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Monorepo with yarn workspaces requires yarn 3.2

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This commit is contained in:
Zef Hemel
2022-04-21 13:57:45 +02:00
parent 32f3501773
commit 1f842ec1d6
167 changed files with 10424 additions and 8263 deletions
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plugs/query/engine.ts
-193
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@@ -1,193 +0,0 @@
import { collectNodesOfType, findNodeOfType, replaceNodesMatching } from "../../common/tree";
import { lezerToParseTree } from "../../common/parse_tree";
// @ts-ignore
import { parser } from "./parse-query";
export type QueryProviderEvent = {
query: ParsedQuery;
pageName: string;
};
export type Filter = {
op: string;
prop: string;
value: any;
};
export type ParsedQuery = {
table: string;
orderBy?: string;
orderDesc?: boolean;
limit?: number;
filter: Filter[];
select?: string[];
};
export function parseQuery(query: string): ParsedQuery {
let n = lezerToParseTree(query, parser.parse(query).topNode);
// Clean the tree a bit
replaceNodesMatching(n, (n) => {
if (!n.type) {
let trimmed = n.text!.trim();
if (!trimmed) {
return null;
}
n.text = trimmed;
}
});
// console.log("Parsed", JSON.stringify(n, null, 2));
let queryNode = n.children![0];
let parsedQuery: ParsedQuery = {
table: queryNode.children![0].children![0].text!,
filter: [],
};
let orderByNode = findNodeOfType(queryNode, "OrderClause");
if (orderByNode) {
let nameNode = findNodeOfType(orderByNode, "Name");
parsedQuery.orderBy = nameNode!.children![0].text!;
let orderNode = findNodeOfType(orderByNode, "Order");
parsedQuery.orderDesc = orderNode
? orderNode.children![0].text! === "desc"
: false;
}
let limitNode = findNodeOfType(queryNode, "LimitClause");
if (limitNode) {
let nameNode = findNodeOfType(limitNode, "Number");
parsedQuery.limit = +nameNode!.children![0].text!;
}
let filterNodes = collectNodesOfType(queryNode, "FilterExpr");
for (let filterNode of filterNodes) {
let val: any = undefined;
let valNode = filterNode.children![2].children![0];
switch (valNode.type) {
case "Number":
val = valNode.children![0].text!;
break;
case "Bool":
val = valNode.children![0].text! === "true";
break;
case "Null":
val = null;
break;
case "Name":
val = valNode.children![0].text!;
break;
case "Regex":
val = valNode.children![0].text!;
val = val.substring(1, val.length - 1);
break;
case "String":
val = valNode.children![0].text!;
val = val.substring(1, val.length - 1);
break;
}
let f: Filter = {
prop: filterNode.children![0].children![0].text!,
op: filterNode.children![1].text!,
value: val,
};
parsedQuery.filter.push(f);
}
let selectNode = findNodeOfType(queryNode, "SelectClause");
if (selectNode) {
console.log("Select node", JSON.stringify(selectNode));
parsedQuery.select = [];
collectNodesOfType(selectNode, "Name").forEach((t) => {
parsedQuery.select!.push(t.children![0].text!);
});
// let nameNode = findNodeOfType(selectNode, "Number");
// parsedQuery.limit = +nameNode!.children![0].text!;
}
// console.log(JSON.stringify(queryNode, null, 2));
return parsedQuery;
}
export function applyQuery<T>(parsedQuery: ParsedQuery, records: T[]): T[] {
let resultRecords: any[] = [];
if (parsedQuery.filter.length === 0) {
resultRecords = records.slice();
} else {
recordLoop: for (let record of records) {
const recordAny: any = record;
for (let { op, prop, value } of parsedQuery.filter) {
switch (op) {
case "=":
if (!(recordAny[prop] == value)) {
continue recordLoop;
}
break;
case "!=":
if (!(recordAny[prop] != value)) {
continue recordLoop;
}
break;
case "<":
if (!(recordAny[prop] < value)) {
continue recordLoop;
}
break;
case "<=":
if (!(recordAny[prop] <= value)) {
continue recordLoop;
}
break;
case ">":
if (!(recordAny[prop] > value)) {
continue recordLoop;
}
break;
case ">=":
if (!(recordAny[prop] >= value)) {
continue recordLoop;
}
break;
case "=~":
// TODO: Cache regexps somehow
if (!new RegExp(value).exec(recordAny[prop])) {
continue recordLoop;
}
break;
case "!=~":
if (new RegExp(value).exec(recordAny[prop])) {
continue recordLoop;
}
break;
}
}
resultRecords.push(recordAny);
}
}
// Now the sorting
if (parsedQuery.orderBy) {
resultRecords = resultRecords.sort((a: any, b: any) => {
const orderBy = parsedQuery.orderBy!;
const orderDesc = parsedQuery.orderDesc!;
if (a[orderBy] === b[orderBy]) {
return 0;
}
if (a[orderBy] < b[orderBy]) {
return orderDesc ? 1 : -1;
} else {
return orderDesc ? -1 : 1;
}
});
}
if (parsedQuery.limit) {
resultRecords = resultRecords.slice(0, parsedQuery.limit);
}
if (parsedQuery.select) {
resultRecords = resultRecords.map((rec) => {
let newRec: any = {};
for (let k of parsedQuery.select!) {
newRec[k] = rec[k];
}
return newRec;
});
}
return resultRecords;
}