mirror of
https://github.com/musix-org/musix-oss
synced 2024-11-10 08:10:18 +00:00
74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
|
//compile doT templates to js functions
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
var glob = require('glob')
|
||
|
|
, fs = require('fs')
|
||
|
|
, path = require('path')
|
||
|
|
, doT = require('dot')
|
||
|
|
, beautify = require('js-beautify').js_beautify;
|
||
|
|
|
||
|
|
var defsRootPath = process.argv[2] || path.join(__dirname, '../lib');
|
||
|
|
|
||
|
|
var defs = {};
|
||
|
|
var defFiles = glob.sync('./dot/**/*.def', { cwd: defsRootPath });
|
||
|
|
defFiles.forEach(function (f) {
|
||
|
|
var name = path.basename(f, '.def');
|
||
|
|
defs[name] = fs.readFileSync(path.join(defsRootPath, f));
|
||
|
|
});
|
||
|
|
|
||
|
|
var filesRootPath = process.argv[3] || path.join(__dirname, '../lib');
|
||
|
|
var files = glob.sync('./dot/**/*.jst', { cwd: filesRootPath });
|
||
|
|
|
||
|
|
var dotjsPath = path.join(filesRootPath, './dotjs');
|
||
|
|
try { fs.mkdirSync(dotjsPath); } catch(e) {}
|
||
|
|
|
||
|
|
console.log('\n\nCompiling:');
|
||
|
|
|
||
|
|
var FUNCTION_NAME = /function\s+anonymous\s*\(it[^)]*\)\s*{/;
|
||
|
|
var OUT_EMPTY_STRING = /out\s*\+=\s*'\s*';/g;
|
||
|
|
var ISTANBUL = /'(istanbul[^']+)';/g;
|
||
|
|
var ERROR_KEYWORD = /\$errorKeyword/g;
|
||
|
|
var ERROR_KEYWORD_OR = /\$errorKeyword\s+\|\|/g;
|
||
|
|
var VARS = [
|
||
|
|
'$errs', '$valid', '$lvl', '$data', '$dataLvl',
|
||
|
|
'$errorKeyword', '$closingBraces', '$schemaPath',
|
||
|
|
'$validate'
|
||
|
|
];
|
||
|
|
|
||
|
|
files.forEach(function (f) {
|
||
|
|
var keyword = path.basename(f, '.jst');
|
||
|
|
var targetPath = path.join(dotjsPath, keyword + '.js');
|
||
|
|
var template = fs.readFileSync(path.join(filesRootPath, f));
|
||
|
|
var code = doT.compile(template, defs);
|
||
|
|
code = code.toString()
|
||
|
|
.replace(OUT_EMPTY_STRING, '')
|
||
|
|
.replace(FUNCTION_NAME, 'function generate_' + keyword + '(it, $keyword, $ruleType) {')
|
||
|
|
.replace(ISTANBUL, '/* $1 */');
|
||
|
|
removeAlwaysFalsyInOr();
|
||
|
|
VARS.forEach(removeUnusedVar);
|
||
|
|
code = "'use strict';\nmodule.exports = " + code;
|
||
|
|
code = beautify(code, { indent_size: 2 }) + '\n';
|
||
|
|
fs.writeFileSync(targetPath, code);
|
||
|
|
console.log('compiled', keyword);
|
||
|
|
|
||
|
|
function removeUnusedVar(v) {
|
||
|
|
v = v.replace(/\$/g, '\\$$');
|
||
|
|
var regexp = new RegExp(v + '[^A-Za-z0-9_$]', 'g');
|
||
|
|
var count = occurrences(regexp);
|
||
|
|
if (count == 1) {
|
||
|
|
regexp = new RegExp('var\\s+' + v + '\\s*=[^;]+;|var\\s+' + v + ';');
|
||
|
|
code = code.replace(regexp, '');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function removeAlwaysFalsyInOr() {
|
||
|
|
var countUsed = occurrences(ERROR_KEYWORD);
|
||
|
|
var countOr = occurrences(ERROR_KEYWORD_OR);
|
||
|
|
if (countUsed == countOr + 1) code = code.replace(ERROR_KEYWORD_OR, '');
|
||
|
|
}
|
||
|
|
|
||
|
|
function occurrences(regexp) {
|
||
|
|
return (code.match(regexp) || []).length;
|
||
|
|
}
|
||
|
|
});
|