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114 行
3.2 KiB

var path = require('path');
var chalk = require('chalk');
var glob = require("glob");
var fs = require('fs');
var nunjucks = require('nunjucks');
var chokidar = require('chokidar');
exports.command = 'codegen [dir] [file]';
exports.desc = "generate mixin code";
exports.builder = function (yargs) {
return yargs.positional('dir', {
describe: 'the working directory',
type: 'string',
default: '.'
}).positional('file', {
describe: 'the target file if specified',
type: 'string',
default: ''
}).option('watch', {
alias: 'w',
describe: 'Watch for file changes',
boolean: true
});
};
exports.handler = function (argv) {
var cwd = path.resolve(__dirname, '../..', argv.dir);
var file = ''
if (argv.file != '') {
file = argv.file;
}
var data = {};
var env = nunjucks.configure(cwd, {
trimBlocks: true,
lstripBlocks: true,
noCache: true
});
glob('**/*.njk', {
strict: true,
cwd: cwd,
ignore: '**/_*.*'
}, function (err, files) {
if (err) {
return console.error(chalk.red(err));
}
if (files.indexOf(file) >=0) {
render(env, cwd, file, data);
}
else {
renderAll(env, cwd, files, data);
}
});
if (argv.watch) {
var watcher = chokidar.watch('**/*.njk', {
persistent: true,
cwd: cwd,
awaitWriteFinish: {
stabilityThreshold: 300,
pollInterval: 50
}
});
var layouts = [];
var templates = [];
watcher.on('ready', function () {
console.log(chalk.gray('Watching templates...'));
});
watcher.on('add', function (file) {
if (path.basename(file).indexOf('_') === 0) {
layouts.push(file);
} else {
templates.push(file);
}
});
watcher.on('change', function (file) {
if (layouts.indexOf(file) >= 0) {
renderAll(env, cwd, templates, data);
} else {
render(env, cwd, file, data);
}
});
}
};
function render(env, cwd, file, data) {
warning_prefix =
"/*\n" +
" WARNING!!!: GENERATED BY CODE, DO NOT CHANGE !!!!!!\n" +
" A file with the suffix .gen.cs is automatically generate from its corresponding template file with suffix .njk using nunjucks.\n" +
" If you want to update this file, please edit the corresponding .njk file first and execute the following cmd at the Scripts folder:\n" +
" \"node uiwidgets-cli.js codegen\"\n" +
"*/\n\n\n";
env.render(file, data, function (err, res) {
if (err) {
return console.error(chalk.red(err));
}
var outputFile = file.replace(/\.\w+$/, '') + '.gen.cs';
console.log(chalk.blue('Rendering: ' + file));
fs.writeFileSync(path.resolve(cwd, outputFile), warning_prefix + res);
});
}
function renderAll(env, cwd, files, data) {
for (var i = 0; i < files.length; i++) {
render(env, cwd, files[i], data);
}
}