angular-server-side-configuration
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Configure an angular application on the server
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{"version":3,"file":"angular-server-side-configuration.mjs","sources":["../../../projects/angular-server-side-configuration/src/glob-to-regexp.ts","../../../projects/angular-server-side-configuration/src/insert.ts","../../../projects/angular-server-side-configuration/src/angular-server-side-configuration.ts"],"sourcesContent":["// Source: https://github.com/fitzgen/glob-to-regexp/blob/master/index.js\n\nexport interface Options {\n extended?: boolean | undefined;\n globstar?: boolean | undefined;\n flags?: string | undefined;\n}\n\nexport function globToRegExp(glob: string, opts?: Options) {\n if (typeof glob !== 'string') {\n throw new TypeError('Expected a string');\n }\n\n var str = String(glob);\n\n // The regexp we are building, as a string.\n var reStr = '';\n\n // Whether we are matching so called \"extended\" globs (like bash) and should\n // support single character matching, matching ranges of characters, group\n // matching, etc.\n var extended = opts ? !!opts.extended : false;\n\n // When globstar is _false_ (default), '/foo/*' is translated a regexp like\n // '^\\/foo\\/.*$' which will match any string beginning with '/foo/'\n // When globstar is _true_, '/foo/*' is translated to regexp like\n // '^\\/foo\\/[^/]*$' which will match any string beginning with '/foo/' BUT\n // which does not have a '/' to the right of it.\n // E.g. with '/foo/*' these will match: '/foo/bar', '/foo/bar.txt' but\n // these will not '/foo/bar/baz', '/foo/bar/baz.txt'\n // Lastely, when globstar is _true_, '/foo/**' is equivelant to '/foo/*' when\n // globstar is _false_\n var globstar = opts ? !!opts.globstar : false;\n\n // If we are doing extended matching, this boolean is true when we are inside\n // a group (eg {*.html,*.js}), and false otherwise.\n var inGroup = false;\n\n // RegExp flags (eg \"i\" ) to pass in to RegExp constructor.\n var flags = opts && typeof opts.flags === 'string' ? opts.flags : '';\n\n var c;\n for (var i = 0, len = str.length; i < len; i++) {\n c = str[i];\n\n switch (c) {\n case '/':\n case '$':\n case '^':\n case '+':\n case '.':\n case '(':\n case ')':\n case '=':\n case '!':\n case '|':\n reStr += '\\\\' + c;\n break;\n\n // @ts-ignore\n case '?':\n if (extended) {\n reStr += '.';\n break;\n }\n\n case '[':\n // @ts-ignore\n case ']':\n if (extended) {\n reStr += c;\n break;\n }\n\n // @ts-ignore\n case '{':\n if (extended) {\n inGroup = true;\n reStr += '(';\n break;\n }\n\n // @ts-ignore\n case '}':\n if (extended) {\n inGroup = false;\n reStr += ')';\n break;\n }\n\n case ',':\n if (inGroup) {\n reStr += '|';\n break;\n }\n reStr += '\\\\' + c;\n break;\n\n case '*':\n // Move over all consecutive \"*\"'s.\n // Also store the previous and next characters\n var prevChar = str[i - 1];\n var starCount = 1;\n while (str[i + 1] === '*') {\n starCount++;\n i++;\n }\n var nextChar = str[i + 1];\n\n if (!globstar) {\n // globstar is disabled, so treat any number of \"*\" as one\n reStr += '.*';\n } else {\n // globstar is enabled, so determine if this is a globstar segment\n var isGlobstar =\n starCount > 1 && // multiple \"*\"'s\n (prevChar === '/' || prevChar === undefined) && // from the start of the segment\n (nextChar === '/' || nextChar === undefined); // to the end of the segment\n\n if (isGlobstar) {\n // it's a globstar, so match zero or more path segments\n reStr += '((?:[^/]*(?:/|$))*)';\n i++; // move over the \"/\"\n } else {\n // it's not a globstar, so only match one path segment\n reStr += '([^/]*)';\n }\n }\n break;\n\n default:\n reStr += c;\n }\n }\n\n // When regexp 'g' flag is specified don't\n // constrain the regular expression with ^ & $\n if (!flags || !