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49 lines
1.0 KiB
49 lines
1.0 KiB
3 years ago
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const Path = require('path')
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let uid = 0
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function getUID () {
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return uid++
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}
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function genImportCode (name, path) {
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return `import * as ${name} from '${path}';\n`
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}
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function genPropsCode (key, value) {
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return `'${key}': ${value},\n`
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}
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module.exports = function genRequireCode (baseDirname, modules) {
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const uid = getUID()
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let importCode = ''
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let moduleProps = ''
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modules.forEach((file, index) => {
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const moduleName = `require_context_module_${uid}_${index}`
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const moduleAbsolutePath = Path.resolve(baseDirname, file).replace(/\\/g, '/')
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importCode += genImportCode(moduleName, moduleAbsolutePath)
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moduleProps += genPropsCode(file.replace(/\\/g, '/'), moduleName)
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})
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const requireFnCode = (`
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(function() {
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var map = {
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${moduleProps}
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};
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var req = function req(key) {
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return map[key] || (function() { throw new Error("Cannot find module '" + key + "'.") }());
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}
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req.keys = function() {
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return Object.keys(map);
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}
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return req;
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})()
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`)
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return {
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importCode,
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requireFnCode
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}
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}
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