@dotglitch/ngx-common
Version:
Angular components and utilities that are commonly used.
91 lines • 12.5 kB
JavaScript
import * as path from 'path-browserify';
export class DependencyParser {
constructor() {
this.REGEX_NODE_MODULE = /^node:([\w\W\/]+)$/;
}
// https://github.com/lukasbach/monaco-editor-auto-typings/commit/fc046e7d9a2abbb5121ad8ab25195d8c1c277416
parseDependencies(source, parent) {
const importRegex = /import *.+ *from *['"](?<importPath>.+?)['"]/g;
const dynamicImportRegex = /await import ?\(['"](?<importPath>.+?)['"]\)/g;
const cjsRequireRegex = /require *\(['"](?<importPath>.+?)['"]\)/g;
const matches = [
...source.matchAll(importRegex),
...source.matchAll(dynamicImportRegex),
...source.matchAll(cjsRequireRegex)
];
const importPaths = matches.map(match => match.groups?.['importPath']);
const result = importPaths.map(imp => this.resolvePath(imp, parent));
return result;
}
resolvePath(importPath, parent) {
const nodeImport = importPath.match(this.REGEX_NODE_MODULE);
if (nodeImport) {
return {
kind: 'relative-in-package',
packageName: '@types/node',
importPath: `${nodeImport[1]}.d.ts`,
sourcePath: '',
};
}
if (typeof parent === 'string') {
if (importPath.startsWith('.')) {
return {
kind: 'relative',
importPath,
sourcePath: parent,
};
}
else if (importPath.startsWith('@')) {
const segments = importPath.split('/');
return {
kind: 'package',
packageName: `${segments[0]}/${segments[1]}`,
importPath: segments.slice(2).join('/'),
};
}
else {
const segments = importPath.split('/');
return {
kind: 'package',
packageName: segments[0],
importPath: segments.slice(1).join('/'),
};
}
}
else {
switch (parent.kind) {
case 'package':
throw Error('TODO?');
case 'relative':
throw Error('TODO2?');
case 'relative-in-package':
if (importPath.startsWith('.')) {
return {
kind: 'relative-in-package',
packageName: parent.packageName,
sourcePath: path.join(parent.sourcePath, parent.importPath),
importPath: importPath,
};
}
else if (importPath.startsWith('@')) {
const segments = importPath.split('/');
return {
kind: 'package',
packageName: `${segments[0]}/${segments[1]}`,
importPath: segments.slice(2).join('/'),
};
}
else {
const segments = importPath.split('/');
return {
kind: 'package',
packageName: segments[0],
importPath: segments.slice(1).join('/'),
};
}
}
}
return null;
}
}
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* as path from 'path-browserify';\nimport { ImportResourcePath } from './types';\n\nexport class DependencyParser {\n    private REGEX_NODE_MODULE = /^node:([\\w\\W\\/]+)$/;\n\n    // https://github.com/lukasbach/monaco-editor-auto-typings/commit/fc046e7d9a2abbb5121ad8ab25195d8c1c277416\n    public parseDependencies(source: string, parent: ImportResourcePath | string): ImportResourcePath[] {\n        const importRegex = /import *.+ *from *['\"](?<importPath>.+?)['\"]/g;\n        const dynamicImportRegex = /await import ?\\(['\"](?<importPath>.+?)['\"]\\)/g;\n        const cjsRequireRegex = /require *\\(['\"](?<importPath>.+?)['\"]\\)/g;\n\n        const matches = [\n            ...source.matchAll(importRegex),\n            ...source.matchAll(dynamicImportRegex),\n            ...source.matchAll(cjsRequireRegex)\n        ];\n        const importPaths = matches.map(match => match.groups?.['importPath']);\n        const result = importPaths.map(imp => this.resolvePath(imp, parent));\n\n        return result\n    }\n\n    private resolvePath(importPath: string, parent: ImportResourcePath | string): ImportResourcePath {\n        const nodeImport = importPath.match(this.REGEX_NODE_MODULE);\n        if (nodeImport) {\n            return {\n                kind: 'relative-in-package',\n                packageName: '@types/node',\n                importPath: `${nodeImport[1]}.d.ts`,\n                sourcePath: '',\n            };\n        }\n\n        if (typeof parent === 'string') {\n            if (importPath.startsWith('.')) {\n                return {\n                    kind: 'relative',\n                    importPath,\n                    sourcePath: parent,\n                };\n            }\n            else if (importPath.startsWith('@')) {\n                const segments = importPath.split('/');\n                return {\n                    kind: 'package',\n                    packageName: `${segments[0]}/${segments[1]}`,\n                    importPath: segments.slice(2).join('/'),\n                };\n            }\n            else {\n                const segments = importPath.split('/');\n                return {\n                    kind: 'package',\n                    packageName: segments[0],\n                    importPath: segments.slice(1).join('/'),\n                };\n            }\n        }\n        else {\n            switch (parent.kind) {\n                case 'package':\n                    throw Error('TODO?');\n                case 'relative':\n                    throw Error('TODO2?');\n                case 'relative-in-package':\n                    if (importPath.startsWith('.')) {\n                        return {\n                            kind: 'relative-in-package',\n                            packageName: parent.packageName,\n                            sourcePath: path.join(parent.sourcePath, parent.importPath),\n                            importPath: importPath,\n                        };\n                    }\n                    else if (importPath.startsWith('@')) {\n                        const segments = importPath.split('/');\n                        return {\n                            kind: 'package',\n                            packageName: `${segments[0]}/${segments[1]}`,\n                            importPath: segments.slice(2).join('/'),\n                        };\n                    }\n                    else {\n                        const segments = importPath.split('/');\n                        return {\n                            kind: 'package',\n                            packageName: segments[0],\n                            importPath: segments.slice(1).join('/'),\n                        };\n                    }\n            }\n        }\n        return null;\n    }\n}\n"]}