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file.ts
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file.ts
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import { JDDContext } from "../index.js";
import { ComponentArgument } from "./component-argument.js";
import { FilePointer } from "@sealcode/file-manager";
type FileReceivedType = {
old: FilePointer | null;
new: FilePointer[] | FilePointer | null;
};
type FileFormDataType = {
old: string | null;
new?: unknown; // the browser will take care of setting a value to thag attribute via html input, we don't need to model this
};
export class File extends ComponentArgument<
FilePointer | null,
string | null,
FileReceivedType
> {
constructor() {
super();
}
getTypeName() {
return "file";
}
getEmptyValue() {
return null;
}
getSubArgument() {
return <const>[null, [] as string[], null];
}
async getExampleValue(_context: JDDContext): Promise<FilePointer | null> {
return null;
}
countWords(): number {
return 0;
}
async receivedToParsed(_context: JDDContext, value: FileReceivedType) {
if (value.new && Array.isArray(value.new)) {
if (value.new.length == 0) {
return value.old || null;
} else if (value.new.length == 1) {
await value.new[0].save(true);
return value.new[0];
} else {
await Promise.all(value.new.map((f) => f.save(true)));
return value.new;
}
} else {
return value.old || null;
}
}
async parsedToStorage(_context: JDDContext, value: FilePointer | null) {
if (!value) {
return null;
}
await value.save(true);
return value.token;
}
async storageToParsed(
context: JDDContext,
value: string | null
): Promise<FilePointer | null> {
return value ? context.file_manager.fromToken(value) : null;
}
async parsedToFormData(
_context: JDDContext,
value: FilePointer | null
): Promise<FileFormDataType> {
return { old: value?.token || null };
}
}

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file.ts (1 KB)

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