/
env.js
31 lines (28 loc) 路 843 Bytes
/
env.js
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const types = require('babel-types');
const matchesPattern = require('./matches-pattern');
module.exports = {
MemberExpression(node, asset) {
// Inline environment variables accessed on process.env
if (matchesPattern(node.object, 'process.env')) {
let key = types.toComputedKey(node);
if (types.isStringLiteral(key)) {
let prop = process.env[key.value];
if (typeof prop !== 'function') {
let value = types.valueToNode(prop);
morph(node, value);
asset.isAstDirty = true;
asset.cacheData.env[key.value] = process.env[key.value];
}
}
}
}
};
// replace object properties
function morph(object, newProperties) {
for (let key in object) {
delete object[key];
}
for (let key in newProperties) {
object[key] = newProperties[key];
}
}