@ngx-dummy/select-simple
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A simple select component to use in Angular / Ionic projects .. (WIP) and sample app using it
89 lines • 13.7 kB
JavaScript
/*!
* @ngx-dummy/select-Simple library
* Simple select created for angular / ionic projects.
* https://github.com/ngx-dummy/select-simple
*
* Copyright Vladimir Ovsyukov <ovsyukov@yandex.com>
* Published under MIT License
*/
import { SecurityContext } from '@angular/core';
export const imgBase64ToBlob = (Base64Image, imageType = 'image/png') => {
const parts = Base64Image.split(';base64,');
const decodedData = window.atob(parts[1]);
const uInt8Array = new Uint8Array(decodedData.length);
for (let i = 0; i < decodedData.length; ++i) {
uInt8Array[i] = decodedData.charCodeAt(i);
}
return new Blob([uInt8Array], { type: imageType });
};
export const svgToBase64src = (rawSvg) => 'data:image/svg+xml;base64,' + btoa(rawSvg);
export const prepRes = (item, sanitizer) => sanitizer.bypassSecurityTrustResourceUrl(item);
export const sanitizeHTML = (item, sanitizer) => sanitizer.sanitize(SecurityContext.HTML, item);
export const getSvgSafeRes = (file, sanitizer) => prepRes(svgToBase64src(file), sanitizer);
export const getPngSafeRes = (file, sanitizer) => prepRes(URL.createObjectURL(imgBase64ToBlob(file)), sanitizer);
export const blobToSafeRes = (blob, sanitizer) => prepRes(URL.createObjectURL(blob), sanitizer);
/**
*
* @param data - option value (could be simple string or complex object to resolve)
* @param field - the key (or complex lookup object key) of data object to resolve value by
* @returns resolved single option value (Input for SelectItem)
*/
export const resolveFieldData = (data, field) => {
if (isEmpty(data))
return null;
if (isString(data))
return data;
if (isSelectItem(data)) {
if (data['label'])
return data['label'];
if (data['value'])
data = data['value'];
}
if (field) {
if (isString(field) && field.indexOf('.') === -1) {
return data[field];
}
else if (isString(field)) {
const fields = field.split('.');
let value = data;
for (let i = 0, len = fields.length; i < len; ++i) {
if (value == null) {
return null;
}
value = value[fields[i]];
}
return resolveFieldData(value);
}
}
else {
return resolveFieldData(Object.values(data)[0]);
}
return null;
};
export const isValue = (obj) => obj !== undefined && obj !== null;
export const isEmpty = (obj) => !isValue(obj);
export const isString = (obj) => typeof obj === 'string';
export const isObject = (obj) => typeof obj !== 'string' && !Array.isArray(obj) && typeof obj === 'object';
export const isSelectItem = (obj) => (isObject(obj) && !!obj.value) || !!obj.label;
export const areEqual = (obj1, obj2, field) => {
if (isEmpty(obj1) || isEmpty(obj2))
return false;
if (isString(obj1) && isString(obj2))
return obj1 === obj2;
if (field)
return resolveFieldData(obj1, field) === resolveFieldData(obj2, field);
return JSON.stringify(obj1) === JSON.stringify(obj2);
};
export var OptionKeyboardEventHandleKeys;
(function (OptionKeyboardEventHandleKeys) {
OptionKeyboardEventHandleKeys["ArrowDown"] = "ArrowDown";
OptionKeyboardEventHandleKeys["Down"] = "Down";
OptionKeyboardEventHandleKeys["ArrowUp"] = "ArrowUp";
OptionKeyboardEventHandleKeys["Enter"] = "Enter";
OptionKeyboardEventHandleKeys["Escape"] = "Escape";
OptionKeyboardEventHandleKeys["Esc"] = "Esc";
