@ngrx/effects
Version:
Side effect model for @ngrx/store
130 lines • 6.75 kB
JavaScript
;
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.migrateConcatLatestFromImport = migrateConcatLatestFromImport;
exports.default = default_1;
var ts = require("typescript");
var schematics_1 = require("@angular-devkit/schematics");
var schematics_core_1 = require("../../schematics-core");
var change_1 = require("../../schematics-core/utility/change");
function migrateConcatLatestFromImport() {
return function (tree, ctx) {
(0, schematics_core_1.addPackageToPackageJson)(tree, 'dependencies', '@ngrx/operators', '^18.0.0');
(0, schematics_core_1.visitTSSourceFiles)(tree, function (sourceFile) {
var _a;
var importDeclarations = new Array();
getImportDeclarations(sourceFile, importDeclarations);
var effectsImportsAndDeclarations = importDeclarations
.map(function (effectsImportDeclaration) {
var effectsImports = getEffectsNamedBinding(effectsImportDeclaration);
if (effectsImports) {
if (effectsImports.elements.some(function (element) { return element.name.getText() === 'concatLatestFrom'; })) {
return { effectsImports: effectsImports, effectsImportDeclaration: effectsImportDeclaration };
}
return undefined;
}
else {
return undefined;
}
})
.filter(Boolean);
if (effectsImportsAndDeclarations.length === 0) {
return;
}
else if (effectsImportsAndDeclarations.length > 1) {
ctx.logger.info('[@ngrx/effects] Skipping because of multiple `concatLatestFrom` imports');
return;
}
var _b = __read(effectsImportsAndDeclarations, 1), effectsImportsAndDeclaration = _b[0];
if (!effectsImportsAndDeclaration) {
return;
}
var effectsImports = effectsImportsAndDeclaration.effectsImports, effectsImportDeclaration = effectsImportsAndDeclaration.effectsImportDeclaration;
var operatorsImportDeclaration = importDeclarations.find(function (node) {
return node.moduleSpecifier.getText().includes('@ngrx/operators');
});
var otherEffectsImports = effectsImports.elements
.filter(function (element) { return element.name.getText() !== 'concatLatestFrom'; })
.map(function (element) { return element.name.getText(); })
.join(', ');
var changes = [];
// Remove `concatLatestFrom` from @ngrx/effects and leave the other imports
if (otherEffectsImports) {
changes.push((0, schematics_core_1.createReplaceChange)(sourceFile, effectsImportDeclaration, effectsImportDeclaration.getText(), "import { ".concat(otherEffectsImports, " } from '@ngrx/effects';")));
}
// Remove complete @ngrx/effects import because it contains only `concatLatestFrom`
else {
changes.push((0, change_1.createRemoveChange)(sourceFile, effectsImportDeclaration, effectsImportDeclaration.getStart(), effectsImportDeclaration.getEnd() + 1));
}
var importAppendedInExistingDeclaration = false;
if ((_a = operatorsImportDeclaration === null || operatorsImportDeclaration === void 0 ? void 0 : operatorsImportDeclaration.importClause) === null || _a === void 0 ? void 0 : _a.namedBindings) {
var bindings = operatorsImportDeclaration.importClause.namedBindings;
if (ts.isNamedImports(bindings)) {
// Add import to existing @ngrx/operators
var updatedImports = __spreadArray(__spreadArray([], __read(bindings.elements.map(function (element) { return element.name.getText(); })), false), [
'concatLatestFrom',
], false);
var newOperatorsImport = "import { ".concat(updatedImports.join(', '), " } from '@ngrx/operators';");
changes.push((0, schematics_core_1.createReplaceChange)(sourceFile, operatorsImportDeclaration, operatorsImportDeclaration.getText(), newOperatorsImport));
importAppendedInExistingDeclaration = true;
}
}
if (!importAppendedInExistingDeclaration) {
// Add new @ngrx/operators import line
var newOperatorsImport = "import { concatLatestFrom } from '@ngrx/operators';";
changes.push(new schematics_core_1.InsertChange(sourceFile.fileName, effectsImportDeclaration.getEnd() + 1, "".concat(newOperatorsImport, "\n") // not os-independent for snapshot tests
));
}
(0, schematics_core_1.commitChanges)(tree, sourceFile.fileName, changes);
if (changes.length) {
ctx.logger.info("[@ngrx/effects] Updated concatLatestFrom to import from '@ngrx/operators'");
}
});
};
}
function getImportDeclarations(node, imports) {
if (ts.isImportDeclaration(node)) {
imports.push(node);
}
ts.forEachChild(node, function (childNode) {
return getImportDeclarations(childNode, imports);
});
}
function getEffectsNamedBinding(node) {
var _a;
var namedBindings = (_a = node === null || node === void 0 ? void 0 : node.importClause) === null || _a === void 0 ? void 0 : _a.namedBindings;
if (node.moduleSpecifier.getText().includes('@ngrx/effects') &&
namedBindings &&
ts.isNamedImports(namedBindings)) {
return namedBindings;
}
return null;
}
function default_1() {
return (0, schematics_1.chain)([migrateConcatLatestFromImport()]);
}
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