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applyDefaults.js
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applyDefaults.js
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'use strict';
module.exports = function applyDefaults(doc, fields, exclude, hasIncludedChildren, isBeforeSetters, pathsToSkip) {
const paths = Object.keys(doc.$__schema.paths);
const plen = paths.length;
for (let i = 0; i < plen; ++i) {
let def;
let curPath = '';
const p = paths[i];
if (p === '_id' && doc.$__.skipId) {
continue;
}
const type = doc.$__schema.paths[p];
const path = type.splitPath();
const len = path.length;
let included = false;
let doc_ = doc._doc;
for (let j = 0; j < len; ++j) {
if (doc_ == null) {
break;
}
const piece = path[j];
curPath += (!curPath.length ? '' : '.') + piece;
if (exclude === true) {
if (curPath in fields) {
break;
}
} else if (exclude === false && fields && !included) {
const hasSubpaths = type.$isSingleNested || type.$isMongooseDocumentArray;
if (curPath in fields || (hasSubpaths && hasIncludedChildren != null && hasIncludedChildren[curPath])) {
included = true;
} else if (hasIncludedChildren != null && !hasIncludedChildren[curPath]) {
break;
}
}
if (j === len - 1) {
if (doc_[piece] !== void 0) {
break;
}
if (isBeforeSetters != null) {
if (typeof type.defaultValue === 'function') {
if (!type.defaultValue.$runBeforeSetters && isBeforeSetters) {
break;
}
if (type.defaultValue.$runBeforeSetters && !isBeforeSetters) {
break;
}
} else if (!isBeforeSetters) {
// Non-function defaults should always run **before** setters
continue;
}
}
if (pathsToSkip && pathsToSkip[curPath]) {
break;
}
if (fields && exclude !== null) {
if (exclude === true) {
// apply defaults to all non-excluded fields
if (p in fields) {
continue;
}
try {
def = type.getDefault(doc, false);
} catch (err) {
doc.invalidate(p, err);
break;
}
if (typeof def !== 'undefined') {
doc_[piece] = def;
doc.$__.activePaths.default(p);
}
} else if (included) {
// selected field
try {
def = type.getDefault(doc, false);
} catch (err) {
doc.invalidate(p, err);
break;
}
if (typeof def !== 'undefined') {
doc_[piece] = def;
doc.$__.activePaths.default(p);
}
}
} else {
try {
def = type.getDefault(doc, false);
} catch (err) {
doc.invalidate(p, err);
break;
}
if (typeof def !== 'undefined') {
doc_[piece] = def;
doc.$__.activePaths.default(p);
}
}
} else {
doc_ = doc_[piece];
}
}
}
};