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prepare to async: stricter checks

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This change is in preparation of the future async refactoring by Ray. It tries
to extract as many changes in boolean conditions as possible, in order to make
more evident identifying eventual logic bugs in the future work.

This proved already useful in at least one case.

BEWARE: this commit exposes an incoherency in the DB API, in which, depending
on the driver used, some functions can return null or undefined. This condition
will be externally fixed by the final commit in this series ("db/DB.js: prevent
DB layer from returning undefined"). Until that commit, the code base may have
some bugs.
This commit is contained in:
muxator 2019-03-01 09:43:41 +01:00
parent e841798314
commit 11453d544c
7 changed files with 36 additions and 36 deletions
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32
src/node/db/API.js
View file

@ -192,7 +192,7 @@ Example returns:
exports.getText = function(padID, rev, callback)
{
// check if rev is a number
if (rev !== undefined && typeof rev != "number") {
if (rev !== undefined && typeof rev !== "number") {
// try to parse the number
if (isNaN(parseInt(rev))) {
callback(new customError("rev is not a number", "apierror"));
@ -256,7 +256,7 @@ Example returns:
exports.setText = function(padID, text, callback)
{
// text is required
if (typeof text != "string") {
if (typeof text !== "string") {
callback(new customError("text is not a string", "apierror"));
return;
}
@ -285,7 +285,7 @@ Example returns:
exports.appendText = function(padID, text, callback)
{
// text is required
if (typeof text != "string") {
if (typeof text !== "string") {
callback(new customError("text is not a string", "apierror"));
return;
}
@ -311,7 +311,7 @@ Example returns:
*/
exports.getHTML = function(padID, rev, callback)
{
if (rev !== undefined && typeof rev != "number") {
if (rev !== undefined && typeof rev !== "number") {
if (isNaN(parseInt(rev))) {
callback(new customError("rev is not a number", "apierror"));
return;
@ -375,7 +375,7 @@ Example returns:
exports.setHTML = function(padID, html, callback)
{
// html is required
if (typeof html != "string") {
if (typeof html !== "string") {
callback(new customError("html is not a string", "apierror"));
return;
}
@ -471,7 +471,7 @@ Example returns:
exports.appendChatMessage = function(padID, text, authorID, time, callback)
{
// text is required
if (typeof text != "string") {
if (typeof text !== "string") {
callback(new customError("text is not a string", "apierror"));
return;
}
@ -557,7 +557,7 @@ Example returns:
exports.saveRevision = function(padID, rev, callback)
{
// check if rev is a number
if (rev !== undefined && typeof rev != "number") {
if (rev !== undefined && typeof rev !== "number") {
// try to parse the number
if (isNaN(parseInt(rev))) {
callback(new customError("rev is not a number", "apierror"));
@ -636,7 +636,7 @@ exports.createPad = function(padID, text, callback)
{
if (padID) {
// ensure there is no $ in the padID
if (padID.indexOf("$") != -1) {
if (padID.indexOf("$") !== -1) {
callback(new customError("createPad can't create group pads", "apierror"));
return;
}
@ -682,7 +682,7 @@ exports.deletePad = function(padID, callback)
exports.restoreRevision = function(padID, rev, callback)
{
// check if rev is a number
if (rev !== undefined && typeof rev != "number") {
if (rev !== undefined && typeof rev !== "number") {
// try to parse the number
if (isNaN(parseInt(rev))) {
callback(new customError("rev is not a number", "apierror"));
@ -838,7 +838,7 @@ exports.getPadID = function(roID, callback)
readOnlyManager.getPadId(roID, function(err, retrievedPadID) {
if (ERR(err, callback)) return;
if (retrievedPadID == null) {
if (retrievedPadID === null) {
callback(new customError("padID does not exist", "apierror"));
return;
}
@ -858,7 +858,7 @@ Example returns:
exports.setPublicStatus = function(padID, publicStatus, callback)
{
// ensure this is a group pad
if (padID && padID.indexOf("$") == -1) {
if (padID && padID.indexOf("$") === -1) {
callback(new customError("You can only get/set the publicStatus of pads that belong to a group", "apierror"));
return;
}
@ -868,7 +868,7 @@ exports.setPublicStatus = function(padID, publicStatus, callback)
if (ERR(err, callback)) return;
// convert string to boolean
if (typeof publicStatus == "string")
if (typeof publicStatus === "string")
publicStatus = publicStatus == "true" ? true : false;
// set the password
@ -1045,7 +1045,7 @@ Example returns:
*/
exports.createDiffHTML = function(padID, startRev, endRev, callback) {
// check if startRev is a number
if (startRev !== undefined && typeof startRev != "number") {
if (startRev !== undefined && typeof startRev !== "number") {
// try to parse the number
if (isNaN(parseInt(startRev))) {
callback({stop: "startRev is not a number"});
@ -1056,7 +1056,7 @@ exports.createDiffHTML = function(padID, startRev, endRev, callback) {
}
// check if endRev is a number
if (endRev !== undefined && typeof endRev != "number") {
if (endRev !== undefined && typeof endRev !== "number") {
// try to parse the number
if (isNaN(parseInt(endRev))) {
callback({stop: "endRev is not a number"});
@ -1119,13 +1119,13 @@ function is_int(value)
// gets a pad safe
function getPadSafe(padID, shouldExist, text, callback)
{
if (typeof text == "function") {
if (typeof text === "function") {
callback = text;
text = null;
}
// check if padID is a string
if (typeof padID != "string") {
if (typeof padID !== "string") {
callback(new customError("padID is not a string", "apierror"));
return;
}