OptionKeyboardEventHandleKeys["Up"] = "Up";
OptionKeyboardEventHandleKeys["Tab"] = "Tab";
OptionKeyboardEventHandleKeys["Space"] = " ";
})(OptionKeyboardEventHandleKeys || (OptionKeyboardEventHandleKeys = {}));
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i < decodedData.length; ++i) {\n\t\tuInt8Array[i] = decodedData.charCodeAt(i);\n\t}\n\treturn new Blob([uInt8Array], { type: imageType });\n};\n\nexport const svgToBase64src = (rawSvg: string) => 'data:image/svg+xml;base64,' + btoa(rawSvg);\nexport const prepRes = (item: string, sanitizer: DomSanitizer) => sanitizer.bypassSecurityTrustResourceUrl(item);\nexport const sanitizeHTML = (item: string, sanitizer: DomSanitizer) => sanitizer.sanitize(SecurityContext.HTML, item);\nexport const getSvgSafeRes = (file: string, sanitizer: DomSanitizer) => prepRes(svgToBase64src(file), sanitizer);\nexport const getPngSafeRes = (file: string, sanitizer: DomSanitizer) => prepRes(URL.createObjectURL(imgBase64ToBlob(file)), sanitizer);\nexport const blobToSafeRes = (blob: Blob, sanitizer: DomSanitizer) => prepRes(URL.createObjectURL(blob), sanitizer);\n\n/**\n *\n * @param data - option value (could be simple string or complex object to resolve)\n * @param field - the key (or complex lookup object key) of data object to resolve value by\n * @returns resolved single option value (Input for SelectItem)\n */\nexport const resolveFieldData = (data: IOption, field?: string): string | null => {\n\tif (isEmpty(data)) return null;\n\tif (isString(data)) return data;\n\tif (isSelectItem(data)) {\n\t\tif (data['label']) return data['label'];\n\t\tif (data['value']) data = data['value'];\n\t}\n\n\tif (field) {\n\t\tif (isString(field) && field.indexOf('.') === -1) {\n\t\t\treturn data[field];\n\t\t} else if (isString(field)) {\n\t\t\tconst fields: string[] = field.split('.');\n\t\t\tlet value = data;\n\t\t\tfor (let i = 0, len = fields.length; i < len; ++i) {\n\t\t\t\tif (value == null) {\n\t\t\t\t\treturn null;\n\t\t\t\t}\n\t\t\t\tvalue = value[fields[i]];\n\t\t\t}\n\t\t\treturn resolveFieldData(value);\n\t\t}\n\t} else {\n\t\treturn resolveFieldData(Object.values(data)[0] as Record<string, string>);\n\t}\n\treturn null;\n};\n\nexport const isValue = <T>(obj: T): obj is T => obj !== undefined && obj !== null;\nexport const isEmpty = <T>(obj: T): obj is T => !isValue(obj);\nexport const isString = (obj: IOption): obj is string => typeof obj === 'string';\nexport const isObject = <T extends object | string>(obj: T): obj is T => typeof obj !== 'string' && !Array.isArray(obj) && typeof obj === 'object';\nexport const isSelectItem = (obj: ISelectItem | string): obj is ISelectItem => (isObject(obj) && !!(<ISelectItem>obj).value) || !!(<ISelectItem>obj).label;\nexport const areEqual = (obj1: IOption | null, obj2: IOption | null, field?: string): boolean => {\n\tif (isEmpty(obj1) || isEmpty(obj2)) return false;\n\tif (isString(obj1) && isString(obj2)) return obj1 === obj2;\n\n\tif (field) return resolveFieldData(obj1, field) === resolveFieldData(obj2, field);\n\n\treturn JSON.stringify(obj1) === JSON.stringify(obj2);\n};\n\nexport enum OptionKeyboardEventHandleKeys {\n\tArrowDown = 'ArrowDown',\n\tDown = 'Down',\n\tArrowUp = 'ArrowUp',\n\tEnter = 'Enter',\n\tEscape = 'Escape',\n\tEsc = 'Esc',\n\tUp = 'Up',\n\tTab = 'Tab',\n\tSpace = ' ',\n}\n"]}