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feat(core): allow field name to override slug placeholders (#2087)

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This commit is contained in:
Shawn Erquhart
2019-02-12 16:59:53 -05:00
committed by GitHub
parent 8ccbdf928e
commit ff8dfac813
2 changed files with 36 additions and 17 deletions
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21
packages/netlify-cms-core/src/backend.js
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@ -62,18 +62,31 @@ const dateParsers = {
};
const SLUG_MISSING_REQUIRED_DATE = 'SLUG_MISSING_REQUIRED_DATE';
const USE_FIELD_PREFIX = 'fields.';
// Allow `fields.` prefix in placeholder to override built in replacements
// like "slug" and "year" with values from fields of the same name.
function getExplicitFieldReplacement(key, data) {
if (!key.startsWith(USE_FIELD_PREFIX)) {
return;
}
const fieldName = key.substring(USE_FIELD_PREFIX.length);
return data.get(fieldName, '').trim();
}
function compileSlug(template, date, identifier = '', data = Map(), processor) {
let missingRequiredDate;
const slug = template.replace(/\{\{([^}]+)\}\}/g, (_, key) => {
let replacement;
if (dateParsers[key] && !date) {
const explicitFieldReplacement = getExplicitFieldReplacement(key, data);
if (explicitFieldReplacement) {
replacement = explicitFieldReplacement;
} else if (dateParsers[key] && !date) {
missingRequiredDate = true;
return '';
}
if (dateParsers[key]) {
} else if (dateParsers[key]) {
replacement = dateParsers[key](date);
} else if (key === 'slug') {
replacement = identifier.trim();