graphile-utils/node8plus/makeAddPgTableOrderByPlugin.js

Utilities to help with building graphile-build plugins

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.orderByAscDesc = void 0;
function makeAddPgTableOrderByPlugin(schemaName, tableName, ordersGenerator, hint = `Adding orders with makeAddPgTableOrderByPlugin to "${schemaName}"."${tableName}"`) {
    const displayName = `makeAddPgTableOrderByPlugin_${schemaName}_${tableName}`;
    const plugin = builder => {
        builder.hook("GraphQLEnumType:values", (values, build, context) => {
            const { extend } = build;
            const { scope: { isPgRowSortEnum, pgIntrospection: table }, } = context;
            if (!isPgRowSortEnum ||
                !table ||
                table.kind !== "class" ||
                table.namespaceName !== schemaName ||
                table.name !== tableName) {
                return values;
            }
            const newValues = ordersGenerator(build);
            return extend(values, newValues, hint);
        });
    };
    plugin.displayName = displayName;
    return plugin;
}
exports.default = makeAddPgTableOrderByPlugin;
function orderByAscDesc(baseName, columnOrSqlFragment, uniqueOrOptions = false) {
    const options = typeof uniqueOrOptions === "boolean"
        ? { unique: uniqueOrOptions }
        : uniqueOrOptions !== null && uniqueOrOptions !== void 0 ? uniqueOrOptions : {};
    const { unique = false, nulls } = options;
    if (typeof unique !== "boolean") {
        throw new Error(`Invalid value for "unique" passed to orderByAscDesc for ${baseName}. Unique must be a boolean.`);
    }
    const isValidNullsOption = [
        "first",
        "last",
        "first-iff-ascending",
        "last-iff-ascending",
        undefined,
    ].includes(nulls);
    if (!isValidNullsOption) {
        throw new Error(`Invalid value for "nulls" passed to orderByAscDesc for ${baseName}. Nulls must be sorted by one of: undefined | "first" | "last" | "first-iff-ascending" | "last-iff-ascending".`);
    }
    const defaultAscendingSpec = [columnOrSqlFragment, true];
    const defaultDescendingSpec = [columnOrSqlFragment, false];
    const ascendingSpec = typeof nulls === "undefined"
        ? defaultAscendingSpec
        : [
            ...defaultAscendingSpec,
            ["first", "first-iff-ascending"].includes(nulls),
        ];
    const descendingSpec = typeof nulls === "undefined"
        ? defaultDescendingSpec
        : [
            ...defaultDescendingSpec,
            ["first", "last-iff-ascending"].includes(nulls),
        ];
    const orders = {
        [`${baseName}_ASC`]: {
            value: {
                alias: `${baseName}_ASC`,
                specs: [ascendingSpec],
                unique,
            },
        },
        [`${baseName}_DESC`]: {
            value: {
                alias: `${baseName}_DESC`,
                specs: [descendingSpec],
                unique,
            },
        },
    };
    return orders;
}
exports.orderByAscDesc = orderByAscDesc;
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