[英]Excluding libraries from browserify - Unable to reference react.js / Uncaught Error: Cannot find module 'react'
I have been trying to get a gulpfile set up to use Browserify to generate a compiled file that does not include the 3rd party elements. 我一直在尝试设置gulpfile,以使用Browserify生成不包含第3方元素的编译文件。 I have a distinct problem with react.js. 我对react.js有一个明显的问题。
If I exclude it (as my gulpfile below indicates when 'build-js-prod' is run) then I get an annoying warning saying I should use the production version of React. 如果我排除它(如下面的gulpfile指示何时运行“ build-js-prod”),那么我会收到一个烦人的警告,说我应该使用React的生产版本。 If I add the react URL seperately then I get an error saying... 如果我分别添加反应URL,那么我会收到一条错误消息:
Uncaught Error: Cannot find module 'react' 未捕获的错误:找不到模块“反应”
Here is my gulpfile (edited) 这是我的gulpfile(已编辑)
'use strict';
var gulp = require('gulp'),
sass = require('gulp-sass'),
clean = require('gulp-clean'),
uglify = require('gulp-uglify'),
sourcemaps = require("gulp-sourcemaps"),
concat = require("gulp-concat-js"),
rename = require("gulp-rename"),
browserify = require('browserify'),
watchify = require('watchify'),
reactify = require('reactify'),
source = require('vinyl-source-stream'),
buffer = require('vinyl-buffer'),
jslint = require('gulp-eslint'),
gutil = require('gulp-util');
const PATHS = {
scriptsSrcPath: 'Scripts/',
sassSrcPath: 'Sass/',
buildPath: 'wwwroot/',
scriptsBuildPath: 'wwwroot/js/',
sassBuildPath: 'wwwroot/css/',
fontsBuildPath: 'wwwroot/fonts/',
namespace: '<%= pkg.name %>'
};
const LIBS = ['jquery', 'react', 'react-dom', 'bootstrap'];
// JS tasks
var bundle = function(bundler) {
return bundler.bundle()
.pipe(source('modle-portal.js'))
.pipe(buffer())
.pipe(sourcemaps.init({ loadMaps: true }))
.pipe(uglify())
.on('error', gutil.log)
.pipe(sourcemaps.write('./'))
.pipe(gulp.dest(PATHS.scriptsBuildPath));
}
gulp.task('js-clean', function () {
return gulp.src(PATHS.scriptsBuildPath, { read: false })
.pipe(clean({ force: true }));
});
gulp.task("js-lint", function () {
return gulp.src([PATHS.scriptsSrcPath + '*.{js,jsx}', PATHS.scriptsSrcPath + '**/*.{js,jsx}'])
.pipe(jslint())
.pipe(jslint.format())
.pipe(jslint.failAfterError());
});
gulp.task("js-build-vendors", ['js-clean'], function () {
var bundler = browserify({
entries: [PATHS.scriptsSrcPath + 'app.js'],
transform: [reactify],
debug: true,
cache: {}, packageCache: {}, fullPaths: true
});
gulp.src('node_modules/jquery/dist/*')
.pipe(gulp.dest(PATHS.scriptsBuildPath));
var bundler = browserify({
debug: false
});
LIBS.forEach(function (lib) {
bundler.require(lib);
});
return bundler.bundle()
.pipe(source('vendors.js'))
.pipe(buffer())
.pipe(uglify())
.on('error', gutil.log)
.pipe(gulp.dest(PATHS.scriptsBuildPath));
});
gulp.task("js-build-prod", ['js-lint', 'js-build-vendors'], function () {
var bundler = browserify({
entries: [PATHS.scriptsSrcPath + 'app.js'],
transform: [reactify],
debug: false,
cache: {}, packageCache: {}, fullPaths: true
});
LIBS.forEach(function (lib) {
bundler.external(require.resolve(lib, { expose: lib }));
});
return bundle(bundler);
});
I have my HTML set up as follows (this generates the nagging error about using production React)... 我将HTML设置如下(这会产生关于使用生产React的烦人错误)...
<script src="~/js/jquery.js"></script>
<script src="~/js/vendors.js"></script>
<script src="~/js/modle-portal.js" asp-append-version="true"></script>
or like this (which generates the 'Cannot find' error)... 或这样(会生成“找不到”错误)...
<script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-2.2.0.min.js"></script>
<script src="https://unpkg.com/react@15.3.2/dist/react.min.js"></script>
<script src="https://unpkg.com/react-dom@15.3.2/dist/react-dom.min.js"></script>
<script src="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.6/bootstrap.min.js">
I am at a loss as to how to proceed with this now. 我现在不知道如何进行此操作。
I fixed this in the end within my gulpfile with 2 key changes. 最后,我在gulpfile中进行了2个关键更改,以解决此问题。
require('babel-core/register'); require('babel-core / register');
var gulp = require('gulp'),
sass = require('gulp-sass'),
clean = require('gulp-clean'),
uglify = require('gulp-uglify'),
sourcemaps = require("gulp-sourcemaps"),
browserify = require('browserify'),
shim = require('browserify-shim'),
watchify = require('watchify'),
reactify = require('reactify'),
source = require('vinyl-source-stream'),
buffer = require('vinyl-buffer'),
jslint = require('gulp-eslint'),
gutil = require('gulp-util'),
mocha = require('gulp-mocha'),
babel = require('gulp-babel');
const EXT_LIBS = ['jquery', 'bootstrap', 'react', 'react-dom'];
const IG_LIBS = [];
const VDR_COMPILED_LIBS = [];
// JS tasks
var buildJs = function (debugMode, watch, bundleCallback) {
var entryPoint = PATHS.scriptsSrcPath + 'app.js';
var bundler = browserify({
entries: [entryPoint],
transform: [reactify, shim],
debug: debugMode,
cache: {}, packageCache: {}, fullPaths: true
});
EXT_LIBS.forEach(function (lib) {
bundler.external(require.resolve(lib, { expose: lib }));
});
IG_LIBS.forEach(function (lib) {
bundler.ignore(require.resolve(lib, { expose: lib }));
});
if (watch) {
bundler = watchify(bundler);
bundler.on('update', function () {
bundleCallback(bundler);
});
bundler.on('log', function (msg) {
gutil.log(msg);
});
}
return bundleCallback(bundler);
}
The first key element was enabling 'external' rather than 'ignore' for the unneeded files but keeping the 第一个关键要素是对不需要的文件启用“外部”而不是“忽略”,但保持
require('react');
line in the modules. 线在模块中。 The second key element was passing the browserify-shim transform into the options for browserify. 第二个关键要素是将browserify-shim转换传递到browserify的选项中。
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