@aws-cdk/core
Version:
AWS Cloud Development Kit Core Library
34 lines • 3.69 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.shouldFollow = void 0;
const fs = require("fs");
const path = require("path");
const options_1 = require("./options");
/**
* Determines whether a symlink should be followed or not, based on a FollowMode.
*
* @param mode the FollowMode.
* @param sourceRoot the root of the source tree.
* @param realPath the real path of the target of the symlink.
*
* @returns true if the link should be followed.
*/
function shouldFollow(mode, sourceRoot, realPath) {
switch (mode) {
case options_1.SymlinkFollowMode.ALWAYS:
return fs.existsSync(realPath);
case options_1.SymlinkFollowMode.EXTERNAL:
return !_isInternal() && fs.existsSync(realPath);
case options_1.SymlinkFollowMode.BLOCK_EXTERNAL:
return _isInternal() && fs.existsSync(realPath);
case options_1.SymlinkFollowMode.NEVER:
return false;
default:
throw new Error(`Unsupported FollowMode: ${mode}`);
}
function _isInternal() {
return path.resolve(realPath).startsWith(path.resolve(sourceRoot));
}
}
exports.shouldFollow = shouldFollow;
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