16 lines
488 B
TypeScript
16 lines
488 B
TypeScript
import * as Lint from "tslint/lib";
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import * as ts from "typescript";
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export class Rule extends Lint.Rules.AbstractRule {
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public static FAILURE_STRING = "This file has a BOM.";
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public apply(sourceFile: ts.SourceFile): Lint.RuleFailure[] {
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return this.applyWithFunction(sourceFile, walk);
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}
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}
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function walk(ctx: Lint.WalkContext<void>): void {
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if (ctx.sourceFile.text[0] === "\ufeff") {
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ctx.addFailure(0, 1, Rule.FAILURE_STRING);
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}
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}
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