~flags.indexOf('g')) {\n reStr = '^' + reStr + '$';\n }\n\n return new RegExp(reStr, flags);\n}\n","import { existsSync, lstatSync, readdirSync, readFileSync, writeFileSync } from 'fs';\nimport { dirname, join } from 'path';\n\nimport { globToRegExp } from './glob-to-regexp';\nimport type { Ngssc, Variant } from './ngssc';\n\nexport function insert(\n options: { dryRun?: boolean; recursive?: boolean; directory?: string } = {},\n) {\n const directory = options.directory || process.cwd();\n if (options.recursive) {\n walk(directory, '**/ngssc.json')\n .map((f) => dirname(f))\n .forEach((d) => insertWithNgssc(d, !!options.dryRun));\n } else {\n insertWithNgssc(directory, !!options.dryRun);\n }\n}\n\nfunction insertWithNgssc(directory: string, dryRun: boolean) {\n const ngsscPath = join(directory, 'ngssc.json');\n if (!existsSync(ngsscPath)) {\n throw new Error(`${ngsscPath} does not exist!`);\n }\n\n const ngssc: Ngssc = JSON.parse(readFileSync(ngsscPath, 'utf8'));\n const populatedVariables = populateVariables(ngssc.environmentVariables);\n log(`Populated environment variables (Variant: ${ngssc.variant}, ${ngsscPath})`);\n Object.keys(populatedVariables).forEach((k) => ` ${k}: ${populatedVariables[k]}`);\n const iife = generateIife(ngssc.variant, populatedVariables);\n const htmlPattern = ngssc.filePattern || 'index.html';\n const htmlFiles = walk(directory, htmlPattern);\n if (!htmlFiles.length) {\n log(`No files found with pattern ${htmlPattern} in ${directory}`);\n return;\n }\n\n log(`Configuration will be inserted into ${htmlFiles.join(', ')}`);\n if (dryRun) {\n log('Dry run. Nothing will be inserted.');\n } else {\n htmlFiles.forEach((f) => insertIntoHtml(f, iife));\n }\n}\n\nfunction populateVariables(variables: string[]) {\n const populatedVariables: { [key: string]: string | null } = {};\n variables.forEach(\n (v) => (populatedVariables[v] = v in process.env ? process.env[v] || '' : null),\n );\n return populatedVariables;\n}\n\nfunction generateIife(variant: Variant, populatedVariables: { [key: string]: string | null }) {\n let iife: string;\n if (variant === 'NG_ENV') {\n iife = `(function(self){self.NG_ENV=${JSON.stringify(populatedVariables)};})(window)`;\n } else if (variant === 'global') {\n iife = `(function(self){Object.assign(self,${JSON.stringify(populatedVariables)});})(window)`;\n } else {\n iife = `(function(self){self.process=${JSON.stringify({ env: populatedVariables })};})(window)`;\n }\n return `<!--ngssc--><script>${iife}</script><!--/ngssc-->`;\n}\n\nfunction insertIntoHtml(file: string, iife: string) {\n const fileContent = readFileSync(file, 'utf8');\n if (/<!--ngssc-->[\\w\\W]*<!--\\/ngssc-->/.test(fileContent)) {\n writeFileSync(file, fileContent.replace(/<!--ngssc-->[\\w\\W]*<!--\\/ngssc-->/, iife), 'utf8');\n } else if (/<!--\\s*CONFIG\\s*-->/.test(fileContent)) {\n writeFileSync(file, fileContent.replace(/<!--\\s*CONFIG\\s*-->/, iife), 'utf8');\n } else if (fileContent.includes('</title>')) {\n writeFileSync(file, fileContent.replace('</title>', `</title>${iife}`), 'utf8');\n } else {\n writeFileSync(file, fileContent.replace('</head>', `${iife}</head>`), 'utf8');\n }\n}\n\nfunction walk(root: string, filePattern: string): string[] {\n const fileRegex = globToRegExp(filePattern, { extended: true, globstar: true, flags: 'ig' });\n const directory = root.replace(/\\\\/g, '/');\n return readdirSync(directory)\n .map((f) => `${directory}/${f}`)\n .map((f) => {\n const stat = lstatSync(f);\n if (stat.isDirectory()) {\n return walk(f, filePattern);\n } else if (stat.isFile() && fileRegex.test(f)) {\n return [f];\n } else {\n return [];\n }\n })\n .reduce((current, next) => current.concat(next), []);\n}\n\nfunction log(message: string) {\n // tslint:disable-next-line: no-console\n console.log(message);\n}\n","/**\n * Generated bundle index. 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