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BREAKING: Remove Deno.EOF, use null instead (#4953)

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Nayeem Rahman 2020-04-28 17:40:43 +01:00 • committed by GitHub
parent 47c2f034e9
commit 678313b176
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46 changed files with 329 additions and 325 deletions
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14
std/encoding/csv.ts
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@ -64,12 +64,12 @@ async function readRecord(
Startline: number,
reader: BufReader,
opt: ReadOptions = { comma: ",", trimLeadingSpace: false }
): Promise<string[] | Deno.EOF> {
): Promise<string[] | null> {
const tp = new TextProtoReader(reader);
const lineIndex = Startline;
let line = await readLine(tp);
if (line === Deno.EOF) return Deno.EOF;
if (line === null) return null;
if (line.length === 0) {
return [];
}
@ -147,7 +147,7 @@ async function readRecord(
// Hit end of line (copy all data so far).
recordBuffer += line;
const r = await readLine(tp);
if (r === Deno.EOF) {
if (r === null) {
if (!opt.lazyQuotes) {
quoteError = ERR_QUOTE;
break parseField;
@ -182,13 +182,13 @@ async function readRecord(
}
async function isEOF(tp: TextProtoReader): Promise<boolean> {
return (await tp.r.peek(0)) === Deno.EOF;
return (await tp.r.peek(0)) === null;
}
async function readLine(tp: TextProtoReader): Promise<string | Deno.EOF> {
async function readLine(tp: TextProtoReader): Promise<string | null> {
let line: string;
const r = await tp.readLine();
if (r === Deno.EOF) return Deno.EOF;
if (r === null) return null;
line = r;
// For backwards compatibility, drop trailing \r before EOF.
@ -226,7 +226,7 @@ export async function readMatrix(
for (;;) {
const r = await readRecord(lineIndex, reader, opt);
if (r === Deno.EOF) break;
if (r === null) break;
lineResult = r;
lineIndex++;
// If fieldsPerRecord is 0, Read sets it to