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silverbullet/common/spaces/plug_space_primitives.ts

126 lines
3.0 KiB
TypeScript

import { SpacePrimitives } from "../../common/spaces/space_primitives.ts";
import { FileMeta } from "$sb/types.ts";
import {
NamespaceOperation,
PlugNamespaceHook,
} from "../hooks/plug_namespace.ts";
export class PlugSpacePrimitives implements SpacePrimitives {
constructor(
private wrapped: SpacePrimitives,
private hook: PlugNamespaceHook,
private env?: string,
) {}
// Used e.g. by the sync engine to see if it should sync a certain path (likely not the case when we have a plug space override)
public isLikelyHandled(path: string): boolean {
for (
const { pattern } of this.hook.spaceFunctions
) {
if (path.match(pattern)) {
return true;
}
}
return false;
}
performOperation(
type: NamespaceOperation,
path: string,
...args: any[]
): Promise<any> | false {
for (
const { operation, pattern, plug, name, env } of this.hook.spaceFunctions
) {
// console.log("Going to match agains pattern", pattern, path);
if (
operation === type && path.match(pattern) &&
(!this.env || (env && env === this.env))
) {
return plug.invoke(name, [path, ...args]);
}
}
return false;
}
async fetchFileList(): Promise<FileMeta[]> {
const allFiles: FileMeta[] = [];
for (const { plug, name, operation, env } of this.hook.spaceFunctions) {
if (
operation === "listFiles" && (!this.env || (env && env === this.env))
) {
try {
for (const pm of await plug.invoke(name, [])) {
allFiles.push(pm);
}
} catch (e: any) {
if (!e.message.includes("not available")) {
// Don't report "not available in" environments errors
console.error("Error listing files", e);
}
}
}
}
const files = await this.wrapped.fetchFileList();
for (const pm of files) {
allFiles.push(pm);
}
return allFiles;
}
async readFile(
name: string,
): Promise<{ data: Uint8Array; meta: FileMeta }> {
const result: { data: Uint8Array; meta: FileMeta } | false = await this
.performOperation(
"readFile",
name,
);
if (result) {
return result;
}
return this.wrapped.readFile(name);
}
getFileMeta(name: string): Promise<FileMeta> {
const result = this.performOperation("getFileMeta", name);
if (result) {
return result;
}
return this.wrapped.getFileMeta(name);
}
writeFile(
name: string,
data: Uint8Array,
selfUpdate?: boolean,
meta?: FileMeta,
): Promise<FileMeta> {
const result = this.performOperation(
"writeFile",
name,
data,
selfUpdate,
meta,
);
if (result) {
return result;
}
return this.wrapped.writeFile(
name,
data,
selfUpdate,
meta,
);
}
deleteFile(name: string): Promise<void> {
const result = this.performOperation("deleteFile", name);
if (result) {
return result;
}
return this.wrapped.deleteFile(name);
}
}