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48 lines
1.8 KiB
48 lines
1.8 KiB
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _path = require('path');
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var _path2 = _interopRequireDefault(_path);
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var _isWindows = require('./is-windows');
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var _isWindows2 = _interopRequireDefault(_isWindows);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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exports.default = commandConvert;
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/**
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* Converts an environment variable usage to be appropriate for the current OS
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* @param {String} command Command to convert
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* @param {Object} env Map of the current environment variable names and their values
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* @param {boolean} normalize If the command should be normalized using `path`
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* after converting
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* @returns {String} Converted command
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*/
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function commandConvert(command, env) {
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var normalize = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
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if (!(0, _isWindows2.default)()) {
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return command;
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}
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var envUnixRegex = /\$(\w+)|\${(\w+)}/g; // $my_var or ${my_var}
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var convertedCmd = command.replace(envUnixRegex, function (match, $1, $2) {
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var varName = $1 || $2;
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// In Windows, non-existent variables are not replaced by the shell,
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// so for example "echo %FOO%" will literally print the string "%FOO%", as
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// opposed to printing an empty string in UNIX. See kentcdodds/cross-env#145
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// If the env variable isn't defined at runtime, just strip it from the command entirely
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return env[varName] ? `%${varName}%` : '';
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});
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// Normalization is required for commands with relative paths
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// For example, `./cmd.bat`. See kentcdodds/cross-env#127
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// However, it should not be done for command arguments.
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// See https://github.com/kentcdodds/cross-env/pull/130#issuecomment-319887970
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return normalize === true ? _path2.default.normalize(convertedCmd) : convertedCmd;
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}
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