Files: 0e255bdfe32790e9ab40d3c4329f6513dd107d6e / modules_core / suggest-box.js
1053 bytesRaw
| 1 | const fs = require('fs') |
| 2 | const h = require('../h') |
| 3 | const onload = require('on-load') |
| 4 | const { para } = require('cont') |
| 5 | const Suggest = require('suggest-box') |
| 6 | |
| 7 | exports.needs = {} |
| 8 | |
| 9 | exports.gives = { |
| 10 | build_suggest_box: true, |
| 11 | css: true |
| 12 | } |
| 13 | |
| 14 | exports.create = function (api) { |
| 15 | return { |
| 16 | build_suggest_box, |
| 17 | css: () => fs.readFileSync(__filename.replace(/js$/, 'css'), 'utf8') // NOTE css |
| 18 | } |
| 19 | |
| 20 | function build_suggest_box (inputNode, asyncSuggesters, opts = {}) { |
| 21 | function suggester (inputText, cb) { |
| 22 | para(asyncSuggesters(inputText)) |
| 23 | ((err, ary) => { |
| 24 | if(err) return cb(err) |
| 25 | |
| 26 | var suggestions = ary.filter(Boolean).reduce((a, b) => a.concat(b), []) |
| 27 | cb(null, suggestions) |
| 28 | }) |
| 29 | } |
| 30 | |
| 31 | var suggestBox |
| 32 | onload(inputNode, (el) => { |
| 33 | suggestBox = Suggest(el, suggester, opts) |
| 34 | }) |
| 35 | |
| 36 | // HACK (mix) : onload is needed because Suggest demands a parent node. |
| 37 | // I've chosen this over forcing users to pass a callback |
| 38 | return { |
| 39 | complete: () => suggestBox.complete() |
| 40 | } |
| 41 | } |
| 42 | } |
| 43 | |
| 44 |
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