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Merge pull request #67 from wangfenjin/node
add node example
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| Original file line number | Diff line number | Diff line change |
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@@ -9,6 +9,8 @@ bin/ | |
| output/ | ||
| output-no-jieba/ | ||
| chat.db | ||
| examples/node/node_modules/ | ||
| examples/node/lib/ | ||
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| # CLion | ||
| .idea/ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| # node example | ||
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| ``` | ||
| # download lib from github | ||
| npm install | ||
| # run example | ||
| npm run p | ||
| # remove build folder | ||
| npm run clean | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,31 @@ | ||
| const { task, logger } = require('just-scripts') | ||
| const download = require('download') | ||
| const path = require('path') | ||
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| task('install', () => { | ||
| return new Promise((resolve, reject) => { | ||
| const localPath = path.join(__dirname, 'lib') | ||
| var platform = process.env.npm_config_target_platform || process.platform | ||
| logger.info(`[install] Target platform: ${platform}`) | ||
| if (platform === 'darwin') { | ||
| platform = 'osx'; | ||
| } else if (platform === 'win32') { | ||
| platform = 'windows'; | ||
| } | ||
| var arch = process.env.npm_config_target_arch || process.arch | ||
| logger.info(`[install] Target arch: ${arch}`) | ||
| if (platform !== 'windows' && arch === 'x64') { | ||
| arch = 'amd64'; | ||
| } | ||
| const downloadUrl = `https://github.com/wangfenjin/simple/releases/download/v0.0.4/libsimple-${platform}-${arch}.zip` | ||
| logger.info(`[install] Download prebuilt binaries from ${downloadUrl}`) | ||
| download(downloadUrl, localPath, { | ||
| extract: true, strip: 1 | ||
| }).then(() => { | ||
| resolve() | ||
| }).catch(err => { | ||
| logger.warn(`[install] Failed to download package from: ${downloadUrl}, err: ${err}`) | ||
| reject() | ||
| }) | ||
| }) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| var path = require("path"); | ||
| var sqlite3 = require('sqlite3').verbose(); | ||
| var db = new sqlite3.Database(':memory:'); | ||
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| db.serialize(function() { | ||
| const extension_path = path.resolve("./lib/"); | ||
| console.log("extension path: " + extension_path); | ||
| // load extension | ||
| var platform = process.env.npm_config_target_platform || process.platform | ||
| if (platform === 'win32') { | ||
| db.loadExtension(path.join(extension_path, "simple")); | ||
| } else { | ||
| db.loadExtension(path.join(extension_path, "libsimple")); | ||
| } | ||
| // set the jieba dict file path | ||
| db.run("select jieba_dict(?)", path.join(extension_path, "dict")); | ||
| // create table | ||
| db.run("CREATE VIRTUAL TABLE t1 USING fts5(x, tokenize = 'simple')"); | ||
| // insert some data | ||
| db.run("insert into t1(x) values ('周杰伦 Jay Chou:我已分不清，你是友情还是错过的爱情'), ('周杰伦 Jay Chou:最美的不是下雨天，是曾与你躲过雨的屋檐'), ('I love China! 我爱中国！我是中华人民共和国公民！'), ('@English &special _characters.\"''bacon-&and''-eggs%')"); | ||
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| // with match 周杰伦 | ||
| db.each("select rowid as id, simple_highlight(t1, 0, '[', ']') as info from t1 where x match simple_query('zjl')", function(err, row) { | ||
| console.log(row.id + ": " + row.info); | ||
| }); | ||
| // will match 中国 and 中华人民共和国 | ||
| db.each("select rowid as id, simple_highlight(t1, 0, '[', ']') as info from t1 where x match simple_query('中国')", function(err, row) { | ||
| console.log(row.id + ": " + row.info); | ||
| }); | ||
| // will match 中国 but not 中华人民共和国 | ||
| db.each("select rowid as id, simple_highlight(t1, 0, '[', ']') as info from t1 where x match jieba_query('中国')", function(err, row) { | ||
| console.log(row.id + ": " + row.info); | ||
| }); | ||
| }); | ||
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| db.close(); |
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