diff options
author | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-04-16 22:38:55 +0800 |
---|---|---|
committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-04-16 23:43:59 +0800 |
commit | d8ef76fd5efe63ec8f6205a73494ce388e64391f (patch) | |
tree | 22a5740584029830e37961136e229938b8f735f4 /packages/sol-resolver/src/resolvers/npm_resolver.ts | |
parent | e5cf41b3134d6cd5fdda995aa81ec23e51bb5145 (diff) | |
download | dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.tar dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.tar.gz dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.tar.bz2 dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.tar.lz dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.tar.xz dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.tar.zst dexon-sol-tools-d8ef76fd5efe63ec8f6205a73494ce388e64391f.zip |
Rename resolver to sol-resolver
Diffstat (limited to 'packages/sol-resolver/src/resolvers/npm_resolver.ts')
-rw-r--r-- | packages/sol-resolver/src/resolvers/npm_resolver.ts | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/packages/sol-resolver/src/resolvers/npm_resolver.ts b/packages/sol-resolver/src/resolvers/npm_resolver.ts new file mode 100644 index 000000000..2c0a44aad --- /dev/null +++ b/packages/sol-resolver/src/resolvers/npm_resolver.ts @@ -0,0 +1,34 @@ +import * as fs from 'fs'; +import * as path from 'path'; + +import { ContractSource } from '../types'; + +import { Resolver } from './resolver'; + +export class NPMResolver extends Resolver { + private _packagePath: string; + constructor(packagePath: string) { + super(); + this._packagePath = packagePath; + } + public resolveIfExists(importPath: string): ContractSource | undefined { + if (!importPath.startsWith('/')) { + const [packageName, ...other] = importPath.split('/'); + const pathWithinPackage = path.join(...other); + let currentPath = this._packagePath; + const ROOT_PATH = '/'; + while (currentPath !== ROOT_PATH) { + const lookupPath = path.join(currentPath, 'node_modules', packageName, pathWithinPackage); + if (fs.existsSync(lookupPath)) { + const fileContent = fs.readFileSync(lookupPath).toString(); + return { + source: fileContent, + path: lookupPath, + }; + } + currentPath = path.dirname(currentPath); + } + } + return undefined; + } +} |