react-magnetic-di
Version:
Context driven dependency injection
70 lines (69 loc) • 4.02 kB
JavaScript
;
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
var PACKAGE_NAME = 'react-magnetic-di';
var PACKAGE_FUNCTION = 'di';
var INJECT_FUNCTION = 'injectable';
var isDiStatement = function isDiStatement(stm, spec) {
return stm.type === 'ExpressionStatement' && stm.expression && stm.expression.callee && stm.expression.callee.name === spec.name;
};
var calcImportSource = function calcImportSource(src) {
var _src$split = src.split('/'),
_src$split2 = _slicedToArray(_src$split, 2),
ns = _src$split2[0],
_src$split2$ = _src$split2[1],
value = _src$split2$ === void 0 ? '' : _src$split2$;
return ns.startsWith('@') ? ns + '/' + value : ns;
};
var getImportIdentifiers = function getImportIdentifiers(node, pkgName, impNames) {
var importSource = calcImportSource(node.source.value);
var importSpecifiers = node.specifiers.filter(function (s) {
return s.imported && (!impNames || impNames.includes(s.imported.name));
});
if (importSource === pkgName && importSpecifiers.length) {
return importSpecifiers.map(function (s) {
return s.local;
});
}
return null;
};
var getDiIdentifier = function getDiIdentifier(n) {
var _getImportIdentifiers;
return (_getImportIdentifiers = getImportIdentifiers(n, PACKAGE_NAME, [PACKAGE_FUNCTION])) === null || _getImportIdentifiers === void 0 ? void 0 : _getImportIdentifiers[0];
};
var getInjectIdentifier = function getInjectIdentifier(n) {
var _getImportIdentifiers2;
return (_getImportIdentifiers2 = getImportIdentifiers(n, PACKAGE_NAME, [INJECT_FUNCTION])) === null || _getImportIdentifiers2 === void 0 ? void 0 : _getImportIdentifiers2[0];
};
var getDiStatements = function getDiStatements(node, diIdentifier) {
return (node.body || []).reduce(function (acc, statement) {
return isDiStatement(statement, diIdentifier) ? acc.concat(statement) : acc;
}, []);
};
var getParentDiBlock = function getParentDiBlock(node, diIdentifier) {
// eslint-disable-next-line no-cond-assign
while (node = node.parent) {
if (node.type === 'BlockStatement') {
if (getDiStatements(node, diIdentifier).length) return node;
}
}
return null;
};
var getDiVars = function getDiVars(statements) {
return statements.reduce(function (acc, s) {
return acc.concat(s.expression.arguments);
}, []);
};
module.exports = {
isDiStatement: isDiStatement,
getDiIdentifier: getDiIdentifier,
getImportIdentifiers: getImportIdentifiers,
getInjectIdentifier: getInjectIdentifier,
getDiStatements: getDiStatements,
getParentDiBlock: getParentDiBlock,
getDiVars: getDiVars
};