51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
import { object } from "zod";
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import { Dispatch } from "./Dispatch";
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import { ILogItem } from "./ILogItem";
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import { LogLevel } from "./LogLevel";
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export class FormattedDispatch extends Dispatch {
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private formatString: string = "%t %l <%o>: %m";
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private levelFixedLength = Object.keys(LogLevel).reduce((acc, cur) => cur.length > acc ? cur.length : acc, 0)
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private fmtPart(x: any) {
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switch (typeof x) {
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case "string":
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case "number":
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return x;
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case "object":
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return JSON.stringify(x, null, 2);
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default:
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return x;
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}
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}
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format(item: ILogItem): string {
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let data;
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// Array to string
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if (Array.isArray(item.data))
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data = item.data
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.map((item: any) => this.fmtPart(item))
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.join(" ");
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else data = this.fmtPart(item.data);
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return this.formatString
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.replace("%t", item.timestamp.toISOString())
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.replace("%l", LogLevel[item.level].padEnd(this.levelFixedLength))
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.replace("%o", item.origin || "")
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.replace(
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"%m",
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data);
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}
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process(item: ILogItem): void {
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if (item.flags?.includes("formatting:none")) return super.process(item);
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else if (item.flags?.includes("formatting:json_string")) return super.process({...item, data: JSON.stringify(item.data)});
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else if (item.flags?.includes("formatting:pretty_json_string")) return super.process({...item, data: JSON.stringify(item.data, null, 2)});
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super.process({
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...item,
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data: this.format(item),
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});
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}
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}
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