@neocomplexx/ngx-neo-completer
Version:
This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 7.0.5.
118 lines • 13.9 kB
JavaScript
import { Subject } from 'rxjs';
import { isNil } from '../globals';
export class CompleterBaseData extends Subject {
constructor() {
super();
}
cancel() {
return;
}
searchFields(searchFields) {
this._searchFields = searchFields;
return this;
}
titleField(titleField) {
this._titleField = titleField;
return this;
}
descriptionField(descriptionField) {
this._descriptionField = descriptionField;
return this;
}
imageField(imageField) {
this._imageField = imageField;
return this;
}
convertToItem(data) {
let image = null;
let formattedText;
let formattedDesc = null;
if (this._titleField) {
formattedText = this.extractTitle(data);
}
else {
formattedText = data;
}
if (typeof formattedText !== 'string') {
formattedText = JSON.stringify(formattedText);
}
if (this._descriptionField) {
formattedDesc = this.extractValue(data, this._descriptionField);
}
if (this._imageField) {
image = this.extractValue(data, this._imageField);
}
if (isNil(formattedText)) {
return null;
}
return {
description: formattedDesc,
image,
originalObject: data,
title: formattedText
};
}
extractMatches(data, term) {
let matches = [];
const searchFields = this._searchFields ? this._searchFields.split(',') : null;
if (this._searchFields !== null && this._searchFields !== undefined && term !== '') {
matches = data.filter((item) => {
const values = searchFields ? this.extractBySearchFields(searchFields, item) : [item];
return values.some((value) => value
.toString()
.toLowerCase()
.indexOf(term.toString().toLowerCase()) >= 0);
});
}
else {
matches = data;
}
return matches;
}
extractTitle(item) {
// split title fields and run extractValue for each and join with ' '
if (!this._titleField) {
return '';
}
return this._titleField.split(',')
.map((field) => {
return this.extractValue(item, field);
})
.reduce((acc, titlePart) => acc ? `${acc} ${titlePart}` : titlePart);
}
extractValue(obj, key) {
let keys;
let result;
if (key) {
keys = key.split('.');
result = obj;
for (key of keys) {
if (result) {
result = result[key];
}
}
}
else {
result = obj;
}
return result;
}
processResults(matches) {
let i;
const results = [];
if (matches && matches.length > 0) {
for (i = 0; i < matches.length; i++) {
const item = this.convertToItem(matches[i]);
if (item) {
results.push(item);
}
}
}
return results;
}
extractBySearchFields(searchFields, item) {
return searchFields
.map((searchField) => this.extractValue(item, searchField)).filter((value) => !!value);
}
}
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{ Subject } from 'rxjs';\n\nimport { CompleterItem } from '../components/completer-item';\nimport { CompleterData } from './completer-data';\nimport { isNil } from '../globals';\n\nexport abstract class CompleterBaseData extends Subject<CompleterItem[] | null> implements CompleterData {\n\n\n    protected _searchFields: string | null;\n    protected _titleField: string | null;\n    protected _descriptionField: string;\n    protected _imageField: string;\n\n    constructor() {\n        super();\n    }\n\n    public abstract search(term: string): void;\n\n    public cancel() {\n        return;\n    }\n\n    public searchFields(searchFields: string | null) {\n        this._searchFields = searchFields;\n        return this;\n    }\n\n    public titleField(titleField: string | null) {\n        this._titleField = titleField;\n        return this;\n    }\n\n    public descriptionField(descriptionField: string) {\n        this._descriptionField = descriptionField;\n        return this;\n    }\n\n    public imageField(imageField: string) {\n        this._imageField = imageField;\n        return this;\n    }\n\n    public convertToItem(data: any) {\n        let image: string | null = null;\n        let formattedText: string;\n        let formattedDesc: string | null = null;\n\n        if (this._titleField) {\n            formattedText = this.extractTitle(data);\n        } else {\n            formattedText = data;\n        }\n\n        if (typeof formattedText !== 'string') {\n            formattedText = JSON.stringify(formattedText);\n        }\n\n        if (this._descriptionField) {\n            formattedDesc = this.extractValue(data, this._descriptionField);\n        }\n\n        if (this._imageField) {\n            image = this.extractValue(data, this._imageField);\n        }\n\n        if (isNil(formattedText)) {\n            return null;\n        }\n\n        return {\n            description: formattedDesc,\n            image,\n            originalObject: data,\n            title: formattedText\n        } as CompleterItem;\n\n    }\n\n    protected extractMatches(data: any[], term: string) {\n        let matches: any[] = [];\n        const searchFields = this._searchFields ? this._searchFields.split(',') : null;\n        if (this._searchFields !== null && this._searchFields !== undefined && term !== '') {\n            matches = data.filter((item) => {\n                const values: any[] = searchFields ? this.extractBySearchFields(searchFields, item) : [item];\n                return values.some((value) => value\n                    .toString()\n                    .toLowerCase()\n                    .indexOf(term.toString().toLowerCase()) >= 0\n                );\n            });\n        } else {\n            matches = data;\n        }\n\n        return matches;\n    }\n\n    protected extractTitle(item: any) {\n        // split title fields and run extractValue for each and join with ' '\n        if (!this._titleField) {\n            return '';\n        }\n\n        return this._titleField.split(',')\n            .map((field) => {\n                return this.extractValue(item, field);\n            })\n            .reduce((acc, titlePart) => acc ? `${acc} ${titlePart}` : titlePart);\n    }\n\n    protected extractValue(obj: any, key: string | null) {\n        let keys: string[];\n        let result: any;\n        if (key) {\n            keys = key.split('.');\n            result = obj;\n            for (key of keys) {\n                if (result) {\n                    result = result[key];\n                }\n            }\n        } else {\n            result = obj;\n        }\n        return result;\n    }\n\n    protected processResults(matches: string[]): CompleterItem[] {\n        let i: number;\n        const results: CompleterItem[] = [];\n\n        if (matches && matches.length > 0) {\n            for (i = 0; i < matches.length; i++) {\n                const item = this.convertToItem(matches[i]);\n                if (item) {\n                    results.push(item);\n                }\n            }\n        }\n        return results;\n    }\n\n    private extractBySearchFields(searchFields: string[], item: any) {\n        return searchFields\n            .map((searchField) => this.extractValue(item, searchField)).filter((value) => !!value);\n    }\n}\n"]}