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