69 lines
1.3 KiB
TypeScript
69 lines
1.3 KiB
TypeScript
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const specials = [
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// Order matters for these
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"-",
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"[",
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"]",
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// Order doesn't matter for any of these
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"/",
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"{",
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"}",
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"(",
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")",
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"*",
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"+",
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"?",
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".",
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"\\",
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"^",
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"$",
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"|"
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];
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// All characters will be escaped with '\'
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// even though only some strictly require it when inside of []
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const regex = RegExp("[" + specials.join("\\") + "]", "g");
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/**
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* Escapes all required characters for safe usage inside a RegExp
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*/
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export function escapeForRegExp(str: string): string {
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return str.replace(regex, "\\$&");
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}
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/**
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* Escapes all required characters for safe HTML rendering
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*/
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export function escapeForHtml(str: string): string {
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return str
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.slice(0)
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """)
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.replace(/'/g, "'")
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.replace(/\//g, "/");
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}
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/**
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* Converts all '\' in @path to unix style '/'
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*/
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export function unifyPath(path: string): string {
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return path ? path.replace("\\", "/") : path;
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}
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/**
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* Create unique number identifier for @text
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*/
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export function hashCode(text: string): number {
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let i, chr, len;
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let hash = 0;
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for (i = 0, len = text.length; i < len; i++) {
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chr = text.charCodeAt(i);
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hash = (hash << 5) - hash + chr;
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hash |= 0; // Convert to 32bit integer
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}
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return hash;
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}
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