209. // If any matches, push to results
  210. if (priority > 0) {
  211. results.push({
  212. priority: priority,
  213. article: article
  214. })
  215. }
  216. return results
  217. }, []).sort(function (article1, article2) {
  218. return article2.priority - article1.priority
  219. })
  220. // Display the results
  221. showResults(results, regMap)
  222. // Update the URL
  223. updateURL(query)
  224. }
  225. /**
  226. * Show the search results in the UI
  227. * @param {Array} results The results to display
  228. */
  229. function showResults (results, regMap) {
  230. if (results.length) {
  231. const plural = results.length > 1 ? 's' : ''
  232. searchStatus.innerHTML = `<p>${results.length} publication${plural} trouvée${plural} 🙌</p>`
  233. resultList.innerHTML = results.map(function (result) {
  234. return `
  235. <h2>
  236. <a href="${result.article.url}">${result.article.title}</a>
  237. (${result.article.date})
  238. </h2>
  239. <p>${highlightContent(result.article.content, regMap)}</p>
  240. `
  241. }).join('')
  242. } else {
  243. searchStatus.innerHTML = '<p>Aucune publication n’a été trouvée 😢<br>Seuls les écrits de ces dernières années sont indexés.</p>'
  244. resultList.innerHTML = ''
  245. }
  246. }
  247. function highlightContent(content, regMap) {
  248. // TODO: deal with close matches when multiple words are looked for,
  249. // it does not look trivial because you have to memorize positions
  250. // then create extracts.
  251. // For instance: `microsoft github`
  252. const extractBoundariesSize = 100
  253. const contentLength = content.length
  254. let extracts = []
  255. for (let reg of regMap) {
  256. const index = content.search(reg)
  257. if (index === -1) { continue }
  258. let extract = content.substring(
  259. index - extractBoundariesSize,
  260. index + reg.source.length + extractBoundariesSize
  261. )
  262. // TODISCUSS: we replace with the source but in case there is
  263. // an uppercase letter it will disappear from the extract
  264. // (is that confusing or closer to what is expected?)
  265. extract = extract.replace(reg,`<mark>${reg.source}</mark>`)
  266. const prefixEllipsis = index - extractBoundariesSize >= 0 ? '…' : ''
  267. const suffixEllipsis = index - extractBoundariesSize <= contentLength ? '…' : ''
  268. extracts.push(`${prefixEllipsis}${extract}${suffixEllipsis}`)
  269. }
  270. return extracts.join('')
  271. }
  272. /**
  273. * Update the URL with a query string for the search string
  274. * @param {String} query The search query
  275. */
  276. function updateURL (query) {
  277. // Create the properties
  278. let state = history.state
  279. let title = document.title
  280. let url = window.location.origin + window.location.pathname
  281. if (query) {
  282. url += '?s=' + encodeURI(query)
  283. }
  284. // Update the URL
  285. history.pushState(state, title, url)
  286. }
  287. })()
  288. </script>
  289. {% endblock %}