@c11/engine.db
Version:
The engine db
131 lines • 9.91 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var isCyclic_1 = __importDefault(require("../fn/isCyclic"));
var decomposePath_1 = __importDefault(require("../fn/decomposePath"));
var err_1 = __importDefault(require("../fn/err"));
var isValidPath_1 = __importDefault(require("../fn/isValidPath"));
var clearNode_1 = __importDefault(require("../fn/clearNode"));
var triggerListener_1 = __importDefault(require("../fn/triggerListener"));
var pathTriggers_1 = __importDefault(require("../fn/pathTriggers"));
var expandNodeDeps_1 = __importDefault(require("../fn/expandNodeDeps"));
var invalidateCache_1 = __importDefault(require("../fn/invalidateCache"));
var updateTriggers_1 = __importDefault(require("../fn/updateTriggers"));
// !Importat.
// When adding a new node previous listeners should be refreshed
// in order to be triggered by updates on the node's
// dependencies
/**
* node
*
* Adds a dynamic node
*/
var node = function (db) { return function (path, deps, fn) {
var node = {
path: path,
deps: deps,
fn: fn,
};
if (fn instanceof Function === false) {
(0, err_1.default)(db, "/err/types/node/2", node);
return;
}
if (deps instanceof Array === false) {
(0, err_1.default)(db, "/err/types/node/2", node);
return;
}
// @TODO: Add this to warnings
/*
if (deps.length !== fn.length) {
err(db, '/err/types/node/4', node)
return
}
*/
var paths = deps.concat(path);
var validPaths = paths.filter(isValidPath_1.default);
if (validPaths.length !== paths.length) {
(0, err_1.default)(db, "/err/types/node/2", node);
return;
}
db.dynamic.deps[path] = deps;
if ((0, isCyclic_1.default)(db.dynamic.deps)) {
delete db.dynamic.deps[path];
(0, err_1.default)(db, "/err/types/node/3", node);
return;
}
db.dynamic.fns[path] = fn;
// @TODO: When adding in dynamic nesting always reorder
// based on the nesting depth - deepest last so that
// when iterating for computation the deepest nodes
// should be already computed when reaching the top
// ones.
//
// @TODO: Add the root to the nesting so that:
// db.get('/') also gets all the dynamic nodes in
var xs = (0, decomposePath_1.default)(path);
//@ts-ignore
xs.push("/");
xs.map(function (x) {
if (!db.dynamic.nesting[x]) {
db.dynamic.nesting[x] = [];
}
if (db.dynamic.nesting[x].indexOf(path) === -1) {
db.dynamic.nesting[x].push(path);
}
});
// @TODO: Based on this nesting create a new array that
// contains also the dependencies of the nested nodes
// thus generating the entire list of nodes.
// Also order them depth last
// nestingShallow
// nestingDeep
node.deps.forEach(function (x) {
if (!db.dynamic.reverseDeps[x]) {
db.dynamic.reverseDeps[x] = [node.path];
}
else {
db.dynamic.reverseDeps[x].push(node.path);
}
var dep = (0, decomposePath_1.default)(x);
dep.forEach(function (y) {
if (!db.dynamic.inverseDeps[y]) {
db.dynamic.inverseDeps[y] = [node.path];
}
else {
db.dynamic.inverseDeps[y].push(node.path);
}
});
});
(0, expandNodeDeps_1.default)(db.dynamic);
db.cache.dynamic[node.path] = [];
// Search for any cached values on the node.path
// as a result of requesting the path before the
// node was created
var reg = new RegExp("^" + node.path);
Object.keys(db.cache.paths).forEach(function (x) {
if (x.search(reg) !== -1) {
delete db.cache.paths[x];
}
});
(0, invalidateCache_1.default)(db, { full: [node.path] });
Object.keys(db.updates.fns).forEach(function (x) {
(0, updateTriggers_1.default)(db, x);
});
(0, pathTriggers_1.default)(db, path).map(function (x) {
(0, triggerListener_1.default)(db, x);
});
return function removeNode() {
var triggers = (0, pathTriggers_1.default)(db, path);
delete db.dynamic.fns[path];
(0, invalidateCache_1.default)(db, { full: [node.path] });
delete db.cache.dynamic[path];
(0, clearNode_1.default)(db.dynamic.nesting, path);
triggers.map(function (x) {
(0, triggerListener_1.default)(db, x);
});
};
}; };
exports.default = node;
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