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move out util-methods to make MarkedString API ready, #29076

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This commit is contained in:
Johannes Rieken
2017-08-24 17:06:16 +02:00
parent 018d5a2b51
commit 0614806c12
3 changed files with 33 additions and 28 deletions
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51
src/vs/base/common/htmlContent.ts
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@@ -15,26 +15,6 @@ export interface IMarkdownString {
export class MarkdownString implements IMarkdownString {
static isEmpty(oneOrMany: IMarkdownString | IMarkdownString[]): boolean {
if (MarkdownString.isMarkdownString(oneOrMany)) {
return !oneOrMany.value;
} else if (Array.isArray(oneOrMany)) {
return oneOrMany.every(MarkdownString.isEmpty);
} else {
return false;
}
}
static isMarkdownString(thing: any): thing is IMarkdownString {
if (thing instanceof MarkdownString) {
return true;
} else if (typeof thing === 'object') {
return typeof (<IMarkdownString>thing).value === 'string'
&& (typeof (<IMarkdownString>thing).trusted === 'boolean' || (<IMarkdownString>thing).trusted === void 0);
}
return false;
}
value: string;
trusted?: true;
@@ -42,13 +22,18 @@ export class MarkdownString implements IMarkdownString {
this.value = value;
}
appendText(value: string): this {
appendText(value: string): MarkdownString {
// escape markdown syntax tokens: http://daringfireball.net/projects/markdown/syntax#backslash
this.value += value.replace(/[\\`*_{}[\]()#+\-.!]/g, '\\$&');
return this;
}
appendCodeblock(langId: string, code: string): this {
appendMarkdown(value: string): MarkdownString {
this.value += value;
return this;
}
appendCodeblock(langId: string, code: string): MarkdownString {
this.value += '\n```';
this.value += langId;
this.value += '\n';
@@ -58,6 +43,26 @@ export class MarkdownString implements IMarkdownString {
}
}
export function isEmptyMarkdownString(oneOrMany: IMarkdownString | IMarkdownString[]): boolean {
if (isMarkdownString(oneOrMany)) {
return !oneOrMany.value;
} else if (Array.isArray(oneOrMany)) {
return oneOrMany.every(isEmptyMarkdownString);
} else {
return true;
}
}
export function isMarkdownString(thing: any): thing is IMarkdownString {
if (thing instanceof MarkdownString) {
return true;
} else if (typeof thing === 'object') {
return typeof (<IMarkdownString>thing).value === 'string'
&& (typeof (<IMarkdownString>thing).trusted === 'boolean' || (<IMarkdownString>thing).trusted === void 0);
}
return false;
}
export function markedStringsEquals(a: IMarkdownString | IMarkdownString[], b: IMarkdownString | IMarkdownString[]): boolean {
if (!a && !b) {
return true;
@@ -65,7 +70,7 @@ export function markedStringsEquals(a: IMarkdownString | IMarkdownString[], b: I
return false;
} else if (Array.isArray(a) && Array.isArray(b)) {
return equals(a, b, markdownStringEqual);
} else if (MarkdownString.isMarkdownString(a) && MarkdownString.isMarkdownString(b)) {
} else if (isMarkdownString(a) && isMarkdownString(b)) {
return markdownStringEqual(a, b);
} else {
return false;