@gitlab/ui
Version:
GitLab UI Components
87 lines (81 loc) • 2.37 kB
JavaScript
import { identity } from '../../../utils/identity';
import { isArray, isString, isObject, isFunction } from '../../../utils/inspect';
import { clone, keys } from '../../../utils/object';
import { startCase } from '../../../utils/string';
import { IGNORED_FIELD_KEYS } from './constants';
// Private function to massage field entry into common object format
const processField = (key, value) => {
let field = null;
if (isString(value)) {
// Label shortcut
field = {
key,
label: value
};
} else if (isFunction(value)) {
// Formatter shortcut
field = {
key,
formatter: value
};
} else if (isObject(value)) {
field = clone(value);
field.key = field.key || key;
} else if (value !== false) {
// Fallback to just key
/* istanbul ignore next */
field = {
key
};
}
return field;
};
// We normalize fields into an array of objects
// [ { key:..., label:..., ...}, {...}, ..., {..}]
const normalizeFields = (origFields, items) => {
const fields = [];
if (isArray(origFields)) {
// Normalize array Form
origFields.filter(identity).forEach(f => {
if (isString(f)) {
fields.push({
key: f,
label: startCase(f)
});
} else if (isObject(f) && f.key && isString(f.key)) {
// Full object definition. We use assign so that we don't mutate the original
fields.push(clone(f));
} else if (isObject(f) && keys(f).length === 1) {
// Shortcut object (i.e. { 'foo_bar': 'This is Foo Bar' }
const key = keys(f)[0];
const field = processField(key, f[key]);
if (field) {
fields.push(field);
}
}
});
}
// If no field provided, take a sample from first record (if exits)
if (fields.length === 0 && isArray(items) && items.length > 0) {
const sample = items[0];
keys(sample).forEach(k => {
if (!IGNORED_FIELD_KEYS[k]) {
fields.push({
key: k,
label: startCase(k)
});
}
});
}
// Ensure we have a unique array of fields and that they have String labels
const memo = {};
return fields.filter(f => {
if (!memo[f.key]) {
memo[f.key] = true;
f.label = isString(f.label) ? f.label : startCase(f.key);
return true;
}
return false;
});
};
export { normalizeFields };