40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
import {isDevMode} from '@angular/core';
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import {BaseException} from '../src/facade/exceptions';
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import {isArray, isBlank, isString} from '../src/facade/lang';
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export function assertArrayOfStrings(identifier: string, value: any) {
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if (!isDevMode() || isBlank(value)) {
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return;
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}
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if (!isArray(value)) {
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throw new BaseException(`Expected '${identifier}' to be an array of strings.`);
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}
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for (var i = 0; i < value.length; i += 1) {
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if (!isString(value[i])) {
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throw new BaseException(`Expected '${identifier}' to be an array of strings.`);
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}
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}
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}
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const INTERPOLATION_BLACKLIST_REGEXPS = [
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/^\s*$/g, // empty
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/[<>]/g, // html tag
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/^[\{\}]$/g, // i18n expansion
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];
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export function assertInterpolationSymbols(identifier: string, value: any): void {
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if (isDevMode() && !isBlank(value) && (!isArray(value) || value.length != 2)) {
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throw new BaseException(`Expected '${identifier}' to be an array, [start, end].`);
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} else if (isDevMode() && !isBlank(value)) {
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const start = value[0] as string;
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const end = value[1] as string;
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// black list checking
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INTERPOLATION_BLACKLIST_REGEXPS.forEach(regexp => {
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if (regexp.test(start) || regexp.test(end)) {
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throw new BaseException(`['${start}', '${end}'] contains unusable interpolation symbol.`);
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}
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});
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}
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}
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